Downpipe with a sports catalyst from HJS dedicated to Audi S4/S5 B9 3.0 TFSI Euro 6.
This product is made of stainless steel and is perfectly fitted to your vehicle.
By installing this downpipe, you can observe a noticeable increase in performance and improved throttle response.
The crucial importance of this product also lies in reducing exhaust gas temperatures and relieving the turbocharger.
