AWE: 2014-15 Audi R8 4.2L - Straight Pipe Exhaust Interceptor 5L is small enough for

5L is small enough for stock engines

Constructed from 2-1/4" mandrel-bent

88-91 Civic / CRX K-series swap

added strength to the entire front unibody and suspension

- 200 lb/inch dual-rate spring

AWE: 2014-15 Audi R8 4.2L - Straight Pipe Exhaust Interceptor 5L is small enough forDo you find even our R8 4. 2L V8 SwitchPath Exhaust too docile? Maybe you need to meet the AWE Tuning R8 4. 2L Straight Pipe Exhaust. This system unlocks the same impressive power gains of 25 hp and 28 ft lbs of torque as our SwitchPath Exhaust, but sheds even more weight over the stock exhaust system, for a total weight loss of 55 pounds because lighter is faster. Be warned, though. The sound from the straight pipes is not for the faint of heart,