Magnaflow · New
MagnaFlow 02-06 Nisssan Altima/Sentra V4 2.5L Manifold Direct Fit Catalytic Converter
MPN 50805 · Store SKU mag50805
Supplier stock checked 11/7/2026, 10:14:23 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50805. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2002-2006 Nissan Altima and 2002-2006 Nissan Sentra, this direct-fit catalytic converter also interchanges with OE parts 14002-8J008 and 14002-9J305, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems. Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 50805. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 50805 includes (1) Flange Gasket, (1) Donut Gasket, (1) O2 Port Plug, (1) Bolt, (5) Nuts and interchanges with OE parts 14002-8J002, 14002-8J006, 14002-8J007, 14002-8J008, 14002-9J305, 14002-9J30B, 14002-9J310, 14002-9J310R. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems. Magnaflow HM Grade Manifold Catalytic Converter HM Grade Manifold Catalytic Converter
Manufacturer fitment & guides
Check 50805 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
