4" Slip-on Muffler

• Features advanced acoustical tuning technologies for deep rumbling sounds
• 4" round muffler front expands to 4.5" diameter near the rear
• Comes with a 3" 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

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