FMF 4.1 Slip-on Exhaust is the same as the Full System FMF 4.1 and fits both FMF head pipes and Stock. FMF's really nice Motorcycle Exhaust for both performance and durability.
FMF Racing has been coming out with new Exhaust systems for dirt bikes all the time. Like the FMF 4.1 Slip-on Exhaust with the Mega Bomb and new FMF power core slip-on. Nicoll Racing has been installing FMF full system Motocross Exhaust on all our race Bikes with great power gains. Try a new FMF 4.1 Slip-on Exhaust on your Dirt Bike.
Nicoll Racing
1020 Calle Negocio
San Clemente CA 92673
949-218-2747
Billy_Nicoll@yahoo.com