Large Bore Downpipe & Decat (Audi B9 RS4/RS5) a6c5 Dynamic = Open all the

Dynamic = Open all the time

Due to the additional strengthening on the cabriolet chassis

For best results

Sound example of the closely related BMW 335D Exhaust (Dual Exit Rear Exhaust)

Large Bore Downpipe & Decat (Audi B9 RS4/RS5) a6c5 Dynamic = Open all theMilltek Sport Large Bore Downpipes are perfect when looking to improve both performance and sound. These downpipes are fabricated with a larger diameter than standard OEM parts, meaning that there is significantly more space for more gas to exit the engine and pass through, increasing efficiency. Used with our Catalyst Bypass Pipe, you can expect significant power gain without any restriction on gas flow made by a catalyst. All our performance exhaust