Audi S4 4.2 V8 B7 Performance Exhaust from Milltek Sport
Milltek Sport gives the new Audi B7 S4 V8 some real soul, hear that V8 growl. Hi-Flow cats together with large-bore resonated and non-resonated systems allow you to set the sound you want . Similar power gains as recorded by our best selling B6 S4 V8 system and even more power available when combined with the HyperFlow cold air induction kit.
Tuners in Europe have reported gains of 15bhp (at the wheels) with this catback exhaust and that has been verified in the USA on a 4-Wheel Dynapack dyno along with a 20lb/ft gain in torque (at the wheels).