aFe 48-36310 304 Stainless Steel Down-Pipe for BMW 335i L6-3.0L N55 Engine

aFe (48-36310) 304 Stainless Steel Down-Pipe for BMW 335i L6-3.0L N55 Engine: Automotive. Buy aFe (48-36310) 304 Stainless Steel Down-Pipe for BMW 335i L6-3.0L N55 Engine: Exhaust Pipes & Tips - ✓ FREE DELIVERY possible on eligible purchases. 4 inch diameter 304 stainless steel, 300 CPSI stainless steel high-flow catalytic converter, retains factory O2 sensors 。 100 percentage TIG-welded, no modification necessary 。 Hassle free installation, OE style brackets 。 OE style turbo flange, prevents check engine light 。 Manufactured and assembled in the USA 。 aFe is proud to introduce the aFe Twisted Steel Down-Pipe with a 300 CPSI high-flow catalytic converter for the - BMW F30 335i with the L6-3.0 liter (N55) engine. In testing this system resulted in a maximum gain of 10 horsepower and 16 pound x feet of torque and outflowed the restricted OE catalytic converter by up to 150 percentage. This high performance down-pipe delivers the perfect balance of pure, race-inspired performance, in-cabin driving comfort and the excitement of exhaust sound and tone during normal cruising or aggressive hard throttle. aFe also included a massive, lightweight, 4 inch diameter, 304 stainless steel tube with a 300 CPSI, high-flow catalytic converter. TIG-welded: 100 percentage TIG-welded by certified craftsmen for race proven strength and durability. TIG-welding provides the strongest welds reducing stress cracks. High-flow catalytic converter: This system uses a 49 state legal 300 cell per square inch (CPSI) stainless steel high-flow catalytic converter designed for maximum flow and performance while preventing a check engine light. Factory O2 sensor locations: Factory mounting locations for all O2 sensors. Hassle-free installation: OE style brackets are included for a hassle-free installation. This unit also comes with a lifetime warranty. aFe down pipes are engineered and manufactured in Corona, California manufacturing facility. Note: This is a 'race only' product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state and federal laws. 。。。

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aFe 48-36310 304 Stainless Steel Down-Pipe for BMW 335i L6-3.0L N55 Engine