Dirt Bike 4-Stroke Mufflers
Upgrade to 4-stroke mufflers engineered for maximum efficiency and sound control. These high-performance components enhance power delivery while delivering a smoother, quieter ride. Perfect for competitive racing or casual trail rides, our dirt bike 4-stroke mufflers ensure top-tier performance with lasting durability.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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FMF Powercore 4 Muffler 042122
FMF
$449.99The FMF Powercore 4 Muffler delivers measurable horsepower and torque gains across the entire power band without sacrificing durability or rideability. Whether you're pushing hard on the track or...18210671- SKU:
- 18210671
- Availability:
- Ships Same Business Day
- Weight:
- 6.55 LBS
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
$449.99Qty in Cart: 0Quantity:Price:$449.99Subtotal: -
FMF Powercore 4 Muffler 045135
FMF
$449.99The FMF Powercore 4 Muffler (045135) delivers measurable horsepower and torque gains across your entire power curve—not just at peak RPM—making usable power accessible whether you're cruising,...18210689- SKU:
- 18210689
- Availability:
- Ships Same Business Day
- Weight:
- 5.87 LBS
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP STYLE:
- CONICAL
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
$449.99Qty in Cart: 0Quantity:Price:$449.99Subtotal: -
FMF Q4 Muffler 041332
FMF
$379.99If you're running off-road and need to meet sound regulations without sacrificing performance, the FMF Q4 Muffler delivers championship-proven quiet power. Developed through years of competitive...18210887- SKU:
- 18210887
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- END CAP STYLE:
- CONICAL
- MODEL:
- Q4
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- MUFFLER COLOR/FINISH:
- RAW
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
$379.99 -
FMF PowerCore 4 HEX Muffler 043370
FMF
$449.99If you're looking to unlock measurable power and torque gains while maintaining reliability on the track or trail, the FMF PowerCore 4 HEX delivers the flow efficiency and durability you need. This...18211956- SKU:
- 18211956
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- END CAP MATERIAL:
- STAINLESS STEEL
- UNITS:
- EACH
- MODEL:
- POWERCORE 4 HEX
- MUFFLER COLOR/FINISH:
- RAW
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
$449.99Qty in Cart: 0Quantity:Price:$449.99Subtotal: -
FMF Powercore 4 Muffler 041048
FMF
$359.99If you're looking to unlock measurable performance gains without compromising durability, the FMF Powercore 4 Muffler delivers across the entire power curve—meaning usable power whether you're...FMF041048- SKU:
- FMF041048
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
- END CAP STYLE:
- CONICAL
- UNITS:
- EACH
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$359.99 -
FMF Powercore 4 Muffler 041036
FMF
$449.99If you're looking to unlock measurable power gains without compromising reliability or rideability, the FMF Powercore 4 Muffler delivers across the entire power curve. This exhaust upgrade provides...FMF041036- SKU:
- FMF041036
- Availability:
- Ships Same Business Day
- Weight:
- 6.45 LBS
- END CAP STYLE:
- CONICAL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- STYLE:
- MODULAR
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
$449.99Qty in Cart: 0Quantity:Price:$449.99Subtotal: -
FMF Powercore 4 Muffler 041023
FMF
$399.99If you're looking for measurable power gains without compromising durability or rideability, the FMF Powercore 4 delivers across the entire power band. This muffler increases both horsepower and...FMF041023- SKU:
- FMF041023
- Availability:
- Ships Same Business Day
- Weight:
- 6.16 LBS
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- OVAL
- TYPE:
- SLIP-ON
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- BASE COLOR:
- SILVER
- END CAP MATERIAL:
- STAINLESS STEEL
- END CAP STYLE:
- CONICAL
- STYLE:
- MODULAR
- UNITS:
- EACH
$399.99Qty in Cart: 0Quantity:Price:$399.99Subtotal: -
FMF Powercore 4 Muffler 041021
FMF
$449.99If you're looking to unlock measurable power gains across the entire RPM band, the FMF Powercore 4 Muffler delivers real horsepower and torque increases without sacrificing rideability or durability...FMF041021- SKU:
- FMF041021
- Availability:
- Ships Same Business Day
- Weight:
- 6.46 LBS
- BASE COLOR:
- SILVER
- END CAP STYLE:
- CONICAL
- STYLE:
- MODULAR
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- MUFFLER MATERIAL:
- ALUMINUM
- STYLE:
- OVAL
$449.99 -
FMF Factory 4.1 RCT Muffler - Aluminum 044427
FMF
$674.99The Factory 4.1 RCT transforms your exhaust system into a precision performance component, not just a silencer. By centralizing mass through Factory Forward Engineering and reducing overall length,...18211610- SKU:
- 18211610
- Availability:
- Ships Same Business Day
- Weight:
- 8.10 LBS
- PIPE MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- END CAP MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
$674.99Qty in Cart: 0Quantity:Price:$674.99Subtotal: -
On Sale
Pro Circuit T-5 Slip-On Exhaust for Kawasaki KLR650 2008-2015 0121365A
PRO CIRCUIT
MSRP: $590.95Now: $531.86Was: $590.95The Pro Circuit T-5 Slip-On Muffler delivers measurable gains in horsepower and throttle response while shedding unnecessary weight—critical for KLR650 riders who demand performance without...18211532- SKU:
- 18211532
- Availability:
- Ships Same Business Day
- Weight:
- 13.05 LBS
- FEATURES:
- WITH SPARK ARRESTOR
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- SLIP-ON
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- SILENCER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- MODEL:
- T-5
MSRP: $590.95Now: $531.86Was: $590.95Qty in Cart: 0Quantity:Price:MSRP: $590.95Now: $531.86Was: $590.95Subtotal:
