For S5 owners looking to fine tune the sound of their 4.2L even more, AWE offers Non-Resonated Downpipes featuring unfiltered, larger diameter tubing in order to produce a more aggressive...

AWE offers Resonated and Non-Resonated Downpipes. The Resonated Downpipes, which you're lookin' at, feature resonators larger than the stock units in order to produce a mellow sound volume. AWE strongly...

Invidia 15-21 Subaru WRX w/ Manual Transmission J-Pipe With Bottom High Flow Cat Down Pipe

HKS RACE PART solely for use on purpose-built race cars, never to be used on a motor vehicle

BD Diesel Performance is unique among its peers in that it designs, manufactures and distributes a wide range of products specifically engineered for performance diesel applications. Located in Abbotsford, British...

AMS Performance VR30DDTT Street Lower Downpipes w/GESI Catalytic Converter

AMS Performance 17-20 Ford Raptor 3.5L Ecoboost Street Downpipes

Power comes in earlier and turbo spool-up is significantly improved. The long gradual transitions within the mandrel bent pipe section allows exhaust gasses to maintain velocity without a buildup of...