New Products
FMF Factory 4.1 RCT Full System - Titanium 450 SX-F Full titanium Factory 4.1 system for KTM 450 SX-F. Complete power package. Applications:... more info
$649.99 $584.99
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FMF Factory 4.1 RCT Slip-On Muffler - Stainless/Aluminum w/ Carbon End Cap Affordable stainless/aluminum Factory 4.1 RCT slip-on with carbon fiber... more info
$599.99 $539.99
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FMF Factory 4.1 RCT Slip-On Muffler - Stainless/Aluminum RM-Z450 Stainless/aluminum Factory 4.1 for RM-Z450. Affordable performance with RCT sound... more info
$599.99 $539.99
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FMF Factory 4.1 RCT Slip-On Muffler - Titanium Anodized w/ Carbon End Cap Full titanium mid-pipe and anodized canister with carbon end cap. One of... more info
$749.99 $674.99
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FMF Factory 4.1 RCT Full System - Titanium RM-Z450 Full titanium system for RM-Z450. Megabomb header included for ultimate performance. Applications:... more info
$749.99 $674.99
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FMF Megabomb Header - Stainless Steel Stainless steel Megabomb header dramatically increases low-to-mid power and torque. Perfect match for any FMF... more info
$374.99 $337.49
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FMF Factory 4.1 RCT Slip-On Muffler - Aluminum 125 SX Aluminum Factory 4.1 for KTM 125 SX. 2-stroke tuned. Applications: 2023-2025 KTM 125 SX more info
$374.99 $337.49
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FMF Megabomb Header - Titanium Full titanium Megabomb header for maximum weight savings and huge power gains. The choice of factory race teams.... more info
$474.99 $427.49
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FMF Factory 4.1 RCT Slip-On Muffler - Titanium 125 SX Titanium Factory 4.1 for KTM 125 SX. 2-stroke lightweight. Applications: 2023-2025 KTM 125 SX more info
$474.99 $427.49
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FMF Factory 4.1 Full System - Stainless/Aluminum CRF250R Stainless/aluminum full system for CRF250R. Balanced for trail and track. Applications:... more info
$674.99 $607.49
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FMF Factory 4.1 Full System - Titanium CRF450R Full titanium Factory 4.1 system for CRF450R. Megabomb header for torque monster. Applications:... more info
$674.99 $607.49
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FMF Factory 4.1 RCT Slip-On Muffler - Titanium 85 SX Titanium Factory 4.1 for KTM 85 SX. Light for young racers. Applications: 2023-2025 KTM 85 SX more info
$899.99 $809.99
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The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’... more info
$299.99 $269.99
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FMF Fatty Pipe - Honda CR85R Fatty for CR85R. Honda mini. Applications: Honda CR85R 2003-2007 more info
$299.99 $269.99
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FMF Fatty Pipe - Yamaha YZ85 Fatty for YZ85. Mini torque. Applications: Yamaha YZ85 2002-2010 more info
$299.99 $269.99
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With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance. The Fatty broadens and smoothes... more info
$299.99 $269.99
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FMF G-Pipe - Gas Gas Phoenix 250/300 2-Stroke Standard G-Series pipe for Gas Gas Phoenix. Broad power delivery for trail and track. Applications: Gas... more info
$299.99 $269.99
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FMF Factory 4.1 Full System - Titanium CRF450RX Titanium full Factory 4.1 for CRF450RX. Enduro light. Applications: 2017-2025 Honda CRF450RX more info
$399.99 $359.99
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FMF Factory 4.1 Slip-On - Aluminum CRF450R (Very Older) Aluminum Factory 4.1 for very older CRF450R. Classic. Applications: 2004-2008 Honda CRF450R more info
$899.99 $809.99
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FMF Factory 4.1 Full System - Titanium CRF250RX Titanium full Factory 4.1 for CRF250RX. Light woods complete. Applications: 2017-2025 Honda CRF250RX more info
$674.99 $607.49
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