Fabspeed Audi RSQ8 Sport Competition Performance Package

Why We Choose HJS Catalytic Converters: HJS German imported catalytic converters are made from some of the highest grade materials you can find in a catalytic converter. This yields high performance gains and longevity so it wont deteriorate over time like lower grade catalytic converters. These catalytic converters flow up to 93-95% of a straight pipe in most applications. The benefit is that you get the "straight pipe sound" while still being able to provide enough emissions scrubbing to prevent a check engine light. If you'd like to learn more, watch our video about HJS catalytic converters. Our Sport Competition Performance Package will totally wake up your RSQ8 and transform both the sound and driving characteristics. XperTune Performance software upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure. Fabspeed Audi RSQ8 Sport Catalytic Converters replace the restrictive factory cats with high-