COBRA Dual Cut Muffler for FLSB - Black 6521B Replacement Insert High-flow air filter element ensures

High-flow air filter element ensures the best air intake and maximum protection for your engine

5" kick up at the rear to help secure items Uses Cobra's proprietary release mechanism

backfiring on deceleration

bulging from between the heat shields gives a clue to the real power potential it offers Includes 18mm bungs up near the heads

trek bikes

COBRA Dual Cut Muffler for FLSB - Black 6521B Replacement Insert High-flow air filter element ensuresA bit louder than Cobra's standard offerings It produces that deep rumble you expect, but with a more emphatic level It has the same sound as the original Neighbor Hater, but in a more sophisticated design Its machined, dual cut tip gives this muffler a high class look to match its roar