Mufflers Rp R Black Fl 17Race Pro Slip On MufflersThe Race Pros unique black clam shell mounting bracket sets it apart from other mufflers Mounts the same way as nearly every slip on muffler from Cobra Its look gets even better with a thin line tip thats held in place with seven, 12 point zinc plated bolts Come with 3 inch cores encased in proprietary Cobra sound tuning materials with specific acoustical dampening and thermal insulation properties The basso profondo notes are