FMF Powercore 2.1 Muffler Aluminum 025278

Built to provide excellent power for todays tracks geared toward 4-stroke machines, Smooth power curve throughout the RPM range, Large diameter canister for more tenability and longer lasting packing life, Delivers a crisp, notable sound, Optimally designed to complement performance of FMF pipes; can be used with stock header pipe or FMF header pipes