AFE Twisted Steel 3-inch downpipe for 2009–2016 Audi A4 and A5 (B8 platform), compatible with 2.0L TFSI turbocharged engines — constructed from durable 304 stainless steel and includes a high-flow catalytic converter.

Description

This system produced gains of up to +14 HP and +6 lbs. x Ft. TQ., as measured on our in-house dyno. This system is constructed of 3″ mandrel-bent 304 stainless steel tubing for maximum strength and durability. Includes a single high flow catalytic converter which is less restrictive than the factory converter providing maximum flow. Factory style laser cut stainless steel flanges are used used for a secure leak-free seal. This down pipe includes a 3rd O2 bung and plug for either a wide-band O2 gauge or auxiliary instrumentation. Utilizing a factory style hanger and flanges this system is designed to fit in the stock locations with no cutting or modifications required for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, this false is designed for custom, high tolerance factory fitment. 100% TIG-Welded for race-proven strength and durability.
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