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Lowest Price:
$899.99
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The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, FMF has achieved a shorter overall length that is less susceptible to crash damage and complementary to their 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 their Southern California factory.
Lowest Price:
$899.99
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The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, FMF has achieved a shorter overall length that is less susceptible to crash damage and complementary to their 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 their Southern California factory.
Lowest Price:
$699.99
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The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, FMF has achieved a shorter overall length that is less susceptible to crash damage and complementary to their 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 their Southern California factory.
Lowest Price:
$399.99
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The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber technology both internally and externally A shorter overall length that is less susceptible to crash damage 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 Massive power gains throughout the RPM range. Huge weight savings New RTS (Rapid Tuning System) FMF uses the highest quality proprietary blend of alloy grade titanium Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Aluminum Finish:...
Lowest Price:
$499.99
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The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber technology both internally and externally A shorter overall length that is less susceptible to crash damage 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 Massive power gains throughout the RPM range Huge weight savings New RTS (Rapid Tuning System) FMF uses the highest quality proprietary blend of alloy grade titanium Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Titanium Finish: Blue...
Lowest Price:
$399.99
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The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber technology both internally and externally A shorter overall length that is less susceptible to crash damage 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 Massive power gains throughout the RPM range. Huge weight savings New RTS (Rapid Tuning System) FMF uses the highest quality proprietary blend of alloy grade titanium Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Aluminum Finish:...
Lowest Price:
$219.99
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The PowerCore 4 Moto features many of the design & engineering features of FMF's top-of-the-line Factory 4.1 exhaust. Although manufactured as a price point exhaust, FMF didn't cut any corners on materials. FMF Utilized aircraft grade aluminum for the canister and new fixed mount. Strong, high-grade stainless steel is used for the formed front and rear end caps.
Lowest Price:
$799.99
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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 end caps 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 end caps as well as the mandrel bent midpipe.
Lowest Price:
$219.99
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FMF Powercore 4 silencer features U.S. forestry approved spark arrestor - Megamax II is a reverse cone megaphone design and can run open for closed course or with discs for off-road riding - FMF has radically improved the PC IV by creating a modular end cap that allows for easy tuning with various end caps that alter the power band around the needs the needs of the rider. Quickly changed, the standard hi-flo 2" end cap, the optional 1-3/4" end cap for a smoother power delivery and the spark arrestor module all give the PC IV substantial versatility and tremendous performance gains -...
Lowest Price:
$379.99
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FMF is the leader in high performance quiet technology and their Q4 HEX 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:
$379.99
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FMF is the leader in high performance quiet technology and their Q4 HEX 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:
$379.99
See Details
FMF is the leader in high performance quiet technology and their Q4 HEX 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:
$379.99
See Details
FMF is the leader in high performance quiet technology and their Q4 HEX 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:
$349.99
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When designing the PowerCore 4 HEX, FMF looked at their top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.
Lowest Price:
$349.99
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When designing the PowerCore 4 HEX, FMF looked at their top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank.
Lowest Price:
$379.99
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A quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank Overall increase in power and torque Durable stainless steel and aluminum construction Space age internal packing material for maximum longevity Internal shape of core uses Hi-Flo technology Enhanced sonic evacuation provides for higher flow and increased power Includes removable spark arrestor Side panel included Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Aluminum Finish: Natural Midpipe: Stainless Steel Endcap: Stainless Steel Spark...
Lowest Price:
$379.99
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A quality muffler with improved torque, increased horsepower and rugged durability all at a price that won't break the bank Overall increase in power and torque Durable stainless steel and aluminum construction Space age internal packing material for maximum longevity Internal shape of core uses Hi-Flo technology Enhanced sonic evacuation provides for higher flow and increased power Includes removable spark arrestor Side panel included Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Aluminum Finish: Natural Midpipe: Stainless Steel Endcap: Stainless Steel Spark...
Lowest Price:
$379.99
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FMF is the leader in high performance quiet technology and our Q4 HEX 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 Less sound equals more ground Meets USFS and FIM World Enduro sound regulations Power gains throughout the entire RPM range Spark arrestor included Pounds lighter than stock Rugged design for off-road endurance Only U.S. manufacturer to offer dedicated quiet exhaust systems Made...
Lowest Price:
$379.99
See Details
FMF is the leader in high performance quiet technology and our Q4 HEX 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 Less sound equals more ground Meets USFS and FIM World Enduro sound regulations Power gains throughout the entire RPM range Spark arrestor included Pounds lighter than stock Rugged design for off-road endurance Only U.S. manufacturer to offer dedicated quiet exhaust systems Made...
Lowest Price:
$349.99
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FMF developed the PowerCore 4 to increase the horsepower and torque throughout the entire power curve and give you a noticeable power increase that is very usable and beneficial, no matter what your riding style or ability is.
Lowest Price:
$319.99
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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:
$179.99
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The Titanium 2 is FMF's premiere racing silencer. Designed from their commitment to factory level racing and used by both Yamaha of Troy and Factory KTM, the Titanium 2 is built with a titanium performance flow end cap and titanium stinger to maximize overall weight savings. Combined with an anodized Shorty canister, the Titanium 2 delivers the power characteristics demanded by top riders. Completely rebuildable, the Titanium 2 silencer is the lightest silencer FMF has ever made.
Lowest Price:
$179.99
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The Titanium 2 is FMF's premiere racing silencer. Designed from their commitment to factory level racing and used by both Yamaha of Troy and Factory KTM, the Titanium 2 is built with a titanium performance flow end cap and titanium stinger to maximize overall weight savings. Combined with an anodized Shorty canister, the Titanium 2 delivers the power characteristics demanded by top riders. Completely rebuildable, the Titanium 2 silencer is the lightest silencer FMF has ever made.
Lowest Price:
$379.99
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The FMF Q has always been in a league of its own and our latest Q4 HEX is the most significant upgrade to date You don't need to settle for a plugged up moto muffler hampered by an insert when you can have a compliant muffler engineered for performance Less sound equals more ground Meets USFS and FIM World Enduro sound regulations Power gains throughout the entire rpm range Spark arrestor included Pounds lighter than stock Rugged design for off-road endurance Only US manufacturer to offer dedicated quiet exhaust systems MADE IN THE USA Can be used with FMF or Stock OEM Header Please Note: The...