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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:
$349.99
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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 Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Aluminum Finish: Natural Midpipe: Stainless Steel Endcap: Stainless Steel Spark Arrestor: Screen Insert...
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
See Details
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 Not available for sale in CA please call 310-631-4363 for details Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Aluminum Finish: Natural Midpipe:...
Lowest Price:
$389.99
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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:
$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:
$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:
$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:
$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:
$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:
$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:
$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:
$449.99
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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 Can be used with FMF or stock OEM header Notice: Closed Course Use Only Type: Slip-On...
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:
$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:
$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:
$449.99
See Details
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 Can be used with FMF or stock OEM header Notice: Closed Course Use Only Type: Slip-On...
Lowest Price:
$349.99
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When designing the PowerCore 4 HEX, FMF looked at our top of the line products to deliver race-inspired performance at an economical price 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 Notice: Closed Course Use Only Type:...
Lowest Price:
$349.99
See Details
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 Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Aluminum Finish: Natural Midpipe: Stainless Steel Endcap: Stainless Steel Spark Arrestor: Screen Insert...
Lowest Price:
$349.99
See Details
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 Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Aluminum Finish: Natural Midpipe: Stainless Steel Endcap: Stainless Steel Spark Arrestor: Screen Insert...
Lowest Price:
$379.99
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More power Lower center of gravity Value priced performance muffler with titanium construction Removable spark arrestor included Use with FMF or stock OEM header Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Titanium Finish: Natural Midpipe: Stainless Steel Endcap: Stainless Steel Spark Arrestor: Screen Insert (included) Carb Warning: No Weight: 5.4 lbs.
Lowest Price:
$349.99
See Details
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 Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Aluminum Finish: Natural Midpipe: Stainless Steel Endcap: Stainless Steel Spark Arrestor: Screen Insert...
Lowest Price:
$349.99
See Details
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 Notice: Closed Course Use Only Type: Slip-On Configuration: Single Const: Aluminum Finish: Natural Midpipe: Stainless Steel Endcap: Stainless Steel Spark Arrestor: Screen Insert...
