FMF not only focuses on building a hi-performance race silencer, FMF also focuses on low sound levels and value in performance. With the FMF Factory 4.1 silencer with SS Mid-Pipe you will get the quality of performance you are looking for and a great looking setup on you machine. The FMF Factory 4.1 silencer with SS Mid-Pipe is easy to install and will make you ready for the racing season. FMF has 30 years of racing experience behind them making FMF exhaust one of the top leading developers in that USA. FMF Factory 4.1 Silencer with SS Mid-Pipe is also stamped with AMA approval for meeting their sound requirements on most motorcycle models.

Features Factory-4.1 Silencer with SS Mid-Pipe and Stainless Steel Mid-Pipe.

Based on the Factory-4.1 full system, the uniquely shaped end cap and angle cut oval canister moves the muffler closer to the center of the bike.

Newly designed hi-flo end cap is modular for tuning the power with optional rev tubes or installing a spark arrestor module.