Factory 4.1 SL – Stainless Steel (S/S) Midpipe Titanium slip-on muffler with stainless steel midpipe. Available in natural titanium or blue anodized finish. Fits stock or FMF header. - Boosts low-mid torque, broader powerband, more over-rev.
- Features exclusive proprietary Chamber Core technology. - Factory Forward Engineering centralizes mass, improves handling. - All titanium construction - canister and endcaps; choice of mid-pipe. - Made from premium quality American materials. - Customize with performance tuning inserts and spark arrestor module. - Meets AMA sound requirements on most models; inserts available for others.
2000-2007 Cycles Parts West dba Goldenwest Cycle, goldenwestcycle.com - all