Catback exhaust systems are popular among car enthusiasts because they can improve the sound and performance of a vehicle. From classic American muscle cars to the newest off-road capable rigs, STILLEN has you covered. Browse our most popular performance car, truck and SUV exhaust systems to find the ultimate exhaust experience for your vehicle. If you’re looking to enhance the performance of your car, you may have heard the term "cat back exhaust" being thrown around and wondered what is a catback exhaust exactly.
Our exhaust system uses larger piping compared to the factory exhaust system, yet weights 5 lbs. The factory system uses 2.56" piping, which reduces to 2.36" before splitting, greatly diminishing the overall diameter of the system. Finally, our system’s 4" exhaust tips dwarf the factory 3.15" tips, giving the rear of the vehicle a sportier look. Beautifully hand-crafted T304-stainless-steel components adorn the system with stunning TIG-welding throughout.
The DroneTrap system is wrapped up in our stamped multi-wall resonator that reinforces the housing inside and out. This high level of manufacturing protects the resonator from warping or splitting at the welds under exhaust movement. Prices stated here are only for sales within the continental United States and ordered via the ROUSHperformance.com web site. Prices for other territories and countries may vary due to shipping fees, duties, and other factors.
To maintain catalyst efficiency, the air–fuel ratio must stay close to stoichiometric and not remain rich or lean for too long. All of Milltek's performance exhaust systems are manufactured from T304L stainless-steel