FMF Factory 4.1 Exhaust System with SS Megabomb Header | 041604. All new incorporating the latest in Resonance Chamber TechnologyPatented core shape lowers sound level while maintaining maximum power outputPatented canister shape increases internal volume for more sound absorbing materialPatented chamber design to enhance and refine exhaust pressureFactory Forward Engineering centralizes mass and is less prone to crash damageTuned exhaust with optimized core specifications- FMF Factory 4.1 Exhaust System with SS Megabomb Header | 041604.
FMF Factory 4.1 Exhaust System With Megabomb Header KAW | 042398. All new incorporating the latest in Resonance Chamber TechnologyPatented core shape lowers sound level while maintaining maximum power outputPatented canister shape increases internal volume for more sound absorbing materialPatented chamber design to... - FMF Factory 4.1 Exhaust System With Megabomb Header KAW | 042398.
FMF Factory 4.1 Silencer and Megabomb Header Exhaust System KTM/HUS/GAS 350cc (20-22) | 045650. The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology(TM) both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forwa... - FMF Factory 4.1 Silencer and Megabomb Header Exhaust System KTM/HUS/GAS 350cc (20-22) | 045650.
FMF Factory 4.1 RCt Ti Exhaust System | 042381. We take fun seriously so we built the Mini Factory 4.1. This is an all out performance exhaust for play bikes. With the Mini Factory 4.1, you will be the king of backyard motocross and look great doing it!Superior power on stock and big bo... - FMF Factory 4.1 RCt Ti Exhaust System | 042381.
FMF Factory 4.1 Exhaust System | 041590. All new incorporating the latest in Resonance Chamber TechnologyPatented core shape lowers sound level while maintaining maximum power outputPatented canister shape increases internal volume for more sound absorbing materialPatented chamber design to... - FMF Factory 4.1 Exhaust System | 041590.
FMF Factory 4.1 Exhaust System | 044447. All new incorporating the latest in Resonance Chamber TechnologyPatented core shape lowers sound level while maintaining maximum power outputPatented canister shape increases internal volume for more sound absorbing materialPatented chamber design to... - FMF Factory 4.1 Exhaust System | 044447.
FMF Factory 4.1 Exhaust System | 044457. All new incorporating the latest in Resonance Chamber TechnologyPatented core shape lowers sound level while maintaining maximum power outputPatented canister shape increases internal volume for more sound absorbing materialPatented chamber design to... - FMF Factory 4.1 Exhaust System | 044457.
FMF Factory 4.1 Exhaust System | 044461. All new incorporating the latest in Resonance Chamber TechnologyPatented core shape lowers sound level while maintaining maximum power outputPatented canister shape increases internal volume for more sound absorbing materialPatented chamber design to... - FMF Factory 4.1 Exhaust System | 044461.
FMF Factory 4.1 Exhaust System | 045639. All new incorporating the latest in Resonance Chamber TechnologyPatented core shape lowers sound level while maintaining maximum power outputPatented canister shape increases internal volume for more sound absorbing materialPatented chamber design to... - FMF Factory 4.1 Exhaust System | 045639.
FMF Factory 4.1 Exhaust System | 042373. All new incorporating the latest in Resonance Chamber TechnologyPatented core shape lowers sound level while maintaining maximum power outputPatented canister shape increases internal volume for more sound absorbing materialPatented chamber design to... - FMF Factory 4.1 Exhaust System | 042373.