Premium 2.5″ Universal Catalytic Converter with O2 Port – Euro V Certified | 400 CPSI High Performance | 409L Stainless Steel
This premium 2.5″ Universal Catalytic Converter delivers >95% pollutant reduction and seamless integration for modern exhaust systems.
Diseñado para conductores que exigen eficiencia y cumplimiento
This premium catalytic converter delivers advanced pollutant reduction and seamless integration for modern automotive exhaust systems. Designed for owners facing strict emission tests, aging exhaust systems, or persistent P0420 error codes—it turns compliance headaches into driving confidence.
1. Principales características en las que confían los mecánicos
Conversión de alta eficiencia
Se oxida simultáneamente $\text{CO}\rightarrow\text{CO}_2$, reduce $\text{NO}_x\rightarrow\text{N}_2$, y quemaduras $\text{HC}\rightarrow\text{H}_2\text{O}$ en $\lambda\approx1$—fully meets and exceeds Euro 4, Euro 5, and OBDII standards.
Low-Backpressure Oval Design
The high-performance 400 CPSI cell density combined with an optimized oval/flat spun body shape reduces exhaust restriction, maximizing flow capacity compared to generic restrictive units.
La durabilidad es lo primero
Built with a high-grade 409L stainless steel body and an integrated aluminized steel heat shield to withstand extreme continuous exhaust heat, protect underbody components, and prevent thermal cracking.
Ajuste sin concesiones
Features a pre-welded O2 sensor port for hassle-free oxygen sensor re-installation, specifically tailored for front position applications to ensure a reliable retrofit and upgrade.
2. Especificaciones técnicas
| Parámetro | Detalle |
| Nombre del producto | Exhaust Pipe Catalytic Converter |
| TU NO. | 1601787295547 |
| Nombre de marca | catalizador de 3 vías |
| Inlet/Outlet Diameter | 2.5 inch / 63.5mm |
| Body Shape | Oval / Flat Spun |
| Material del cuerpo | High Grade 409L Stainless Steel |
| Shield Material | Acero aluminizado |
| Special Features | With Heat Shield & Pre-welded O2 Sensor Port |
| Cell Density | 400 CPSI (High Performance) |
| Norma de emisión | Euro 4 / Euro 5 / OBDII Compliant |
| Tipo de combustible | Gasolina |
| Posición | Frente |
| Ajuste universal | No (Direct-Fit Style Engine Exhaust System) |
| Condición | 100% nuevo |
| Objetivo | For retrofit / upgrade & repair |
| Marca del coche | Model Cars |
| Origen | Shandong, China |
| Garantía | 1 Years Manufacturer Warranty |
3. ¿Por qué esto resuelve problemas reales?
1. 2.5″ Universal Catalytic Converter Resolves Emission Test Failures
Restores factory-level $\text{CO}/\text{HC}/\text{NO}_x$ conversion, helping gasoline vehicles easily pass mandatory local smog checks and strict OBDII environmental compliance tests.
2. Envejecimiento de los sistemas de escape
Prevents recurring check engine lights and P0420 codes caused by degraded or melted substrates, providing a durable structural replacement that extends exhaust system lifespan.
3. Degradación del rendimiento
The optimized 400 CPSI high-flow design eliminates internal exhaust blockages, reducing backpressure so the engine breathes smoothly, recovering original horsepower and fuel efficiency.
4. Reparaciones costosas
Equipped with a pre-welded O2 sensor port and precision-engineered 2.5-inch inlets/outlets, minimizing alignment adjustments during installation and saving valuable shop labor costs.
4. Aprobado por expertos de la industria
“This unit’s 400 CPSI high-performance substrate balances flow velocity and surface catalytic area perfectly. For workshops dealing with Euro V compliance issues, it’s a highly reliable aftermarket solution.”
– Mike R., Master Technician (ASE Certified)
“The high-grade 409L stainless steel casing and integrated aluminized shielding handle thermal stress exceptionally well. No lambda sensor errors post-installation, which shows excellent calibration.”
– Dra. Elena K., Ingeniero de emisiones, Miembro de SAE
5. Compatibilidad y aplicaciones
Perfecto para:
High-mileage gasoline automotive platforms requiring front-position catalyst replacement.
Regions enforcing strict Euro 4 / Euro V vehicle emissions inspections.
Drivers looking for a high-flow retrofit/upgrade to improve exhaust scavenging.
Fleet operators requiring durable, OBDII-compliant exhaust system overhauls.
6. Validación de calidad
ISO 9001 Certified Manufacturing Process – Premium automotive management standards.
OBDII & Euro V Compliant Core – Validated environmental standard filtration.
Prueba de fugas magnéticas – 100% inspected to ensure zero gas bypass.
Inspección de soldaduras por rayos X – Structural joint integrity guaranteed under high pressure.
7. Precios y logística
Package Type: Protective Plastic bag + Inner Carton / Secure Wooden box (Tailored to your requirement).
Cantidad mínima de pedido: 1 piece (Supports sample testing and volume distribution orders).
Lead Time / Delivery: 7–15 Days (Fast factory dispatch based on order scale).
Quality Assurance: 100% comprehensive inspection passed before packing.
Warranty Support: 1-Year manufacturer warranty with dedicated after-sales tracking.
8. The 3waycatalyst Advantage
1. Garantía de rendimiento
Highly optimized washcoat loading for steady Euro 4/5 pollutant conversion.
400 CPSI cell configuration balances maximum flow with legal emission control.
Restores factory engine efficiency and smooth acceleration characteristics.
2. Instalación sin complicaciones
Pre-welded O2 sensor port ensures plug-and-play sensor integration.
Precise 2.5″ (63.5mm) inlet/outlet matching standard automotive exhaust lines.
Zero programming required—fully compatible with stock engine control modules.
3. Compromiso de cumplimiento
Euro V and OBDII certified performance structures.
High-grade raw materials engineered for continuous high-temperature reliability.
1-Year structural and catalytic integrity guarantee.
9. Impacto en el mundo real
Case 1: High-Mileage Gasoline Sedan
Asunto: Failed regional emissions test due to worn-out factory catalyst (High HC & CO readings).
Solución: Installed our 409L stainless steel front catalytic converter.
Resultado: Passed the emission re-test with margin; check engine light permanently cleared.
Case 2: Custom Exhaust Upgrade (L4 Engine)
Síntoma: Noticeable exhaust backpressure restriction and flat throttle response after high-rpm driving.
Acción: Replaced clogged catalyst with 2.5″ Universal Catalytic Converter
Resultado: Recovered lost throttle response, improved exhaust tone, and stabilized sensor metrics without triggering error codes.
Detailed Technical Specifications & Flow Data Sheets
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