Advanced 3D scanning tools and cutting-edge software provide our engineers with a high-resolution digital model of the Audi B9 S4 chassis. This data is then used to maximize the exhaust size for flow and optimize all available space for the perfect catback fitment. CORSA branded exhaust systems are backed by a Limited Lifetime warranty for as long as you own your vehicle with proof of purchase. The new exhaust sounds perfect, a marked improvement over stock. It is not too loud - I use the car as a daily driver and drive in capital beltway traffic.
Unwanted reactions result in the formation of hydrogen sulfide and ammonia, which poison catalysts. Nickel or manganese is sometimes added to the washcoat to limit hydrogen-sulfide emissions.[citation needed] Sulfur-free or low-sulfur fuels eliminate or minimize problems with hydrogen sulfide. It also boasts the ultimate in customization, including the optional 700+ horsepower Shelby GT S/C version.
From cat-back exhaust systems, emissions compliant catalytic converters, performance mufflers to custom exhaust parts, buy the automotive part your vehicle needs. In addition to boosting your horsepower, cat-back exhausts can make a massive difference to the sound of your car, especially if you choose exhaust tips designed for acoustics. Basically, catback exhaust systems upgrade regular exhausts, improving the flow of exhaust gases and the performance of your engine with wider pipes and smoother bends.
Because the success of a catback exhaust system