FMF Factory 4.1 RCT
Patented chamber core for optimum performance Engineered for compactness and centralized mas for improved handling. - Exclusive mounting design.
- Easily serviced for re-packing.
- Slip-On comes with a stainless midpipe.
- Customizable with performance tuning inserts (part number 434744) and spark arrestor module (part number 432775). - Meets AMA sound requirements on most models.
- RCT stands for Resonance Chamber Technology; creats an effect that lowers decibels and increases the life of muffler packing Internal ducts in the chambers of the RCT system increase volume for improved exhaust flow, resulting in power gains throughout the entire range of power.