{"id":5797,"date":"2025-10-21T20:03:31","date_gmt":"2025-10-22T04:03:31","guid":{"rendered":"https:\/\/3waycatalyst.com\/?p=5797"},"modified":"2025-10-21T20:03:33","modified_gmt":"2025-10-22T04:03:33","slug":"risks-of-replacing-a-catalytic-converter-with-a-straight-pipe-what-you-should-know","status":"publish","type":"post","link":"https:\/\/3waycatalyst.com\/vi\/risks-of-replacing-a-catalytic-converter-with-a-straight-pipe-what-you-should-know\/","title":{"rendered":"R\u1ee7i ro khi thay th\u1ebf b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1eb1ng \u1ed1ng th\u1eb3ng: Nh\u1eefng \u0111i\u1ec1u b\u1ea1n n\u00ean bi\u1ebft"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"introduction\">Gi\u1edbi thi\u1ec7u<\/h2>\n\n\n\n<p>Tr\u1ed9m c\u1eafp b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng \u0111\u1ed1i v\u1edbi ch\u1ee7 xe tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Nh\u1eefng chi\u1ebfc xe nh\u01b0 Toyota Prius \u0111\u1eb7c bi\u1ec7t b\u1ecb nh\u1eafm \u0111\u1ebfn v\u00ec b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a ch\u00fang ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i qu\u00fd cao nh\u01b0 b\u1ea1ch kim, palladium v\u00e0 rhodium. Khi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb \u0111\u00e1nh c\u1eafp, b\u1ea1n s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t v\u1ea5n \u0111\u1ec1 ngay l\u1eadp t\u1ee9c: xe c\u1ee7a b\u1ea1n tr\u1edf n\u00ean \u1ed3n \u00e0o, g\u00e2y \u00f4 nhi\u1ec5m v\u00e0 kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qua c\u00e1c b\u00e0i ki\u1ec3m tra kh\u00ed th\u1ea3i.<\/p>\n\n\n\n<p>Trong t\u00ecnh hu\u1ed1ng n\u00e0y, m\u1ed9t s\u1ed1 th\u1ee3 m\u00e1y c\u00f3 th\u1ec3 \u0111\u1ec1 xu\u1ea5t l\u1eafp \u0111\u1eb7t m\u1ed9t&nbsp;<strong>\u1ed1ng th\u1eb3ng<\/strong>&nbsp;nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p t\u1ea1m th\u1eddi \u0111\u1ec3 \u0111\u01b0a xe tr\u1edf l\u1ea1i \u0111\u01b0\u1eddng. M\u1eb7c d\u00f9 \u0111\u00e2y c\u00f3 v\u1ebb l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p nhanh ch\u00f3ng v\u00e0 ti\u1ebft ki\u1ec7m, nh\u01b0ng n\u00f3 ti\u1ec1m \u1ea9n nh\u1eefng r\u1ee7i ro \u0111\u00e1ng k\u1ec3 v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, ph\u00e1p l\u00fd v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft n\u00e0y kh\u00e1m ph\u00e1 chi ti\u1ebft nh\u1eefng g\u00ec x\u1ea3y ra khi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng \u1ed1ng th\u1eb3ng, c\u00e1ch n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9ng c\u01a1 v\u00e0 h\u1ec7 th\u1ed1ng kh\u00ed th\u1ea3i c\u1ee7a xe b\u1ea1n v\u00e0 l\u00fd do t\u1ea1i sao<a href=\"https:\/\/3waycatalyst.com\/vi\/three-way-catalytic-converter-twc\/\">&nbsp;<strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/strong>&nbsp;<\/a>v\u1eabn l\u00e0 m\u1ed9t ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a c\u00e1c lo\u1ea1i xe hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-understanding-the-role-of-a-three-way-catalytic-converter\">1. Hi\u1ec3u vai tr\u00f2 c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/h2>\n\n\n\n<p>M\u1ed8T&nbsp;<strong><a href=\"https:\/\/3waycatalyst.com\/vi\/three-way-catalytic-converter-twc\/\">b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a><\/strong>&nbsp;(TWC) l\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a h\u1ec7 th\u1ed1ng x\u1ea3 xe h\u01a1i. N\u00f3 chuy\u1ec3n \u0111\u1ed5i ba ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ch\u00ednh \u2014 carbon monoxide (CO), hydrocarbon (HC) v\u00e0 nit\u01a1 oxit (NOx) \u2014 th\u00e0nh c\u00e1c lo\u1ea1i kh\u00ed \u00edt \u0111\u1ed9c h\u1ea1i h\u01a1n nh\u01b0 carbon dioxide (CO\u2082), nit\u01a1 (N\u2082) v\u00e0 h\u01a1i n\u01b0\u1edbc (H\u2082O).<\/p>\n\n\n\n<p>Qu\u00e1 tr\u00ecnh n\u00e0y x\u1ea3y ra th\u00f4ng qua ba ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc di\u1ec5n ra \u0111\u1ed3ng th\u1eddi:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Qu\u00e1 tr\u00ecnh oxy h\u00f3a cacbon monoxit<\/strong>&nbsp;th\u00e0nh carbon dioxide.<\/li>\n\n\n\n<li><strong>S\u1ef1 oxy h\u00f3a c\u1ee7a hydrocarbon<\/strong>&nbsp;th\u00e0nh carbon dioxide v\u00e0 n\u01b0\u1edbc.<\/li>\n\n\n\n<li><strong>Gi\u1ea3m oxit nit\u01a1<\/strong>&nbsp;th\u00e0nh nit\u01a1 v\u00e0 oxy.<\/li>\n<\/ol>\n\n\n\n<p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i ch\u1ee9a m\u1ed9t&nbsp;<strong>ch\u1ea5t n\u1ec1n t\u1ed5 ong b\u1eb1ng g\u1ed1m ho\u1eb7c kim lo\u1ea1i<\/strong>&nbsp;\u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp x\u00fac t\u00e1c l\u00e0m t\u1eeb kim lo\u1ea1i qu\u00fd. Nh\u1eefng kim lo\u1ea1i n\u00e0y gi\u00fap t\u0103ng t\u1ed1c c\u00e1c ph\u1ea3n \u1ee9ng l\u00e0m s\u1ea1ch kh\u00ed th\u1ea3i tr\u01b0\u1edbc khi ch\u00fang tho\u00e1t ra kh\u1ecfi \u1ed1ng x\u1ea3.<\/p>\n\n\n\n<p>Khi m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng th\u1eb3ng thay th\u1ebf b\u1ed9 chuy\u1ec3n \u0111\u1ed5i n\u00e0y, t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea3n \u1ee9ng n\u00e0y s\u1ebd d\u1eebng l\u1ea1i \u2014 d\u1eabn \u0111\u1ebfn l\u01b0\u1ee3ng kh\u00ed th\u1ea3i cao h\u01a1n v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c bi\u1ebfn ch\u1ee9ng cho \u0111\u1ed9ng c\u01a1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"table-1-comparison-between-three-way-catalytic-converter-and-straight-pipe\">B\u1ea3ng 1. So s\u00e1nh gi\u1eefa b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u v\u00e0 \u1ed1ng th\u1eb3ng<\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>T\u00ednh n\u0103ng<\/th><th>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/th><th>\u1ed0ng th\u1eb3ng<\/th><\/tr><\/thead><tbody><tr><td>Ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i<\/td><td>Chuy\u1ec3n \u0111\u1ed5i kh\u00ed \u0111\u1ed9c h\u1ea1i<\/td><td>Kh\u00f4ng chuy\u1ec3n \u0111\u1ed5i, th\u1ea3i ra ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m<\/td><\/tr><tr><td>Hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1<\/td><td>\u0110\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho d\u00f2ng ch\u1ea3y c\u00e2n b\u1eb1ng<\/td><td>C\u00f3 th\u1ec3 l\u00e0m t\u0103ng nh\u1eb9 l\u01b0u l\u01b0\u1ee3ng kh\u00ed th\u1ea3i nh\u01b0ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3m bi\u1ebfn<\/td><\/tr><tr><td>T\u00ecnh tr\u1ea1ng ph\u00e1p l\u00fd<\/td><td>Y\u00eau c\u1ea7u theo lu\u1eadt ph\u00e1t th\u1ea3i<\/td><td>B\u1ea5t h\u1ee3p ph\u00e1p \u1edf h\u1ea7u h\u1ebft c\u00e1c khu v\u1ef1c<\/td><\/tr><tr><td>M\u1ee9c \u0111\u1ed9 \u00e2m thanh<\/td><td>V\u1eeba ph\u1ea3i<\/td><td>\u00c2m thanh x\u1ea3 th\u00f4 h\u01a1n, to h\u01a1n<\/td><\/tr><tr><td>\u0110\u00e8n ki\u1ec3m tra \u0111\u1ed9ng c\u01a1<\/td><td>Ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng<\/td><td>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t do l\u1ed7i c\u1ea3m bi\u1ebfn O\u2082<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-why-mechanics-suggest-straight-pipes\">2. T\u1ea1i sao th\u1ee3 m\u00e1y l\u1ea1i \u0111\u1ec1 xu\u1ea5t s\u1eed d\u1ee5ng \u1ed1ng th\u1eb3ng<\/h2>\n\n\n\n<p>C\u00e1c th\u1ee3 m\u00e1y th\u01b0\u1eddng g\u1ee3i \u00fd s\u1eed d\u1ee5ng \u1ed1ng th\u1eb3ng v\u00ec ch\u00fang&nbsp;<strong>r\u1ebb, nhanh v\u00e0 \u0111\u01a1n gi\u1ea3n<\/strong>&nbsp;\u0111\u1ec3 l\u1eafp \u0111\u1eb7t. C\u00f3 th\u1ec3 h\u00e0n m\u1ed9t \u1ed1ng th\u1eb3ng v\u00e0o v\u1ecb tr\u00ed t\u1eebng c\u00f3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c, kh\u00f4i ph\u1ee5c l\u1ea1i \u0111\u01b0\u1eddng d\u1eabn kh\u00ed th\u1ea3i ho\u00e0n ch\u1ec9nh \u0111\u1ec3 xe c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng t\u1ea1m th\u1eddi.<\/p>\n\n\n\n<p>T\u00f9y ch\u1ecdn n\u00e0y h\u1ea5p d\u1eabn nh\u1eefng ng\u01b0\u1eddi l\u00e1i xe:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u1ea7n v\u1eadn chuy\u1ec3n ngay l\u1eadp t\u1ee9c.<\/li>\n\n\n\n<li>Kh\u00f4ng mu\u1ed1n tr\u1ea3 h\u00e0ng ng\u00e0n \u0111\u00f4 la cho b\u1ed9 chuy\u1ec3n \u0111\u1ed5i thay th\u1ebf.<\/li>\n\n\n\n<li>S\u1ed1ng \u1edf nh\u1eefng khu v\u1ef1c kh\u00f4ng c\u00f3 quy \u0111\u1ecbnh ki\u1ec3m tra kh\u00ed th\u1ea3i nghi\u00eam ng\u1eb7t.<\/li>\n<\/ul>\n\n\n\n<p>Tuy nhi\u00ean, gi\u1ea3i ph\u00e1p &#034;t\u1ea1m th\u1eddi&#034; n\u00e0y c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i nhi\u1ec1u h\u01a1n l\u1ee3i v\u1ec1 l\u00e2u d\u00e0i. H\u1ec7 th\u1ed1ng x\u1ea3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng&nbsp;<strong>v\u1edbi<\/strong>&nbsp;b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c. Vi\u1ec7c lo\u1ea1i b\u1ecf n\u00f3 s\u1ebd thay \u0111\u1ed5i c\u00e1ch kh\u00ed th\u1ea3i ch\u1ea3y v\u00e0 c\u00e1ch c\u00e1c c\u1ea3m bi\u1ebfn giao ti\u1ebfp v\u1edbi&nbsp;<strong>m\u00f4-\u0111un \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 (ECM)<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-engine-and-sensor-reactions-to-a-missing-converter\">3. Ph\u1ea3n \u1ee9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 c\u1ea3m bi\u1ebfn khi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i b\u1ecb thi\u1ebfu<\/h2>\n\n\n\n<p>C\u00e1c lo\u1ea1i xe hi\u1ec7n \u0111\u1ea1i, bao g\u1ed3m c\u1ea3 xe hybrid nh\u01b0 Prius, \u0111\u1ec1u d\u1ef1a v\u00e0o nhi\u1ec1u&nbsp;<strong>c\u1ea3m bi\u1ebfn oxy<\/strong>&nbsp;\u0110\u01b0\u1ee3c \u0111\u1eb7t tr\u01b0\u1edbc v\u00e0 sau b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c. C\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y theo d\u00f5i n\u1ed3ng \u0111\u1ed9 oxy trong kh\u00ed th\u1ea3i v\u00e0 g\u1eedi ph\u1ea3n h\u1ed3i \u0111\u1ebfn ECM, sau \u0111\u00f3 ECM \u0111i\u1ec1u ch\u1ec9nh t\u1ef7 l\u1ec7 nhi\u00ean li\u1ec7u-kh\u00f4ng kh\u00ed \u0111\u1ec3 duy tr\u00ec hi\u1ec7u qu\u1ea3 \u0111\u1ed1t ch\u00e1y.<\/p>\n\n\n\n<p>Khi l\u1eafp \u0111\u1eb7t m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng th\u1eb3ng,&nbsp;<strong>c\u1ea3m bi\u1ebfn O\u2082 h\u1ea1 l\u01b0u<\/strong>&nbsp;ph\u00e1t hi\u1ec7n ch\u1ec9 s\u1ed1 oxy b\u1ea5t th\u01b0\u1eddng. ECM hi\u1ec3u \u0111\u00e2y l\u00e0 s\u1ef1 c\u1ed1, k\u00edch ho\u1ea1t&nbsp;<strong>\u0110\u00e8n ki\u1ec3m tra \u0111\u1ed9ng c\u01a1 (CEL)<\/strong>&nbsp;v\u00e0 l\u01b0u tr\u1eef&nbsp;<strong>m\u00e3 l\u1ed7i ch\u1ea9n \u0111o\u00e1n (DTC)<\/strong>.<\/p>\n\n\n\n<p>ECM sau \u0111\u00f3 c\u00f3 th\u1ec3 nh\u1eadp&nbsp;<strong>ch\u1ebf \u0111\u1ed9 v\u00f2ng h\u1edf<\/strong>, b\u1ecf qua ph\u1ea3n h\u1ed3i c\u1ee7a c\u1ea3m bi\u1ebfn v\u00e0 s\u1eed d\u1ee5ng c\u00e1c th\u00f4ng s\u1ed1 m\u1eb7c \u0111\u1ecbnh cho phun nhi\u00ean li\u1ec7u v\u00e0 th\u1eddi \u0111i\u1ec3m \u0111\u00e1nh l\u1eeda. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Poor fuel economy<\/li>\n\n\n\n<li>T\u0103ng ti\u1ebfng g\u00f5 \u0111\u1ed9ng c\u01a1 ho\u1eb7c \u0111\u00e1nh l\u1eeda s\u1edbm<\/li>\n\n\n\n<li>Ch\u1ea1y kh\u00f4ng t\u1ea3i th\u00f4<\/li>\n\n\n\n<li>L\u01b0\u1ee3ng kh\u00ed th\u1ea3i cao h\u01a1n<\/li>\n<\/ul>\n\n\n\n<p>V\u1ec1 c\u01a1 b\u1ea3n, b\u1ed9 n\u00e3o \u0111i\u1ec7n t\u1eed c\u1ee7a xe b\u1ea1n tr\u1edf n\u00ean b\u1ed1i r\u1ed1i v\u00ec n\u00f3 mong \u0111\u1ee3i t\u00ecm \u0111\u01b0\u1ee3c m\u1ed9t ph\u01b0\u01a1ng \u00e1n kh\u1ea3 thi&nbsp;<strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/strong>&nbsp;trong lu\u1ed3ng kh\u00ed th\u1ea3i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-legal-and-environmental-risks\">4. R\u1ee7i ro ph\u00e1p l\u00fd v\u00e0 m\u00f4i tr\u01b0\u1eddng<\/h2>\n\n\n\n<p>L\u00e1i xe m\u00e0 kh\u00f4ng c\u00f3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c l\u00e0 b\u1ea5t h\u1ee3p ph\u00e1p \u1edf h\u1ea7u h\u1ebft c\u00e1c ti\u1ec3u bang c\u1ee7a Hoa K\u1ef3 v\u00e0 nhi\u1ec1u qu\u1ed1c gia kh\u00e1c. Lu\u1eadt li\u00ean bang theo&nbsp;<strong>\u0110\u1ea1o lu\u1eadt Kh\u00f4ng kh\u00ed S\u1ea1ch<\/strong>&nbsp;c\u1ea5m can thi\u1ec7p ho\u1eb7c th\u00e1o d\u1ee1 c\u00e1c thi\u1ebft b\u1ecb ki\u1ec3m so\u00e1t kh\u00ed th\u1ea3i.<\/p>\n\n\n\n<p>N\u1ebfu thanh tra, th\u1ee3 m\u00e1y ho\u1eb7c c\u1ea3nh s\u00e1t nh\u1eadn th\u1ea5y b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a b\u1ea1n \u0111\u00e3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng \u1ed1ng th\u1eb3ng, b\u1ea1n c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u1ec1n ph\u1ea1t ho\u1eb7c h\u00ecnh ph\u1ea1t t\u1eeb&nbsp;<strong>500 \u0111\u1ebfn 2.500 \u0111\u00f4 la cho m\u1ed7i v\u1ee5 vi\u1ec7c<\/strong>.<\/li>\n\n\n\n<li>L\u1ed7i \u0111\u0103ng k\u00fd xe trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra kh\u00ed th\u1ea3i.<\/li>\n\n\n\n<li>T\u1eeb ch\u1ed1i y\u00eau c\u1ea7u b\u1ed3i th\u01b0\u1eddng b\u1ea3o hi\u1ec3m trong tr\u01b0\u1eddng h\u1ee3p tai n\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<p>\u1ede c\u00e1c ti\u1ec3u bang nh\u01b0&nbsp;<strong>California<\/strong>&nbsp;V\u00e0&nbsp;<strong>New York<\/strong>, \u1ede \u0111\u00e2u&nbsp;<strong>CARB (Ban T\u00e0i nguy\u00ean Kh\u00f4ng kh\u00ed California)<\/strong>&nbsp;ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng, vi\u1ec7c th\u1ef1c thi th\u1eadm ch\u00ed c\u00f2n nghi\u00eam ng\u1eb7t h\u01a1n. Xe ph\u1ea3i v\u01b0\u1ee3t qua c\u1ea3 hai&nbsp;<strong>th\u1ecb gi\u00e1c<\/strong>&nbsp;V\u00e0&nbsp;<strong>\u1ed1ng x\u1ea3<\/strong>&nbsp;ki\u1ec3m tra. M\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng th\u1eb3ng s\u1ebd kh\u00f4ng \u0111\u1ea1t c\u1ea3 hai ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"table-2-penalties-for-catalytic-converter-removal-by-region\">B\u1ea3ng 2. H\u00ecnh ph\u1ea1t cho vi\u1ec7c th\u00e1o b\u1ecf b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c theo khu v\u1ef1c<\/h3>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th>V\u00f9ng \u0111\u1ea5t<\/th><th>C\u01a1 quan th\u1ef1c thi<\/th><th>C\u00f3 th\u1ec3 ph\u1ea1t ti\u1ec1n<\/th><th>Y\u00eau c\u1ea7u ki\u1ec3m tra kh\u00ed th\u1ea3i<\/th><\/tr><\/thead><tbody><tr><td>California<\/td><td>CARB<\/td><td>L\u00ean \u0111\u1ebfn 2.500 \u0111\u00f4 la<\/td><td>H\u00ecnh \u1ea3nh + \u1ed0ng x\u1ea3<\/td><\/tr><tr><td>Texas<\/td><td>DMV ti\u1ec3u bang<\/td><td>$1,000<\/td><td>Ch\u1ec9 c\u00f3 \u1ed1ng x\u1ea3<\/td><\/tr><tr><td>Florida<\/td><td>C\u01a1 quan B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng Hoa K\u1ef3 (EPA)<\/td><td>$500<\/td><td>Kh\u00f4ng c\u00f3 th\u1eed nghi\u1ec7m th\u01b0\u1eddng xuy\u00ean<\/td><\/tr><tr><td>New York<\/td><td>CARB<\/td><td>L\u00ean \u0111\u1ebfn 2.000 \u0111\u00f4 la<\/td><td>C\u1ea3 hai \u0111\u1ec1u c\u1ea7n thi\u1ebft<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ngay c\u1ea3 khi khu v\u1ef1c c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f3 th\u1eed nghi\u1ec7m b\u1eaft bu\u1ed9c, vi\u1ec7c l\u00e1i xe m\u00e0 kh\u00f4ng c\u00f3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i v\u1eabn g\u00f3p ph\u1ea7n g\u00e2y \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng, th\u1ea3i ra CO, HC v\u00e0 NOx ch\u01b0a \u0111\u01b0\u1ee3c l\u1ecdc \u2014 t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 h\u1ea1i cho s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-technical-consequences-of-straight-piping-a-prius\">5. H\u1eadu qu\u1ea3 k\u1ef9 thu\u1eadt c\u1ee7a vi\u1ec7c l\u1eafp \u1ed1ng th\u1eb3ng v\u00e0o Prius<\/h2>\n\n\n\n<p>M\u1ed9t chi\u1ebfc Prius ho\u1eb7c c\u00e1c lo\u1ea1i xe hybrid kh\u00e1c ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o \u0111\u1ed9 ch\u00ednh x\u00e1c&nbsp;<strong>qu\u1ea3n l\u00fd \u0111\u1ed9ng c\u01a1<\/strong>&nbsp;\u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i m\u01b0\u1ee3t m\u00e0 gi\u1eefa ch\u1ebf \u0111\u1ed9 \u0111i\u1ec7n v\u00e0 ch\u1ebf \u0111\u1ed9 x\u0103ng. Vi\u1ec7c th\u00e1o b\u1ed9 chuy\u1ec3n \u0111\u1ed5i s\u1ebd ph\u00e1 v\u1ee1 s\u1ef1 c\u00e2n b\u1eb1ng n\u00e0y.<\/p>\n\n\n\n<p>Khi b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb thi\u1ebfu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c&nbsp;<strong>t\u1ef7 l\u1ec7 kh\u00f4ng kh\u00ed-nhi\u00ean li\u1ec7u<\/strong>&nbsp;tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/li>\n\n\n\n<li>C\u00e1c&nbsp;<strong>h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n lai<\/strong>&nbsp;\u0111\u1ea5u tranh \u0111\u1ec3 duy tr\u00ec hi\u1ec7u qu\u1ea3.<\/li>\n\n\n\n<li>C\u00e1c&nbsp;<strong>h\u1ed7 tr\u1ee3 pin<\/strong>&nbsp;c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng k\u00e9m hi\u1ec7u qu\u1ea3 h\u01a1n v\u00ec chu tr\u00ecnh \u0111\u1ed9ng c\u01a1 tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/li>\n\n\n\n<li>S\u1ef1 hao m\u00f2n l\u00e2u d\u00e0i \u1edf \u1ed1ng x\u1ea3 v\u00e0 c\u1ea3m bi\u1ebfn oxy s\u1ebd t\u0103ng l\u00ean.<\/li>\n<\/ul>\n\n\n\n<p>T\u00f3m l\u1ea1i, m\u1eb7c d\u00f9 xe v\u1eabn c\u00f3 th\u1ec3 &#034;ch\u1ea1y&#034;, nh\u01b0ng h\u01b0 h\u1ecfng s\u1ebd t\u00edch t\u1ee5 theo th\u1eddi gian. Hi\u1ec7u su\u1ea5t c\u00f3 th\u1ec3 \u1ed5n l\u00fac \u0111\u1ea7u, nh\u01b0ng v\u1ec1 l\u00e2u d\u00e0i, hi\u1ec7u su\u1ea5t, l\u01b0\u1ee3ng kh\u00ed th\u1ea3i v\u00e0 \u0111\u1ed9 tin c\u1eady s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-why-thieves-target-catalytic-converters\">6. T\u1ea1i sao k\u1ebb tr\u1ed9m nh\u1eafm v\u00e0o b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/h2>\n\n\n\n<p>Vi\u1ec7c tr\u1ed9m b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi&nbsp;<strong>gi\u00e1 tr\u1ecb c\u1ee7a kim lo\u1ea1i qu\u00fd<\/strong>. Gi\u00e1 b\u1ea1ch kim, pala\u0111i v\u00e0 rhodium \u0111\u00e3 t\u0103ng v\u1ecdt do ngu\u1ed3n cung to\u00e0n c\u1ea7u h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n<p>M\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i duy nh\u1ea5t c\u00f3 th\u1ec3 ch\u1ee9a kim lo\u1ea1i c\u00f3 gi\u00e1 tr\u1ecb&nbsp;<strong>100 \u0111\u1ebfn 500 \u0111\u00f4 la<\/strong>, trong khi vi\u1ec7c thay th\u1ebf OEM m\u1edbi c\u00f3 th\u1ec3 t\u1ed1n k\u00e9m&nbsp;<strong>1.000 \u0111\u1ebfn 3.000 \u0111\u00f4 la<\/strong>. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i Prius, n\u00f3i ri\u00eang, c\u00f3 m\u1ed9t s\u1ed1&nbsp;<strong>h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i cao nh\u1ea5t<\/strong>, khi\u1ebfn h\u1ecd tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau ch\u00ednh.<\/p>\n\n\n\n<p>\u0110i\u1ec1u th\u00fa v\u1ecb l\u00e0 \u1edf m\u1ed9t s\u1ed1 qu\u1ed1c gia, b\u1ee5i \u0111\u01b0\u1eddng hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c thu th\u1eadp \u0111\u1ec3 chi\u1ebft xu\u1ea5t m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf c\u00e1c kim lo\u1ea1i n\u00e0y \u2014 th\u1ef1c s\u1ef1 bi\u1ebfn \u0111\u01b0\u1eddng ph\u1ed1 th\u00e0nh \u201cm\u1ecf \u0111\u00f4 th\u1ecb\u201d.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/3waycatalyst.com\/vi\/why-catalytic-converters-are-being-stolen-how-u-can-prevent-it\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"635\" src=\"https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Why-Catalytic-Converters-Are-Stolen-How-to-Prevent-It.jpg\" alt=\"T\u1ea1i sao b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb \u0111\u00e1nh c\u1eafp v\u00e0 c\u00e1ch ng\u0103n ch\u1eb7n\" class=\"wp-image-3320\" title=\"\" srcset=\"https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Why-Catalytic-Converters-Are-Stolen-How-to-Prevent-It.jpg 1024w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Why-Catalytic-Converters-Are-Stolen-How-to-Prevent-It-300x186.jpg 300w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Why-Catalytic-Converters-Are-Stolen-How-to-Prevent-It-768x476.jpg 768w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Why-Catalytic-Converters-Are-Stolen-How-to-Prevent-It-18x12.jpg 18w, https:\/\/3waycatalyst.com\/wp-content\/uploads\/2025\/07\/Why-Catalytic-Converters-Are-Stolen-How-to-Prevent-It-600x372.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/3waycatalyst.com\/vi\/why-catalytic-converters-are-being-stolen-how-u-can-prevent-it\/\">T\u1ea1i sao b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1ecb \u0111\u00e1nh c\u1eafp v\u00e0 c\u00e1ch ng\u0103n ch\u1eb7n<\/a><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"7-alternatives-to-straight-pipes\">7. C\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf cho \u1ed1ng th\u1eb3ng<\/h2>\n\n\n\n<p>N\u1ebfu b\u1ea1n kh\u00f4ng \u0111\u1ee7 kh\u1ea3 n\u0103ng chi tr\u1ea3 cho vi\u1ec7c thay th\u1ebf to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m OEM, h\u00e3y c\u00e2n nh\u1eafc nh\u1eefng l\u1ef1a ch\u1ecdn h\u1ee3p ph\u00e1p v\u00e0 an to\u00e0n h\u01a1n sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"a-federal-compliant-aftermarket-catalytic-converters\">A. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c h\u1eadu m\u00e3i tu\u00e2n th\u1ee7 li\u00ean bang<\/h3>\n\n\n\n<p>Nh\u1eefng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i n\u00e0y \u0111\u00e1p \u1ee9ng&nbsp;<strong>Ti\u00eau chu\u1ea9n EPA<\/strong>&nbsp;nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c CARB ch\u1ee9ng nh\u1eadn. Ch\u00fang r\u1ebb h\u01a1n v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t h\u1ee3p ph\u00e1p \u1edf h\u1ea7u h\u1ebft c\u00e1c ti\u1ec3u bang ngo\u00e0i California v\u00e0 New York.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"b-used-oem-converters\">B. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i OEM \u0111\u00e3 qua s\u1eed d\u1ee5ng<\/h3>\n\n\n\n<p>M\u1ed9t s\u1ed1 c\u1eeda h\u00e0ng t\u00e1i ch\u1ebf \u00f4 t\u00f4 b\u00e1n b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111\u00e3 qua s\u1eed d\u1ee5ng nh\u01b0ng v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. H\u00e3y \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 x\u00e1c minh tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"c-catalytic-converter-shields\">C. T\u1ea5m ch\u1eafn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c<\/h3>\n\n\n\n<p>Vi\u1ec7c l\u1eafp \u0111\u1eb7t t\u1ea5m ch\u1eafn ho\u1eb7c l\u1ed3ng b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ng\u1eeba tr\u1ed9m c\u1eafp trong t\u01b0\u01a1ng lai. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y che ph\u1ee7 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i v\u00e0 khi\u1ebfn vi\u1ec7c c\u1eaft ho\u1eb7c th\u00e1o l\u1eafp tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"d-insurance-and-theft-prevention\">D. B\u1ea3o hi\u1ec3m v\u00e0 Ph\u00f2ng ch\u1ed1ng Tr\u1ed9m c\u1eafp<\/h3>\n\n\n\n<p>B\u1ea3o hi\u1ec3m xe h\u01a1i to\u00e0n di\u1ec7n th\u01b0\u1eddng bao g\u1ed3m c\u1ea3 tr\u01b0\u1eddng h\u1ee3p m\u1ea5t c\u1eafp b\u1ed9 chuy\u1ec3n \u0111\u1ed5i. L\u1eafp \u0111\u1eb7t camera an ninh ho\u1eb7c \u0111\u1ed7 xe \u1edf nh\u1eefng n\u01a1i c\u00f3 \u0111\u1ee7 \u00e1nh s\u00e1ng c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro h\u01a1n n\u1eefa.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"8-the-science-behind-exhaust-flow-and-back-pressure-\">8. Khoa h\u1ecdc \u0111\u1eb1ng sau d\u00f2ng ch\u1ea3y kh\u00ed th\u1ea3i v\u00e0 \u201c\u00c1p su\u1ea5t ng\u01b0\u1ee3c\u201d<\/h2>\n\n\n\n<p>C\u00e1c th\u1ee3 m\u00e1y \u0111\u00f4i khi \u0111\u1ec1 c\u1eadp \u0111\u1ebfn &#034;\u00e1p su\u1ea5t ng\u01b0\u1ee3c&#034; khi th\u1ea3o lu\u1eadn v\u1ec1 \u1ed1ng th\u1eb3ng. \u00c1p su\u1ea5t ng\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u0111\u1ebfn l\u1ef1c c\u1ea3n m\u00e0 kh\u00ed th\u1ea3i g\u1eb7p ph\u1ea3i khi ch\u00fang tho\u00e1t ra kh\u1ecfi \u0111\u1ed9ng c\u01a1.<\/p>\n\n\n\n<p>\u00c1p su\u1ea5t ng\u01b0\u1ee3c qu\u00e1 cao l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1, nh\u01b0ng qu\u00e1 th\u1ea5p c\u0169ng c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c gi\u00fap duy tr\u00ec s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh l\u01b0u l\u01b0\u1ee3ng kh\u00ed th\u1ea3i. Vi\u1ec7c lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n b\u1ed9 ph\u1eadn n\u00e0y b\u1eb1ng m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng th\u1eb3ng c\u00f3 th\u1ec3 g\u00e2y ra&nbsp;<strong>v\u1ea5n \u0111\u1ec1 d\u1ecdn d\u1eb9p<\/strong>, trong \u0111\u00f3 c\u00e1c xung x\u1ea3 l\u00e0m gi\u00e1n \u0111o\u1ea1n qu\u00e1 tr\u00ecnh lo\u1ea1i b\u1ecf kh\u00ed ra kh\u1ecfi xi lanh m\u1ed9t c\u00e1ch tr\u01a1n tru.<\/p>\n\n\n\n<p>K\u1ebft qu\u1ea3 l\u00e0 g\u00ec? M\u1ea5t m\u00f4-men xo\u1eafn \u1edf v\u00f2ng tua th\u1ea5p, kh\u1ea3 n\u0103ng t\u0103ng t\u1ed1c kh\u00f4ng \u0111\u1ec1u v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 nhi\u00ean li\u1ec7u c\u00f3 th\u1ec3 cao h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"9-ethical-and-environmental-responsibility\">9. Tr\u00e1ch nhi\u1ec7m \u0111\u1ea1o \u0111\u1ee9c v\u00e0 m\u00f4i tr\u01b0\u1eddng<\/h2>\n\n\n\n<p>M\u1eb7c d\u00f9 c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c r\u1eb1ng ch\u1ee7 xe mu\u1ed1n c\u00f3 m\u1ed9t gi\u1ea3i ph\u00e1p nhanh ch\u00f3ng, ti\u1ebft ki\u1ec7m sau khi b\u1ecb tr\u1ed9m, nh\u01b0ng vi\u1ec7c l\u00e1i xe m\u00e0 kh\u00f4ng c\u00f3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c s\u1ebd g\u00e2y ra h\u1eadu qu\u1ea3 v\u1ec1 m\u00f4i tr\u01b0\u1eddng. M\u1ed9t chi\u1ebfc xe kh\u00f4ng c\u00f3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c c\u00f3 th\u1ec3 th\u1ea3i ra&nbsp;<strong>ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m nhi\u1ec1u h\u01a1n g\u1ea5p m\u01b0\u1eddi l\u1ea7n<\/strong>&nbsp;h\u01a1n l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb c\u00f3 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<p>M\u1eb7c d\u00f9 c\u00e1c ngu\u1ed3n c\u00f4ng nghi\u1ec7p t\u1ea1o ra l\u01b0\u1ee3ng kh\u00ed th\u1ea3i l\u1edbn h\u01a1n nhi\u1ec1u tr\u00ean to\u00e0n c\u1ea7u, tr\u00e1ch nhi\u1ec7m c\u00e1 nh\u00e2n v\u1eabn quan tr\u1ecdng. Vi\u1ec7c thay th\u1ebf ho\u1eb7c s\u1eeda ch\u1eefa b\u1ed9 chuy\u1ec3n \u0111\u1ed5i gi\u00fap duy tr\u00ec kh\u00f4ng kh\u00ed s\u1ea1ch h\u01a1n, b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng v\u00e0 h\u1ed7 tr\u1ee3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e1i xe b\u1ec1n v\u1eefng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"10-conclusion\">10. K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>Vi\u1ec7c thay th\u1ebf b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1eb1ng m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng th\u1eb3ng c\u00f3 v\u1ebb nh\u01b0 l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p t\u1ea1m th\u1eddi h\u1ee3p l\u00fd, nh\u01b0ng n\u00f3 mang l\u1ea1i&nbsp;<strong>c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt, ph\u00e1p l\u00fd v\u00e0 \u0111\u1ea1o \u0111\u1ee9c<\/strong>.<\/p>\n\n\n\n<p>Kh\u00f4ng c\u00f3 m\u1ed9t&nbsp;<strong><a href=\"https:\/\/3waycatalyst.com\/vi\/three-way-catalytic-converter-twc\/\">b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c ba chi\u1ec1u<\/a><\/strong>, xe c\u1ee7a b\u1ea1n s\u1ebd th\u1ea3i ra nhi\u1ec1u kh\u00ed th\u1ea3i h\u01a1n, hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1 kh\u00f4ng \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 nguy c\u01a1 kh\u00f4ng v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh ho\u1eb7c b\u1ecb ph\u1ea1t.<\/p>\n\n\n\n<p>M\u1eb7c d\u00f9 vi\u1ec7c ti\u1ebft ki\u1ec7m chi ph\u00ed ngay l\u1eadp t\u1ee9c c\u00f3 th\u1ec3 r\u1ea5t h\u1ea5p d\u1eabn, nh\u01b0ng vi\u1ec7c thay th\u1ebf \u0111\u00fang c\u00e1ch \u2014 th\u1eadm ch\u00ed l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn \u2014 s\u1ebd \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7, b\u1ea3o v\u1ec7 \u0111\u1ed9ng c\u01a1 xe c\u1ee7a b\u1ea1n v\u00e0 g\u00f3p ph\u1ea7n t\u1ea1o ra kh\u00f4ng kh\u00ed trong l\u00e0nh h\u01a1n cho m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n\n<p>T\u00f3m l\u1ea1i, n\u1ebfu b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a b\u1ea1n b\u1ecb \u0111\u00e1nh c\u1eafp, h\u00e3y tr\u00e1nh xa vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng \u1ed1ng th\u1eb3ng. Thay v\u00e0o \u0111\u00f3, h\u00e3y t\u00ecm hi\u1ec3u c\u00e1c gi\u1ea3i ph\u00e1p h\u1ee3p ph\u00e1p v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 gi\u1eef cho xe c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c thay th\u1ebf b\u1ed9 chuy\u1ec3n \u0111\u1ed5i x\u00fac t\u00e1c b\u1eb1ng \u1ed1ng th\u1eb3ng s\u1ebd l\u00e0m t\u0103ng l\u01b0\u1ee3ng kh\u00ed th\u1ea3i, nguy c\u01a1 b\u1ecb ph\u1ea1t v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1. T\u00ecm hi\u1ec3u l\u00fd do t\u1ea1i sao vi\u1ec7c s\u1eeda ch\u1eefa \u0111\u00fang c\u00e1ch l\u1ea1i quan tr\u1ecdng.<\/p>","protected":false},"author":1,"featured_media":5799,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgdPcCw:productID":"","footnotes":""},"categories":[98],"tags":[452,1397,1396,1399,1398,99],"class_list":["post-5797","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guide","tag-catalytic-converter-replacement","tag-emissions-system","tag-exhaust-modification","tag-prius-catalytic-converter","tag-straight-pipe-risks","tag-three-way-catalytic-converter-2"],"_links":{"self":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/5797","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/comments?post=5797"}],"version-history":[{"count":0,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/posts\/5797\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media\/5799"}],"wp:attachment":[{"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/media?parent=5797"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/categories?post=5797"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/3waycatalyst.com\/vi\/wp-json\/wp\/v2\/tags?post=5797"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}