AWE: 2018-2020 Audi B9 S4 3.0T Quattro Touring Edition Exhaust Diamond Black 90mm Tips GS 2L while providing drone-free in-cabin

2L while providing drone-free in-cabin acoustics at cruising speeds

7L Gas 1981-1984 Buick Riviera Diesel V8 5

The 220 lb/inch linear spring rate offers plenty of support

0L Coyote BOTTLENECK ELIMINATOR System

From hot lapping the drag strip to stretching its legs on the road course

AWE: 2018-2020 Audi B9 S4 3.0T Quattro Touring Edition Exhaust Diamond Black 90mm Tips GS 2L while providing drone-free in-cabinFrom the masters of S4 performance, AWE proudly presents the B9 exhaust solution. Signature AWE tone, performance, and options for every taste and budget. The best just got better. Signature AWE howl, delivered. The Touring Edition is the sophisticated member of the B9 exhaust family. The Touring Edition Exhaust removes the factory valving and replaces it with AWE's 180 Technology drone cancelling resonators (and electronic valve simulators). This