BBK 86-04 Mustang Cat Back Kit Varitune Mufflers Stainless Steel Tips Luxury Car Upgrades Developed utilizing our extended-travel monotube

Developed utilizing our extended-travel monotube design and variable force valving

135i) E9X 3 Series BMW M and non M (E90

available in matte and glossy finishes to provide an eye-catching accompaniment to match the Evolution Line (Titanium)

or drive by wire

Exhaust system 17874 is emissions-legal and produced using CNC precision robotic manufacturing techniques that result in a direct-fit design that you can install yourself

BBK 86-04 Mustang Cat Back Kit Varitune Mufflers Stainless Steel Tips Luxury Car Upgrades Developed utilizing our extended-travel monotubeBBK Varitune cat back exhaust systems feature BBK Varitune mufflers that have a patented adjustable power valve inside that allows full adjustment of the exhaust flow through the mufflers chambers for a great sound and added performance. This adjustment is made at the rear of the muffler with a wrench by either moving the valve in or out. Once you are happy with the level of sound, it is locked in place with the Varitune locking nut. All of the