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4-Stroke Mufflers

All 4-Stroke Mufflers
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$0 - $99
3
$100 - $249
5
$250 - $499
101
$500 - $999
83
$1,000 - $2,499
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FMF
142
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17
Yoshimura
34
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314
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4-Stroke Muffler
193
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FMF Factory 4.1 RCT SS Slip-On Muffler | 041592
FMFFMF Factory 4.1 RCT SS Slip-On Muffler | 041592
SKU: 79-41592
$299.99
$284.99

FMF Factory 4.1 Stainless Slip-On Exhaust Yamaha YZ450F(X) WR450F | 044443FMF Factory 4.1 Stainless Slip-On Exhaust Yamaha YZ450F(X) WR450F | 044443
FMFFMF Factory 4.1 Stainless Slip-On Exhaust Yamaha YZ450F(X) WR450F | 044443
SKU: 79-40636
$649.99
$617.49

Yoshimura RS-9T Dual Slip-On Mufflers 2017-18 Honda CRF450R/RX | 225832R520Yoshimura RS-9T Dual Slip-On Mufflers 2017-18 Honda CRF450R/RX | 225832R520
YoshimuraYoshimura RS-9T Dual Slip-On Mufflers 2017-18 Honda CRF450R/RX | 225832R520
SKU: 961-1909
$869.00

Yoshimura RS-2 Slip-On Exhaust Honda CRF150R/RB ('07-22) | 2215703
YoshimuraYoshimura RS-2 Slip-On Exhaust Honda CRF150R/RB ('07-22) | 2215703
SKU: 961-1205
$409.00

Yoshimura RS-4 Stainless Muffler 2019-UP Honda CRF450X | 224502D320Yoshimura RS-4 Stainless Muffler 2019-UP Honda CRF450X | 224502D320
YoshimuraYoshimura RS-4 Stainless Muffler 2019-UP Honda CRF450X | 224502D320
SKU: 961-1216
$649.00

Yoshimura RS-4 Slip-on Muffler 2019-23 KTM/Husqvarna 790-901 | 16780BD520Yoshimura RS-4 Slip-on Muffler 2019-23 KTM/Husqvarna 790-901 | 16780BD520
YoshimuraYoshimura RS-4 Slip-on Muffler 2019-23 KTM/Husqvarna 790-901 | 16780BD520
SKU: 960-1163
$699.00

Yoshimura Exhaust Enduro RS-2 Stainless Slip-On Exhaust Honda XR150L | 12149BC350Yoshimura Exhaust Enduro RS-2 Stainless Slip-On Exhaust Honda XR150L | 12149BC350
YoshimuraYoshimura Exhaust Enduro RS-2 Stainless Slip-On Exhaust Honda XR150L | 12149BC350
SKU: 960-1114
$499.00

Yoshimura RS-4 Stainless Full Exhaust 2008-17 Suzuki RMZ/RMX 450 | 219200D320Yoshimura RS-4 Stainless Full Exhaust 2008-17 Suzuki RMZ/RMX 450 | 219200D320
YoshimuraYoshimura RS-4 Stainless Full Exhaust 2008-17 Suzuki RMZ/RMX 450 | 219200D320
SKU: 961-5405
$699.00

FMF Q4 Quiet Series Slip-On Exhaust Kawasaki KX250F ('21-'23) | 042393
FMFFMF Q4 Quiet Series Slip-On Exhaust Kawasaki KX250F ('21-'23) | 042393
SKU: 79-42393
$449.99
$427.49

FMF Factory 4.1 RCT Ti Anodized SL Muffler 2021-25 Honda CRF450R/RX | 041603
FMFFMF Factory 4.1 RCT Ti Anodized SL Muffler 2021-25 Honda CRF450R/RX | 041603
SKU: 79-041603
$899.99
$854.99

Yoshimura RS-4 Stainless Slip-on Muffler 2018-22 KTM/HUS/GAS 450cc | 264622D320Yoshimura RS-4 Stainless Slip-on Muffler 2018-22 KTM/HUS/GAS 450cc | 264622D320
YoshimuraYoshimura RS-4 Stainless Slip-on Muffler 2018-22 KTM/HUS/GAS 450cc | 264622D320
SKU: 961-4412
$699.00

FMF Powercore 4 Mini Exhaust Silencer Kawasaki/Suzuki KLX/DRZ 110 | 042005
FMFFMF Powercore 4 Mini Exhaust Silencer Kawasaki/Suzuki KLX/DRZ 110 | 042005
SKU: 79-7233
$279.99
$265.99

Yoshimura RS-4 SS Slip-on Muffler 2019-23 Kawasaki KX450/X | 244722D320Yoshimura RS-4 SS Slip-on Muffler 2019-23 Kawasaki KX450/X | 244722D320
YoshimuraYoshimura RS-4 SS Slip-on Muffler 2019-23 Kawasaki KX450/X | 244722D320
SKU: 961-3413
$589.00

Yoshimura Alpha T Slip-On Exhaust 390 DUKE | 16381BP520Yoshimura Alpha T Slip-On Exhaust 390 DUKE | 16381BP520
YoshimuraYoshimura Alpha T Slip-On Exhaust 390 DUKE | 16381BP520
SKU: 960-1159
$499.00

FMF Mini Powercore 4 Spark Arrestor Exhaust Honda CRF/XR 80-100 | 041015
FMFFMF Mini Powercore 4 Spark Arrestor Exhaust Honda CRF/XR 80-100 | 041015
SKU: 79-2658
$299.99
$284.99

Yoshimura R-77 Slip-On Muffler 2014-22 KTM/Husqvarna 690/701 Enduro | 19701BD520Yoshimura R-77 Slip-On Muffler 2014-22 KTM/Husqvarna 690/701 Enduro | 19701BD520
YoshimuraYoshimura R-77 Slip-On Muffler 2014-22 KTM/Husqvarna 690/701 Enduro | 19701BD520
SKU: 960-1140
$569.00

FMF Powercore 4 Stainless Steel Muffler | 041284
FMFFMF Powercore 4 Stainless Steel Muffler | 041284
SKU: 79-3014
$399.99
$379.99

FMF Q4 Hex Spark Arrestor Stainless Steel Muffler Kawasaki KX250F/X 2025 | 042410
FMFFMF Q4 Hex Spark Arrestor Stainless Steel Muffler Kawasaki KX250F/X 2025 | 042410
SKU: 042410
$449.99
$427.49

FMF Factory 4.1 RCT Slip-On Exhaust KTM/Husqvarna/GasGas 250-500cc ('20-'23) | 045648
FMFFMF Factory 4.1 RCT Slip-On Exhaust KTM/Husqvarna/GasGas 250-500cc ('20-'23) | 045648
SKU: 79-40417
$649.99
$617.49

Yoshimura RS-4 Slip-on Muffler 2017-20 Kawasaki KX250F | 242932D320Yoshimura RS-4 Slip-on Muffler 2017-20 Kawasaki KX250F | 242932D320
YoshimuraYoshimura RS-4 Slip-on Muffler 2017-20 Kawasaki KX250F | 242932D320
SKU: 961-3411
$549.00

Yoshimura RS-4 Stainless Full Exhaust 2014-17 Yamaha YZ450F | 234810D321Yoshimura RS-4 Stainless Full Exhaust 2014-17 Yamaha YZ450F | 234810D321
YoshimuraYoshimura RS-4 Stainless Full Exhaust 2014-17 Yamaha YZ450F | 234810D321
SKU: 961-6410
$799.00

FMF Q4 Hex Spark Arrestor Yamaha YZ/WR 250F/X ('14-'19) | 044426
FMFFMF Q4 Hex Spark Arrestor Yamaha YZ/WR 250F/X ('14-'19) | 044426
SKU: 79-4189
$449.99
$427.49

FMF Offroad Powercore 4 Exhaust Spark Arrestor | 041582
FMFFMF Offroad Powercore 4 Exhaust Spark Arrestor | 041582
SKU: 79-2638
$239.99
$227.99

FMF Powercore 4 Hex Muffler Beta 350-480 RR | 045666
FMFFMF Powercore 4 Hex Muffler Beta 350-480 RR | 045666
SKU: 79-045666
$399.99
$379.99

Yoshimura R-77 Slip-On Exhaust | 1585020520Yoshimura R-77 Slip-On Exhaust | 1585020520
YoshimuraYoshimura R-77 Slip-On Exhaust | 1585020520
SKU: 960-1101
$529.00

FMF Powercore 4 Muffler Yamaha YZ 250F/450F '06-09 | 044228
FMFFMF Powercore 4 Muffler Yamaha YZ 250F/450F '06-09 | 044228
SKU: 79-3088
$399.99
$379.99

Yoshimura R-77 Slip-On Carbon/Stainles Muffler | 1414020220
YoshimuraYoshimura R-77 Slip-On Carbon/Stainles Muffler | 1414020220
SKU: 960-1367
$1,199.00

FMF Q4 Hex Spark Arrestor Stainless Steel Muffler Kawasaki KX250F/X 2025 | 042409
FMFFMF Q4 Hex Spark Arrestor Stainless Steel Muffler Kawasaki KX250F/X 2025 | 042409
SKU: 042409
$399.99
$379.99

FMF Powercore 4 Hex Muffler Yamaha YZ/WR 250/X ('14-'19) | 044423
FMFFMF Powercore 4 Hex Muffler Yamaha YZ/WR 250/X ('14-'19) | 044423
SKU: 79-3091
$399.99
$379.99

FMF Titanium Factory 4.1 RCT Exhaust System Triumph TF 250-X | 045695
FMFFMF Titanium Factory 4.1 RCT Exhaust System Triumph TF 250-X | 045695
SKU: 79-045695
$899.99
$854.99

Yoshimura RS-3 Exhaust Sound Insert | INS-28-K
YoshimuraYoshimura RS-3 Exhaust Sound Insert | INS-28-K
SKU: 960-0002
$28.95

FMF Powercore 4 Exhaust For Honda CRF250R/X | 041273
FMFFMF Powercore 4 Exhaust For Honda CRF250R/X | 041273
SKU: 79-3020
$399.99
$379.99

Yoshimura RS-4 Slip-on Muffler 2014-20 KTM 1090-1290 Adventure | 16190BD520Yoshimura RS-4 Slip-on Muffler 2014-20 KTM 1090-1290 Adventure | 16190BD520
YoshimuraYoshimura RS-4 Slip-on Muffler 2014-20 KTM 1090-1290 Adventure | 16190BD520
SKU: 960-1158
$679.00

Yoshimura RS-4 Stainless Slip-on Exhaust 2016-18 KTM/Husqvarna 450-501 | 264612D322Yoshimura RS-4 Stainless Slip-on Exhaust 2016-18 KTM/Husqvarna 450-501 | 264612D322
YoshimuraYoshimura RS-4 Stainless Slip-on Exhaust 2016-18 KTM/Husqvarna 450-501 | 264612D322
SKU: 961-4415
$519.00

Yoshimura RS-4 Slip-on Exhaust KTM/HUS/GAS 250/350 (19-22) | 262532D320Yoshimura RS-4 Slip-on Exhaust KTM/HUS/GAS 250/350 (19-22) | 262532D320
YoshimuraYoshimura RS-4 Slip-on Exhaust KTM/HUS/GAS 250/350 (19-22) | 262532D320
SKU: 961-4414
$639.00

FMF Q4 Hex Stainless Steel SA Muffler Beta 350-480 RR | 045667
FMFFMF Q4 Hex Stainless Steel SA Muffler Beta 350-480 RR | 045667
SKU: 79-045667
$449.99
$427.49

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800-892-0550