Factory 4.1 Slip-On Exhaust

FMF Factory 41 SlipOn Titanium slipon muffler only same muffler as Factory 41 system Available in natural titanium or blue anodized finish Features Exclusive proprietary Chamber Core technology Factory Forward Engineering centralizes mass improves handling Titanium construction canister and endcap Made from premium quality American materials Performance tuning inserts and spark arrestor module available Meets AMA sound requirements on most models inserts available for others No