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FMF Factory 4.1 Muffler KLX140 2008-2021 042382 1821-2022

FMF
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Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end caps The lightest mufflers available Superior power ...

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FMF Factory 4.1 Muffler KX250F/X 2021-2023 042394 1821-2035

FMF
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RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in th...

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FMF Factory 4.1 Muffler KX250F/X 2021-2024 042396 1821-2036

FMF
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RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in th...

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FMF Factory 4.1 RCT Dual Mufflers - Blue Anodized CRF250R/X 2018-2021 041589
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$912.00
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FMF Factory 4.1 RCT Dual Mufflers - Blue Anodized CRF250R/X 2018-2021 041589 1821-1994

FMF
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The Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overall leng...

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FMF Factory 4.1 RCT Exhaust - Aluminum CRF450R/RX 2021- 2025 041604 1820-1993

FMF
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RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in th...

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$967.00
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FMF Factory 4.1 RCT Exhaust - Aluminum Gas Gas/Husqvarna/KTM 350 XC-W 2020-2022 045650 1820-1954

FMF
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RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in th...

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FMF Factory 4.1 RCT Exhaust - Aluminum Husqvarna FE 450 2020-2021 045651 1820-1955

FMF
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RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in th...

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$855.00
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FMF Factory 4.1 RCT Exhaust - Aluminum KX250F 2017-2020 042377 1820-1900

FMF
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RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in th...

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FMF Factory 4.1 RCT Exhaust - Aluminum KX250F/X 2021-2023 042397 1820-1985

FMF
In stock

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts ...

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FMF Factory 4.1 RCT Exhaust - Aluminum RM-Z 250 2019-2024 043374 1820-1902

FMF
Out of stock

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts ...

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$1,368.00
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FMF Factory 4.1 RCT Exhaust - Titanium CRF250R 2018-2021 / CRF250RX 2019-2021 041590 1820-1948

FMF
Out of stock

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in t...

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$1,237.00
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$1,237.00

FMF Factory 4.1 RCT Exhaust - Titanium CRF450R/.RX 2021- 2025 041605 1820-1994

FMF
In stock

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in th...

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$1,199.99
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$1,080.00
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$1,080.00

FMF Factory 4.1 RCT Exhaust - Titanium KX250F 2017-2020 042378 1820-1901

FMF
In stock

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in th...

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$1,080.00
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$1,080.00

FMF Factory 4.1 RCT Exhaust - Titanium KX250F/X 2021-2024 042398 1820-1984

FMF
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RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in t...

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FMF Factory 4.1 RCT Exhaust - Titanium RMZ250 2019-2024 043375 1820-1903

FMF
Out of stock

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output Internal ducts in t...

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$1,074.99
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FMF Factory 4.1 RCT Exhaust System - Aluminum - Stainless Steel Header - Carbon Fiber End Cap YZ450F /FX 2023-2024 044477

FMF
Out of stock

Incorporates FMF Resonance Chamber Technology™ both internally and externally Shorter overall length that is less susceptible to crash damage and ...

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FMF Factory 4.1 RCT Exhaust System - Stainless Steel - Carbon End Cap KX 450 2024 042405

FMF
In stock

Spark arrestor screen insert included 94dB insert included For closed course competition only

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$1,237.00

FMF Factory 4.1 RCT Exhaust System - Titanium - Carbon End Cap KX450 /KX450F /KX450x 2024 -2025 042406 1820-2046

FMF
In stock

Spark arrestor screen insert included 94dB insert included For closed course competition only

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FMF Factory 4.1 RCT Exhaust System - Titanium - Carbon Fiber End Cap YZ450F 2023-2024 044478

FMF
Out of stock

Incorporates FMF Resonance Chamber Technology™ both internally and externally Shorter overall length that is less susceptible to crash damage and ...

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$540.00

FMF Factory 4.1 RCT Muffler - Aluminum CRF250R 2011-2013 041473 1821-1385

FMF
Out of stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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FMF Factory 4.1 RCT Muffler - Aluminum 041517 1821-1563

FMF
Low stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$540.00
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$540.00

FMF Factory 4.1 RCT Muffler - Aluminum 042369 1821-1888

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$540.00
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$540.00

FMF Factory 4.1 RCT Muffler - Aluminum 042374 1821-1953

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$599.99
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$599.99
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$540.00
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$549.99
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$495.00

FMF Factory 4.1 RCT Muffler - Aluminum 044383 1821-1407

FMF
Out of stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$549.99
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$549.99
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$495.00
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$649.99
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$649.99
$585.00
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$585.00

FMF Factory 4.1 RCT Muffler - Aluminum 044427 1821-1610

FMF
Out of stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$649.99
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$649.99
$585.00
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$585.00
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$747.99
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$673.00
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$673.00

FMF Factory 4.1 RCT Muffler - Aluminum 044464 1821-2012

FMF
Low stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$747.99
$673.00
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$673.00
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$549.99
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$495.00

FMF Factory 4.1 RCT Muffler - Aluminum 045558 1821-1633

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$549.99
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$495.00
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$585.00
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$585.00

FMF Factory 4.1 RCT Muffler - Aluminum 045628 1821-1920

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$649.99
$585.00
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$585.00
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FMF Factory 4.1 RCT Muffler - Aluminum 045647 1821-2000

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$495.00
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$599.99
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$540.00

FMF Factory 4.1 RCT Muffler - Aluminum 2019-2024 043372 1821-1958

FMF
Out of stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$599.99
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FMF Factory 4.1 RCT Muffler - Aluminum HUSQVARNA 17-19 045594 1821-1719

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overall le...

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$495.00
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$540.00

FMF Factory 4.1 RCT Muffler - Aluminum KX250F 09-16 042290 1821-1391

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$599.99
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$540.00
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$540.00

FMF Factory 4.1 RCT Muffler - Aluminum KX450F 2009-2011 042291 1821-1392

FMF
Low stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$599.99
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$599.99
$540.00
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$540.00
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$599.99
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$540.00

FMF Factory 4.1 RCT Muffler - Aluminum KX450F 2012-2015 042292 1821-1393

FMF
Low stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$599.99
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$599.99
$540.00
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$540.00
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$540.00

FMF Factory 4.1 RCT Muffler - Aluminum KX450F 2016-2018 042330 1821-1726

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$599.99
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$599.99
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$540.00
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$599.99
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$599.99
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$540.00

FMF Factory 4.1 RCT Muffler - Aluminum RM-Z 250 2013-2018 043347 1821-1477

FMF
Out of stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$599.99
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$599.99
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$540.00
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$599.99
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$540.00

FMF Factory 4.1 RCT Muffler - Aluminum RM-Z 450 2018-2021 043364 1821-1857

FMF
Low stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$599.99
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$599.99
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$540.00
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$649.99
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$649.99
$585.00
$585.00 - $585.00
$585.00

FMF Factory 4.1 RCT Muffler - Aluminum YZ250F 2019-2024 044453 1821-1883

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overall le...

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$649.99
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$649.99
$585.00
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$585.00
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$649.99
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$649.99
$585.00
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$585.00

FMF Factory 4.1 RCT Muffler - Aluminum YZ450F 2018-2024 044443 1821-1838

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overall le...

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$649.99
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$649.99
$585.00
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$585.00
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$674.99
$674.99 - $674.99
$674.99
$607.00
$607.00 - $607.00
$607.00

FMF Factory 4.1 RCT Muffler - Anodized Titanium 041546 1831-0678

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$674.99
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$674.99
$607.00
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$607.00
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$675.00
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$675.00

FMF Factory 4.1 RCT Muffler - Anodized Titanium 042267 1821-1227

FMF
Low stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$749.99
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$749.99
$675.00
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$675.00
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$749.99
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$749.99
$675.00
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$675.00

FMF Factory 4.1 RCT Muffler - Anodized Titanium 042371 1821-1890

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$749.99
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$749.99
$675.00
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$675.00
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$749.99
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$675.00

FMF Factory 4.1 RCT Muffler - Anodized Titanium 042376 1821-1955

FMF
In stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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$749.99
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$749.99
$675.00
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$675.00
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$674.99
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$674.99
$607.00
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FMF Factory 4.1 RCT Muffler - Anodized Titanium 044400 1831-0610

FMF
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The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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FMF Factory 4.1 RCT Muffler - Anodized Titanium 044409 1821-1537

FMF
Low stock

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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FMF Factory 4.1 RCT Muffler - Anodized Titanium 044429 1821-1612

FMF
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The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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FMF Factory 4.1 RCT Muffler - Anodized Titanium 045561 1821-1631

FMF
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The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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FMF Factory 4.1 RCT Muffler - Anodized Titanium 045570 1821-1644

FMF
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The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally In addition, FMF achieves a shorter overa...

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Let customers speak for us

from 5577 reviews

A+very Satisfied and quick shipping the best

panch73
Magma Powersports

Great buy great seller

vla-koles
Magma Powersports

Fast shipping

zratliff
Magma Powersports

Great, thanks!!

bigworm631
Magma Powersports

Excellent seller communication! Items received before the posted arrival date. Items as described! I have not installed the items yet, but will update if any issues! Thank you!

legendmc
Magma Powersports

arrived on time highly recommend them

6543terry
Magma Powersports

👍👍Great product!

scblockmonsta864
Magma Powersports

Great seller, fast shipping thanks.

biker_house_peru
Magma Powersports

excellent product fast shipping. Will do business with again. highly recommend. A+++++++++++++

aguirre561
Magma Powersports

Awesome Product, as advertised, Would buy again, A+++++

d17217
Magma Powersports

Good work

clocarlrodr
Magma Powersports

Reliable seller they send the goods before estimated time which is awesome Thank you Sport Bike superstore

toroloco0007
Magma Powersports

Perfect fit n looks great

rust760
Magma Powersports

The build quality is top notch! Don't fret if it doesn't match the OEM setup, even if the instructions say otherwise! The OEM is a 2O type (over the fender), but these CoreMoto lines are 2F type (double banjo, single dedicated line from master to each caliper). The description does not list this, but the CoreMoto website explains kits will default to this 2F type for better performance.

masu-yoshi
Magma Powersports

Thanks y’all for the fast shipping definitely will be ordering from y’all again

diondreyamahar1
Magma Powersports