FMF Powercore 2.1 Muffler - Aluminum 025278 1821-2008 Sv 650 - S 1999/2002 Hidden breathers are O-ringed at

Hidden breathers are O-ringed at the heads and exit out the mouth of the injector/carb to provide efficient engine breathing

Direct bolt-on design makes for easy installation

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Available for Prestolite or Hitachi starter motors

Include two keys

FMF Powercore 2.1 Muffler - Aluminum 025278 1821-2008 Sv 650 - S 1999/2002 Hidden breathers are O-ringed atBuilt 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