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.
Conçu pour les conducteurs qui exigent efficacité et conformité
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 caractéristiques auxquelles les mécaniciens font confiance
Conversion à haut rendement
S'oxyde simultanément $\text{CO}\rightarrow\text{CO}_2$, réduit $\text{NO}_x\rightarrow\text{N}_2$, et brûle $\text{HC}\rightarrow\text{H}_2\text{O}$ à $\lambda\approx1$—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 durabilité avant tout
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.
Coupe sans compromis
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. Spécifications techniques
| Paramètre | Détail |
| Nom du produit | Exhaust Pipe Catalytic Converter |
| VOUS NON. | 1601787295547 |
| Nom de marque | Catalyseur à 3 voies |
| Inlet/Outlet Diameter | 2.5 inch / 63.5mm |
| Body Shape | Oval / Flat Spun |
| Matériau du corps | High Grade 409L Stainless Steel |
| Shield Material | Acier aluminisé |
| Special Features | With Heat Shield & Pre-welded O2 Sensor Port |
| Cell Density | 400 CPSI (High Performance) |
| Norme d'émission | Euro 4 / Euro 5 / OBDII Compliant |
| Type de carburant | Essence |
| Position | Devant |
| Montage universel | No (Direct-Fit Style Engine Exhaust System) |
| Condition | 100% neuf |
| But | For retrofit / upgrade & repair |
| Marque de voiture | Model Cars |
| Origine | Shandong, Chine |
| Garantie | 1 Years Manufacturer Warranty |
3. Pourquoi cela résout de vrais problèmes
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. Systèmes d'échappement vieillissants
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. Dégradation des performances
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. Réparations coûteuses
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. Approuvé par les experts du secteur
“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.”
– Dr Elena K., Ingénieur en émissions, membre de la SAE
5. Compatibilité et applications
Parfait pour :
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. Validation de la qualité
ISO 9001 Certified Manufacturing Process – Premium automotive management standards.
OBDII & Euro V Compliant Core – Validated environmental standard filtration.
Test de fuite magnétique – 100% inspected to ensure zero gas bypass.
Inspection des soudures aux rayons X – Structural joint integrity guaranteed under high pressure.
7. Tarification et logistique
Package Type: Protective Plastic bag + Inner Carton / Secure Wooden box (Tailored to your requirement).
MOQ: 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. Assurance de la performance
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. Installation sans tracas
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. Engagement de conformité
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. Impact sur le monde réel
Case 1: High-Mileage Gasoline Sedan
Problème: Failed regional emissions test due to worn-out factory catalyst (High HC & CO readings).
Solution: Installed our 409L stainless steel front catalytic converter.
Résultat: Passed the emission re-test with margin; check engine light permanently cleared.
Case 2: Custom Exhaust Upgrade (L4 Engine)
Symptôme: Noticeable exhaust backpressure restriction and flat throttle response after high-rpm driving.
Action: Replaced clogged catalyst with 2.5″ Universal Catalytic Converter
Résultat: Recovered lost throttle response, improved exhaust tone, and stabilized sensor metrics without triggering error codes.
Detailed Technical Specifications & Flow Data Sheets
Volume Discounts and Wholesale Distributor Pricing
Global Shipping and Customized Packaging Solutions
24/7 Expert Engineering & After-Sales Support