FMF Powercore 2.1 Muffler - Aluminum 025191 1821-1747 Cylinder Set Louvered core for maximum performance

Louvered core for maximum performance and an aggressive tone

Mount to turn signals with internal threads

1" Clamp fits 7/8" and 1" diameter handlebars

Exceed OEM specifications for plug service life

4A and emits a loud 110DB

FMF Powercore 2.1 Muffler - Aluminum 025191 1821-1747 Cylinder Set Louvered core for maximum performanceBuilt 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