Dynamometer tested for superior performance (5 to 10% increase) Deep meaty rumble without being overly loud Honda and Kawasaki have slip fit 4 in diameter muffler canister with interchangeable tips Honda and Kawasaki come with 2 in removable core - optional Quiet & Performance cores available Yamaha Roadstar 1600 and V-star 1100 come with 1-3/4 in louvered core for optimum sound and tuning qualities.

Cores are not removable Includes detailed instructions, mounting hardware and gaskets This product can be used with Yamaha 1600Roadstar 99-05 Yamaha 1700Roadstar 99-05