Milltek Downpipes Large Bore with Hi Flow Sport Cats Audi RS5 (B9) 2.9T

Improve performance and sound for your Audi RS5 (B9) with this downpipe system from Milltek which features a 3" aircraft grade stainless steel tubing that, also includes a 200 cell high flow catalytic converter. This downpipe will deliver extra performance and a greatly increased turbo response over a factory restrictive downpipe. This downpipe is designed to be used with Milltek's 3" cat-back or OE exhausts, but may also work with other brands which may require fabrication.Features:- 3" Cast T304 Stainless construction- Includes a 200 CPSI (Cell Per Square Inch) High Flow catalytic converter- Designed to be used with a Milltek 3" cat-back exhausts or OE exhaust, other cat-backs may require modification- Hi-flow sports catalysts and downpipes are covered by a 2 year or 50,000 mile warranty when used in conjunction with Milltek products.