Dirt Bike Exhaust
Dirt Bike Exhaust Systems at JJ Motorsports
Unlock your dirt bike's potential with high-performance exhaust systems from JJ Motorsports. From slip-on mufflers to full exhaust kits, these components boost horsepower, reduce weight, and deliver aggressive sound for the track or trail. Designed for durability and easy installation, our exhausts ensure better throttle response and emissions compliance while enhancing your ride's style.
Shop trusted brands like Pro Circuit for competition pipes and FMF for titanium systems. Explore related categories such as Dirt Bike Air and Fuel for intake pairing or Dirt Bike Engine for power upgrades.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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MOOSE RACING Pipe Guard by E Line - Carbon Fiber MPG12523C
MOOSE RACING
$182.95Pipe Guard by E Line - MPG12523C Exceptional protection with advanced carbon fiber construction. Custom molded design ensures a perfect fit for your bike. Made from antiballistic composite material for superior durability. Fiberglass and...18611740- SKU:
- 18611740
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
$182.95 -
MOOSE RACING Pipe Guard by E Line - Carbon Fiber MPG25023C
MOOSE RACING
$182.95Pipe Guard by E Line - Carbon Fiber Moose Racing pipe guards offer the most protection, style and durability on the market, Custom molded to fit perfectly every time, Antiballistic composite material, fiberglass, and high temp resins yield an exceptional...18611741- SKU:
- 18611741
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
$182.95 -
MOOSE RACING Pipe Guard by E Line - Carbon Fiber MPG25024PC
MOOSE RACING
$182.95Pipe Guard by E Line - Carbon Fiber Moose Racing pipe guards offer the most protection, style and durability on the market, Custom molded to fit perfectly every time, Antiballistic composite material, fiberglass, and high temp resins yield an exceptional...18611742- SKU:
- 18611742
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
$182.95 -
AKRAPOVIC Racing Line Exhaust System - Stainless Steel/Titanium - KX 250 S-K2MR9-BNTA
AKRAPOVIC
$1,188.00Racing Line Exhaust System - Stainless Steel/Titanium - KX 250 High-quality exhaust system made from stainless steel tubes and a titanium muffler outer sleeve with precision handcrafted and attention to detail, Its unique design yields the maximum output...18202071- SKU:
- 18202071
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
$1,188.00 -
AKRAPOVIC Evolution Line Exhaust System - Titanium/Titanium - KX 250 S-K2MET9-BNTA
AKRAPOVIC
$1,470.70Evolution Line Exhaust System - Titanium/Titanium - KX 250 The flagship of the Akrapovic exhaust system range, used and tested by our top factory teams in motorcycle racing, Unique and dedicated to maximizing the engine*s performance, while reducing...18202072- SKU:
- 18202072
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
$1,470.70 -
FMF Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Stainless Steel - KX 250 042413
FMF
$1,049.99Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Stainless Steel - KX 250 Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology* both internally and externally, Achieves a shorter overall length that is less susceptible to...18202083- SKU:
- 18202083
- Availability:
- Ships Same Business Day
- Weight:
- 13.10 LBS
$1,049.99Qty in Cart: 0Quantity:Price:$1,049.99Subtotal: -
FMF Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Titanium - KX 250 042414
FMF
$1,374.99Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Titanium - KX 250 Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology* both internally and externally, Achieves a shorter overall length that is less susceptible to crash...18202084- SKU:
- 18202084
- Availability:
- Ships Same Business Day
- Weight:
- 11.80 LBS
$1,374.99 -
FMF Factory 4.1 RCT Slip-On Muffler with Carbon Cap - Titanium Anodized - TF 250-X 045695
FMF
$899.99Factory 4.1 RCT Slip-On Muffler with Carbon Cap - Titanium Anodized - TF 250-X Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology* both internally and externally, Achieves a shorter overall length that is less susceptible to crash damage...18212160- SKU:
- 18212160
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
$899.99 -
FMF Powercore 4 Hex Slip-On Muffler - KX 250 042409
FMF
$399.99Powercore 4 Hex Slip-On Muffler - KX 250 Overall increase in power and torque, Internal shape of core uses Hi-Flo technology, Space age internal packing material for maximum longevity, Durable stainless steel and aluminum construction, Enhanced sonic...18212161- SKU:
- 18212161
- Availability:
- Ships Same Business Day
- Weight:
- 6.45 LBS
$399.99 -
FMF Q4 Hex S/A Slip-On Muffler - KX 250 042410
FMF
$449.99Q4 Hex S/A Slip-On Muffler - KX 250 Power gains throughout the entire rpm range, Meets USFS and FIM World Enduro sound regulations, Less sound equals more ground, Spark arrestor included, Rugged design for off-road endurance, Made in the USA, For closed...18212162- SKU:
- 18212162
- Availability:
- Ships Same Business Day
- Weight:
- 7.80 LBS
$449.99 -
FMF Factory 4.1 RCT Slip-On Muffler with Carbon Cap - Aluminum - KX 250 042411
FMF
$674.99Factory 4.1 RCT Slip-On Muffler with Carbon Cap - Aluminum - KX 250 Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology* both internally and externally, Achieves a shorter overall length that is less susceptible to crash damage and...18212163- SKU:
- 18212163
- Availability:
- Ships Same Business Day
- Weight:
- 7.50 LBS
$674.99 -
FMF Factory 4.1 RCT Slip-On Muffler with Carbon Cap - Anodized Titanium - KX 250 042412
FMF
$899.99Factory 4.1 RCT Slip-On Muffler with Carbon Cap - Anodized Titanium - KX 250 Factory 4.1 RCT incorporates the FMF Resonance Chamber Technology* both internally and externally, Achieves a shorter overall length that is less susceptible to crash damage and...18212164- SKU:
- 18212164
- Availability:
- Ships Same Business Day
- Weight:
- 6.20 LBS
$899.99 -
FMF MegaBomb Header - Titanium - TF 250-X 045693
FMF
$474.99MegaBomb Header - Titanium - TF 250-X For closed course competition use only.18220576- SKU:
- 18220576
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
$474.99 -
FMF MegaBomb Header - Stainless Steel - KX 250 F 042407
FMF
$374.99FMF MegaBomb Header - Stainless Steel - KX 250 F18220577- SKU:
- 18220577
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
$374.99 -
FMF MegaBomb Header - Titanium - KX 250 F 042408
FMF
$474.99FMF MegaBomb Header - Titanium - KX 250 F18220578- SKU:
- 18220578
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
$474.99 -
AKRAPOVIC Noise Damper Insert - Evolution Line - 109dB - CRF250R/RX V-TUV387
AKRAPOVIC
$82.45Noise Damper Insert - Evolution Line - 109dB - CRF250R/RX Optional noise damper for the Evolution Line, Specially developed for use on racetracks where 109dB/A noise levels are required18611804- SKU:
- 18611804
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
$82.45 -
AKRAPOVIC Noise Damper Insert - Evolution Line - 109dB - YZ250F/YZ250FX/YZ450F V-TUV386
AKRAPOVIC
$82.45Noise Damper Insert - Evolution Line - 109dB - YZ250F/YZ250FX/YZ450F Optional noise damper for the Evolution Line, Specially developed for use on racetracks where 109dB/A noise levels are required18611805- SKU:
- 18611805
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
$82.45 -
AKRAPOVIC Noise Damper Insert - Evolution Line - KX450/KX450X V-TUV385
AKRAPOVIC
$82.45Noise Damper Insert - Evolution Line - KX450/KX450X Optional noise damper for the Evolution Line, Specially developed for use on racetracks where 109dB/A noise levels are required18611806- SKU:
- 18611806
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
$82.45 -
AKRAPOVIC Evolution Line Exhaust System - Titanium - CRF450R/CRF450RX S-H4E1-FDHLT
AKRAPOVIC
$1,973.35Evolution Line Exhaust System - Titanium - CRF450R/CRF450RX Tailor-made to fit the limited space available within the motorcycle, this system combines performance and durability for extreme conditions and the rigors of off-road racing, Constructed from...18202089- SKU:
- 18202089
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
$1,973.35 -
On Sale
Pro Circuit KX 65 2002-2024 Exhaust Kit Combo R304 Works Pipe PCKX650224W
PRO CIRCUIT
Now: $4.40Was: $5.00Pipe Description: Experience unmatched performance and power with the Pro Circuit Works Pipe, specifically designed for two-stroke applications. This pipe enhances horsepower and torque across the entire RPM range, ensuring you feel the difference in...PCKX650224W- SKU:
- PCKX650224W
- Availability:
- Ships same business day
- Weight:
- 5.00 LBS
Now: $4.40Was: $5.00
