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FMF Factory 4.1 Slip-On Exhaust KTM/HUS/GAS 350/450 ('19-'22) | 045629

FMF SKU: 79-40412
Regular price

£679.99

Description
The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to FMF Factory Forward Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet FMF's exacting specifications and is manufactured 100% at FMF's Southern California factory.
  • All new incorporating the latest in Resonance Chamber Technology
  • Patented core shape lowers sound level while maintaining maximum power output
  • Patented canister shape increases internal volume for more sound absorbing material
  • Patented chamber design to enhance and refine exhaust pressure
  • Factory Forward Engineering centralizes mass and is less prone to crash damage
  • Tuned exhaust with optimized core specifications for each application
  • Innovative rear end cap for simple installation of tuning tip inserts or spark arrestor
  • Titanium mid-pipe for extreme light weight

Fitment:

Make Model Year
GAS GAS EX350F 21-22
GAS GAS EX450F 21-22
GAS GAS MC350F 23
GAS GAS MC450F 21-23
HUSQVARNA FC350 19-22
HUSQVARNA FC450 19-22
HUSQVARNA FC450 ROCKSTAR EDITION 18-21
HUSQVARNA FX350 19-22
HUSQVARNA FX450 19-22
KTM 350 SX-F 19-22
KTM 350 XC-F 19-22
KTM 350 XC-F KAILUB RUSSELL 21
KTM 450 SX-F 19-22
KTM 450 SX-F FACTORY EDITION 18-21
KTM 450 XC-F 19-22


Fitments