COBRA Dual Cut Muffler for FLSB - Chrome 6521 Pop-Up Gas Cap — Non-Vented Designed to improve performance and

Designed to improve performance and power where the Ti-5 showed weak points

Fitment: Aprilia 09-17 RSV4 (all variants)

Installation is a snap

This black R1 is used when installing aftermarket sport bike clip on handlebars on your Yamaha R1

Stock DB at Idle 77db

COBRA Dual Cut Muffler for FLSB - Chrome 6521 Pop-Up Gas Cap — Non-Vented Designed to improve performance andA 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