New Products
FMF Factory 4.1 RCT Slip-On Muffler - Titanium 150 SX Titanium Factory 4.1 for KTM 150 SX. 2-stroke premium. Applications: 2023-2025 KTM 150 SX more info
$674.99 $607.49
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FMF Factory 4.1 RCT Complete System - Titanium Megabomb Header + Muffler Full titanium system including the legendary Megabomb header. Huge... more info
$1,199.99 $1,079.99
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FMF PowerCore 4 Hex Spark Arrestor Insert Hex-pattern spark arrestor insert for PowerCore 4. Reduces noise and sparks. Applications: Universal... more info
$29.99 $26.99
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FMF Factory 4.1 RCT Spark Arrestor Screen Replacement Replacement spark arrestor screen for Factory 4.1 RCT. Meets USFS requirements. Applications:... more info
$39.99 $35.99
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·Now offering complete end cap rebuild kits. Whether it be for a Powercore 4, Q4, Factory 4.1 or the new RCT we have you handled. The kit includes... more info
$129.99 $116.99
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FMF Factory 4.1 RCT Quiet Insert 1-1/2? Spark Arrestor 94 dB quiet core insert with built-in spark arrestor. Drops sound dramatically while retaining... more info
$39.99 $35.99
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FMF Factory 4.1 RCT Spiral Retaining Ring Kit Replacement spiral retaining rings for Factory 4.1 RCT quiet core. Secure fit. Applications: Universal... more info
$5.99 $5.39
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The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter... more info
$599.99 $539.99
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FMF Factory 4.1 RCT Slip-On Muffler - Titanium KX250 Titanium slip-on for KX250 with RCT. Light weight and low sound for racing. Applications:... more info
$674.99 $607.49
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FMF Factory 4.1 RCT Full System - Titanium 125 SX Full titanium system for KTM 125 SX. 2-stroke race setup. Applications: 2023-2025 KTM 125 SX more info
$674.99 $607.49
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FMF Factory 4.1 RCT Slip-On Muffler - Blue Anodized Titanium w/ Carbon End Cap Race-proven titanium slip-on with blue anodized finish and carbon end... more info
$899.99 $809.99
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FMF Factory 4.1 RCT Slip-On Muffler - Aluminum 150 SX Aluminum Factory 4.1 for KTM 150 SX. Versatile 2-stroke. Applications: 2023-2025 KTM 150 SX more info
$899.99 $809.99
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FMF Factory 4.1 RCT Slip-On Muffler - Titanium 250 SX-F Titanium Factory 4.1 RCT for KTM 250 SX-F. Light and fast. Applications: 2023-2025 KTM 250... more info
$674.99 $607.49
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FMF Factory 4.1 RCT Slip-On Muffler - Aluminum 300 XC-W Aluminum Factory 4.1 for KTM 300 XC-W. Trail-focused with RCT quiet tech. Applications:... more info
$674.99 $607.49
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FMF Factory 4.1 RCT Slip-On Muffler - Titanium 350 SX-F Titanium Factory 4.1 RCT for KTM 350 SX-F. Race weight reduction. Applications: 2023-2025 KTM... more info
$549.99 $494.99
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FMF Factory 4.1 Slip-On Muffler - Titanium KX250F Titanium Factory 4.1 for KX250F. Extreme light weight for competitive edge. Applications: 2019-2025... more info
$599.99 $539.99
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FMF Factory 4.1 RCT Slip-On Muffler - Aluminum 250 SX-F Aluminum Factory 4.1 RCT for KTM 250 SX-F. Affordable sound-controlled power. Applications:... more info
$549.99 $494.99
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FMF Factory 4.1 RCT Slip-On Muffler - Stainless/Aluminum 450 SX-F Stainless/aluminum Factory 4.1 for KTM 450 SX-F. RCT for quiet racing.... more info
$499.99 $449.99
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FMF Factory 4.1 RCT Full System - Titanium 250 SX-F Full titanium system for KTM 250 SX-F. Megabomb header included. Applications: 2023-2025 KTM 250... more info
$854.99 $769.49
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FMF Factory 4.1 RCT Slip-On Muffler - Titanium 300 XC-W Titanium Factory 4.1 for KTM 300 XC-W. Enduro-ready lightweight. Applications: 2023-2025 KTM... more info
$854.99 $769.49
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