4in. Slip-on Muffler

Features advanced acoustical tuning technologies for deep rumbling sounds

4in. round muffler front expands to 4.5 diameter near the rear

Comes with a 3in. core encased in proprietary Cobra sound-tuning materials with specific acoustical dampening and thermal insulation properties; deep bass notes are made possible because of class-leading resonance absorption and prevention

Satin black muffler includes a custom heat shield to smooth transition from stock headpipes to Cobra muffler

Matte titanium finish on aluminum tip matches stock heat shields

Tip features seven, 12-point bolts that provide the dished tip a distinctive, almost aircraft quality look