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Lowest Price:
$339.99
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The PowerCore 4 features many of the design and engineering features of FMF's top-of-the-line Factory 4.1 exhaust - Factory Forward engineering, durable fixed mount, sleek formed endcaps and removable spark arrestor screen. Although manufactured as a price point muffler, FMF didn't cut corners on material. They utilize aircraft grade aluminum for the canister and new fixed mount. Strong, high grade stainless steel is used for the formed front and rear endcaps as well as the mandrel bent midpipe.
Lowest Price:
$339.99
See Details
The PowerCore 4 features many of the design and engineering features of FMF's top-of-the-line Factory 4.1 exhaust - Factory Forward engineering, durable fixed mount, sleek formed endcaps and removable spark arrestor screen. Although manufactured as a price point muffler, FMF didn’t cut corners on material. They utilize aircraft grade aluminum for the canister and new fixed mount. Strong, high grade stainless steel is used for the formed front and rear endcaps as well as the mandrel bent midpipe.
Lowest Price:
$699.99
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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 endcap for simple installation of tuning tip inserts or spark arrestor - Includes titanium Megabomb header - Construction: titanium...
FMF Q4 Muffler Aluminum CRF450R 05-08 041255
FMF - Exhaust
Lowest Price:
$379.99
See Details
FMF is the leader in high performance quiet technology and their Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!
FMF Q4 Muffler Aluminum Honda CRF250R CRF250X 041249
FMF - Exhaust
Lowest Price:
$379.99
See Details
FMF is the leader in high performance quiet technology and their Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!
FMF Q4 Muffler Aluminum For Honda CRF450X 05-09 041311
FMF - Exhaust
Lowest Price:
$379.99
See Details
FMF is the leader in high performance quiet technology and their Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!
FMF Q4 Muffler Aluminum For Kawasaki KX450F 09-10 042203
FMF - Exhaust
Lowest Price:
$379.99
See Details
FMF is the leader in high performance quiet technology and their Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!
Lowest Price:
$1,049.99
See Details
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 endcap for simple installation of tuning tip inserts or spark arrestor - Includes titanium Megabomb header - Construction: titanium...
Lowest Price:
$949.99
See Details
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 endcap for simple installation of tuning tip inserts or spark arrestor - Includes titanium Megabomb header - Construction: titanium...
Lowest Price:
$549.99
See Details
All new incorporating the latest in RCT (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 endcap for simple installation of tuning tip inserts or spark arrestor - Construction: titanium mid pipe, titanium muffler and...
Lowest Price:
$319.99
See Details
FMF is the leader in high performance quiet technology and their Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don't need to hear the power, just feel the power!
Lowest Price:
$549.99
See Details
All new incorporating the latest in RCT (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 endcap for simple installation of tuning tip inserts or spark arrestor - Construction: titanium mid pipe, titanium muffler and...
Lowest Price:
$499.99
See Details
All new incorporating the latest in RCT (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 endcap for simple installation of tuning tip inserts or spark arrestor - Construction: titanium mid pipe, anodized titanium...
Lowest Price:
$379.99
See Details
FMF is the leader in high performance quiet technology and their Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!
FMF Q4 Muffler Aluminum For Honda CRF 150F 230F 041332
FMF - Exhaust
Lowest Price:
$319.99
See Details
FMF is the leader in high performance quiet technology and their Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!
Lowest Price:
$499.99
See Details
All new incorporating the latest in RCT (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 endcap for simple installation of tuning tip inserts or spark arrestor - Construction: titanium mid pipe, titanium muffler and...
Lowest Price:
$549.99
See Details
All new incorporating the latest in RCT (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 endcap for simple installation of tuning tip inserts or spark arrestor - Construction: titanium mid pipe, titanium muffler and...
Lowest Price:
$849.99
See Details
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 endcap for simple installation of tuning tip inserts or spark arrestor - Includes titanium Megabomb header - Construction: titanium...
Lowest Price:
$499.99
See Details
All new incorporating the latest in RCT (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 endcap for simple installation of tuning tip inserts or spark arrestor - Construction: titanium mid pipe, titanium muffler and...
Lowest Price:
$899.99
See Details
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 endcap for simple installation of tuning tip inserts or spark arrestor - Includes titanium Megabomb header - Construction: titanium...
FMF Q4 Muffler Aluminum KLX400SR DRZ400/S 043207
FMF - Exhaust
Lowest Price:
$379.99
See Details
FMF is the leader in high performance quiet technology and their Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!
FMF Q4 Slip-On Exhaust W/SA For Suzuki RMX450Z 2010
FMF - Exhaust
Lowest Price:
$379.99
See Details
FMF is the leader in high performance quiet technology and our Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don't need to hear the power, just feel the power!
Lowest Price:
$369.99
See Details
FMF is the leader in high performance quiet technology and their Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don't need to hear the power, just feel the power!
Lowest Price:
$899.99
See Details
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 endcap for simple installation of tuning tip inserts or spark arrestor - Includes titanium Megabomb header - Construction: titanium...
