It is important to note, however, that going too large may cause a dip in performance when gases pile up and exit the system slower resulting in torque, rpm, and horsepower loss. After the emissions are channeled out from the cylinders by the exhaust manifold, they are deposited into different catalytic converters. The IE Catback Exhaust System for your Audi B9/B9.5 S4 incorporates our in-house engineered DroneTrap technology to deliver a truly aggressive exhaust note without any annoying drone or rasp. Engineered with cutting-edge design features, including mandrel-bent stainless steel, TIG welding, multi-point reinforcements, and oversized quad tips. A catback exhaust system is a type of aftermarket exhaust system that replaces the muffler and tailpipe of a vehicle. It is called a “catback” system because it starts at the catalytic converter, which is located in the middle of the…

The remaining waves produce the deepened and enriched exhaust acoustics you love. Stillen offers a variety of exhaust systems for many vehicles, both foreign and domestic. The muffler is a glass filled, large chamber design that provides the optimal amount of exhaust velocity for the engine while producing a great low rumble sound - without any annoying buzzing, “racer” sound. The high clearance fitment dramatically reduces the risk of getting hung-up on obstacles when off-roading. We’ve been helping customers with performance upgrades since 2006, and have a staff full of people who can help answer your questions. Our customer service — from our low prices to our fast shipping — has earned us a reputation with a legion of fans.

Fine-tune your ride for the best performance and aesthetic today. Steeda offers the largest complete line of Ford-based parts and accessories for your build and is considered the largest privately owned Ford performance-based operation in the world. If you’ve been searching for the perfect place to purchase Ford automotive performance parts for your vehicle, then you’re at the right place!

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