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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AKRAPOVIC Exhaust System - Titanium S-H2MET13-FDHLTA
AKRAPOVIC
$1,932.65If you're serious about extracting maximum power from your motorcycle while keeping rotational mass to a minimum, the AKRAPOVIĆ Titanium Exhaust System S-H2MET13-FDHLTA is engineered to deliver measurable gains in both performance and handling. By...18202011- SKU:
- 18202011
- Availability:
- Ships Same Business Day
- Weight:
- 10.60 LBS
$1,932.65 -
MOOSE OFFROAD Spark Arrestor End Cap 40-4021
MOOSE OFFROAD
$119.95Off-road riding demands reliable exhaust safety equipment that won't compromise performance or drain your budget. The MOOSE OFFROAD Spark Arrestor End Cap replaces your stock silencer with a cost-effective solution that includes an integrated screen-type...18611622- SKU:
- 18611622
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
$119.95 -
MOOSE OFFROAD Spark Arrestor End Cap 40-4115
MOOSE OFFROAD
$119.95Closed-course and off-road riders need reliable spark arrestor protection without the cost and hassle of maintaining multiple silencers. The MOOSE OFFROAD Spark Arrestor End Cap 40-4115 delivers easy serviceability with its screen-type design—simply...18611623- SKU:
- 18611623
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$119.95 -
MOOSE OFFROAD Spark Arrestor End Cap 40-5011
MOOSE OFFROAD
$119.95A spark arrestor end cap isn't just a compliance requirement—it's essential maintenance for keeping your off-road bike running clean and protecting against unintended fires on closed courses. The MOOSE OFFROAD 40-5011 replaces your stock silencer with a...18611624- SKU:
- 18611624
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$119.95 -
MOOSE OFFROAD Spark Arrestor End Cap 40-9020
MOOSE OFFROAD
$119.95If you run your bike on both closed-course and off-road terrain, carrying two separate silencers isn't practical—or cost-effective. The MOOSE OFFROAD Spark Arrestor End Cap 40-9020 delivers full spark arrestor functionality as a bolt-on replacement,...18611625- SKU:
- 18611625
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
$119.95 -
MOOSE OFFROAD Heat Shield - Carbon Fiber MHS50024
MOOSE OFFROAD
$162.95Excessive underbody heat damages vital components, degrades performance, and shortens the lifespan of critical systems. The MOOSE OFFROAD Heat Shield deflects radiant engine and exhaust heat away from sensitive areas, protecting fuel lines, wiring...18611789- SKU:
- 18611789
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$162.95 -
MOOSE RACING Replacement Spark Arrestor Screen Kit 40-146
MOOSE RACING
$31.95If you're running off-road equipment in USFS-regulated areas, a compliant spark arrestor isn't optional—it's required. The MOOSE RACING Replacement Spark Arrestor Screen Kit 40-146 gives you USFS-approved protection without fabrication or modifications...18611645- SKU:
- 18611645
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$31.95 -
FMF 4.1 RCT Exhaust System 041612
FMF
$1,049.99The FMF 4.1 RCT Exhaust System delivers measurable power gains while reducing unsprung weight through centralized mass positioning—a critical advantage in competitive riding and track applications. By incorporating Resonance Chamber Technology both...18202002- SKU:
- 18202002
- Availability:
- Ships Same Business Day
- Weight:
- 14.00 LBS
$1,049.99 -
FMF 4.1 RCT Exhaust System 041613
FMF
$1,374.99The FMF 4.1 RCT Exhaust System delivers measurable performance gains through advanced sound chamber design while reducing overall weight and improving chassis balance. Its compact profile minimizes vulnerability to impact damage during aggressive riding,...18202003- SKU:
- 18202003
- Availability:
- Ships Same Business Day
- Weight:
- 11.70 LBS
$1,374.99 -
FMF Exhaust Fatty Pipe 024076
FMF
$299.99The FMF Exhaust Fatty Pipe delivers measurable gains in low-to-mid-range power while sharpening throttle response for more predictable engine behavior. A larger pipe diameter reduces exhaust scavenging losses, allowing your engine to breathe more...18202012- SKU:
- 18202012
- Availability:
- Ships Same Business Day
- Weight:
- 3.60 LBS
$299.99 -
FMF Exhaust Factory Fatty Pipe 024077
FMF
$299.99The FMF Factory Fatty Pipe delivers measurable flow improvements through precision hand-pounded seams that eliminate turbulence at critical transition points. Built from lightweight 20-gauge steel with a reinforced 19-gauge header, this exhaust pipe...18202013- SKU:
- 18202013
- Availability:
- Ships Same Business Day
- Weight:
- 3.70 LBS
$299.99 -
FMF Exhaust Factory Fatty Rev Pipe 024078
FMF
$299.99If you're chasing mid-to-top-end power delivery without sacrificing reliability, the FMF Exhaust Factory Fatty Rev Pipe is engineered specifically for that mission. This dyno and track-tested system maximizes performance in the RPM range where it matters...18202014- SKU:
- 18202014
- Availability:
- Ships Same Business Day
- Weight:
- 3.65 LBS
$299.99 -
FMF Gnarly* Exhaust Pipe 025280
FMF
$299.99The FMF Gnarly Exhaust Pipe delivers responsive power where it matters most—in the low and mid-range RPM band where you need tractability and control on technical terrain. Whether you're navigating tight track sections or tackling demanding off-road...18202015- SKU:
- 18202015
- Availability:
- Ships Same Business Day
- Weight:
- 5.70 LBS
$299.99 -
FMF 4.1 RCT Slip-On Muffler 041610
FMF
$674.99If you're looking to unlock measurable horsepower gains without sacrificing reliability, the FMF 4.1 RCT Slip-On Muffler delivers real performance improvements across the entire RPM band. The Rapid Tuning System (RTS) allows you to dial in optimal power...18212052- SKU:
- 18212052
- Availability:
- Ships Same Business Day
- Weight:
- 8.06 LBS
$674.99 -
FMF 4.1 RCT Slip-On Muffler 041611
FMF
$899.99If you're serious about extracting maximum performance from your machine, the FMF 4.1 RCT Slip-On Muffler delivers measurable power gains across the entire RPM band without compromise. The new Rapid Tuning System (RTS) lets you dial in your exhaust note...18212053- SKU:
- 18212053
- Availability:
- Ships Same Business Day
- Weight:
- 6.72 LBS
$899.99 -
FMF Powercore 2 Muffler 024079
FMF
$199.99If you're running a 2-stroke machine and leaving performance on the table, your exhaust system is likely the culprit. The FMF Powercore 2 Muffler delivers measurable gains in power and throttle response by optimizing exhaust scavenging through its...18212055- SKU:
- 18212055
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
$199.99 -
FMF Turbinecore 2 Muffler 024081
FMF
$219.99If you're serious about extracting maximum power from your machine without compromising durability, the FMF Turbinecore 2 Muffler delivers track-proven performance through its straight-through design and optimized flow characteristics. Built for riders...18212057- SKU:
- 18212057
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
$219.99 -
FMF Powercore 2 Muffler 025281
FMF
$199.99If you're running a 2-stroke, the Powercore 2 Muffler delivers measurable performance gains through optimized exhaust scavenging while keeping weight minimal—critical for machines where every pound matters. The stainless steel end cap and front stinger...18212063- SKU:
- 18212063
- Availability:
- Ships Same Business Day
- Weight:
- 3.06 LBS
$199.99 -
FMF Turbinecore 2 Muffler 025282
FMF
$219.99The FMF Turbinecore 2 Muffler delivers the exhaust flow you need to unlock your engine's full potential without sacrificing sound control. Its straight-through design minimizes backpressure while the Turbine Dampening System keeps noise levels compliant,...18212064- SKU:
- 18212064
- Availability:
- Ships Same Business Day
- Weight:
- 3.48 LBS
$219.99 -
FMF Megabomb Header 041606
FMF
$374.99The FMF Megabomb Header 041606 delivers aggressive exhaust scavenging and increased horsepower by optimizing exhaust flow dynamics from your engine's combustion chamber. This complete bolt-on system eliminates the guesswork with all necessary components...18220527- SKU:
- 18220527
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
$374.99
