Europa Parts is proud to introduce the state-of-the-art performance exhaust system that delivers power and sound that is second to none. An aggressive, yet drone free tone will give your Audi S4 B6 4.2L V8 a sporty sound which is sure to turn heads when you press the pedal to the metal. Real world tests such as extensive test driving and sound testing are just some of the attention to detail that went into the overall build of this exhaust system. This is a plug-and-play system which does not involve any modification and fitment is guaranteed.