IE Downpipe A4 A5 Q5 B8/B8.5

INTEGRATED ENGINEERING. A4 A5 Q5 B8/B8.5 2.0T 3" Catted Downpipe. Add power and sound to your Audi 2.0T B8 A4, A5, or Q5 with an IE high-flow downpipe system! The mandrel bent and TIG welded 304 stainless construction provide an exact fit while freeing up exhaust flow for a motorsport exhaust growl every time you accelerate.