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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FMF Exhaust O-Rings 014886
FMF
$9.99FMF exhaust O-rings are critical wear items that prevent exhaust gas leaks and maintain system integrity under high-temperature cycling. These seals are engineered to withstand repeated thermal stress, ensuring your exhaust system performs reliably...18602402- SKU:
- 18602402
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$9.99 -
FMF Exhaust O-Rings 014889
FMF
$9.99FMF exhaust O-rings are critical sealing components that prevent exhaust leaks at connection points, maintaining back-pressure and system efficiency. Over time, O-rings degrade from heat cycling and thermal stress, compromising your exhaust system's...18602405- SKU:
- 18602405
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$9.99 -
On Sale
FMF Exhaust O-Rings 014893
FMF
MSRP: $9.99Now: $8.00Was: $9.99A leaking exhaust system undermines performance and creates safety hazards. FMF Exhaust O-Rings maintain a perfect seal at critical connection points, preventing exhaust gas leakage and ensuring your system operates at peak efficiency. These OEM-quality...18602409- SKU:
- 18602409
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
MSRP: $9.99Now: $8.00Was: $9.99 -
On Sale
FMF Exhaust O-Rings 014894
FMF
MSRP: $9.99Now: $8.00Was: $9.99Exhaust O-ring seals deteriorate over time due to heat cycling and vibration, leading to exhaust leaks that compromise performance and create unwanted noise. FMF Exhaust O-Rings 014894 are direct replacements engineered to withstand extreme temperatures...18602410- SKU:
- 18602410
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $9.99Now: $8.00Was: $9.99 -
On Sale
FMF Exhaust O-Rings 014895
FMF
MSRP: $9.99Now: $8.00Was: $9.99Exhaust O-ring degradation is one of the most common culprits behind exhaust leaks and performance loss in high-performance systems. FMF Exhaust O-Rings (MPN: 014895) provide a critical seal at connection points, preventing unmetered air intrusion that...18602411- SKU:
- 18602411
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
MSRP: $9.99Now: $8.00Was: $9.99 -
On Sale
FMF Exhaust O-Rings 014890
FMF
MSRP: $9.99Now: $8.00Was: $9.99Exhaust leaks compromise performance and create costly engine damage—a quality seal is non-negotiable. FMF Exhaust O-Rings 014890 deliver a reliable, temperature-resistant seal that prevents bypass and maintains optimal exhaust scavenging. Replace worn...18602406- SKU:
- 18602406
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $9.99Now: $8.00Was: $9.99 -
On Sale
FMF Q Series Silencer 025298
FMF
MSRP: $219.99Now: $187.00Was: $219.99If you're running a machine that demands both legal compliance and genuine performance, the FMF Q Series Silencer doesn't force you to choose between them. The proprietary oval canister design maintains optimal exhaust flow while delivering serious sound...18212083- SKU:
- 18212083
- Availability:
- Ships Same Business Day
- Weight:
- 3.23 LBS
MSRP: $219.99Now: $187.00Was: $219.99 -
On Sale
FMF Gold Series Fatty* Pipe 025297
FMF
MSRP: $299.99Now: $255.00Was: $299.99If you're looking to unlock more usable power across the RPM range while gaining finer throttle control, the FMF Gold Series Fatty Pipe delivers the reliability that serious riders demand. This exhaust component is engineered to optimize flow...18202036- SKU:
- 18202036
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
MSRP: $299.99Now: $255.00Was: $299.99 -
Pro Circuit Exhaust Flange for Honda CR250R 2003-2004 141001
PRO CIRCUIT
$39.95A properly sealed exhaust flange is critical to maximizing scavenging efficiency and preventing boost leak on your CR250R—even small gaps can rob you of measurable horsepower. The Pro Circuit Exhaust Flange for 2003-2004 Honda CR250R delivers a precision...18602416- SKU:
- 18602416
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$39.95 -
Pro Circuit 304 Silencer KTM 125 SX 2023-2025 1052312
PRO CIRCUIT
$205.95If you're running a KTM 125 SX in a competition or practice environment where noise restrictions apply, the Pro Circuit 304 Silencer delivers track-legal sound levels without sacrificing the exhaust scavenging characteristics your engine needs. The...18212075- SKU:
- 18212075
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
$205.95 -
Pro Circuit 304 Silencer KTM 250 SX 2023 1052325
PRO CIRCUIT
$205.95If you're running a KTM 250 SX and want serious noise reduction without sacrificing performance, the Pro Circuit 304 Silencer delivers both. This purpose-built silencer combines lightweight construction with smart engineering to lower your acoustic...18212076- SKU:
- 18212076
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
$205.95 -
Pro Circuit R-304 Silencer for 2023-2024 KTM 125 SX 1152312
PRO CIRCUIT
$206.29The Pro Circuit R-304 Silencer delivers the performance you need without sacrificing durability or sound control. Purpose-built for the 2023-2024 KTM 125 SX, this exhaust silencer combines lightweight construction with corrosion-resistant materials to...18212077- SKU:
- 18212077
- Availability:
- Ships Same Business Day
- Weight:
- 2.26 LBS
$206.29 -
Pro Circuit Ti-2 Silencer KTM 125 SX 2023-2025 1152312K
PRO CIRCUIT
$446.95The Pro Circuit Ti-2 Silencer is engineered to maximize exhaust scavenging on your 2023-2025 KTM 125 SX, delivering measurable horsepower and torque gains while keeping noise levels compliant with track and trail regulations. A titanium construction...18212078- SKU:
- 18212078
- Availability:
- Ships Same Business Day
- Weight:
- 1.86 LBS
$446.95 -
Pro Circuit R-304 Silencer for KTM 250 SX 2023-2024 1152325
PRO CIRCUIT
$206.29The Pro Circuit R-304 Silencer delivers the exhaust flow and sound profile you need to maximize your KTM 250 SX's power output while maintaining durability through seasons of aggressive riding. Built with 304 stainless steel and precision welding, this...18212079- SKU:
- 18212079
- Availability:
- Ships Same Business Day
- Weight:
- 2.31 LBS
$206.29 -
Pro Circuit Ti-2 Silencer KTM 250 SX 2023-2024 1152325K
PRO CIRCUIT
$446.95The Pro Circuit Ti-2 Silencer delivers the power gains you need without sacrificing street legality or rider comfort. Built with premium titanium construction, this exhaust component reduces backpressure while meeting noise regulations—giving you...18212080- SKU:
- 18212080
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
$446.95 -
Pro Circuit Type 296 Spark Arrestor Silencer KTM 125 SX 2023-2025 1352312
PRO CIRCUIT
$202.95The Pro Circuit Type 296 Spark Arrestor Silencer is engineered to extract maximum exhaust flow on the 2023-2025 KTM 125 SX, translating directly to improved power delivery and throttle response when it matters most. By reducing unsprung weight at the...18212081- SKU:
- 18212081
- Availability:
- Ships Same Business Day
- Weight:
- 3.92 LBS
$202.95 -
Pro Circuit Type 296 Spark Arrestor Silencer for KTM 250 SX 2023-2024 1352325
PRO CIRCUIT
$202.95If you're running a KTM 250 SX, stock exhaust noise limits track time and trail access—the Pro Circuit Type 296 Spark Arrestor Silencer delivers race-proven noise reduction without sacrificing peak performance. This bolt-on upgrade optimizes exhaust...18212082- SKU:
- 18212082
- Availability:
- Ships Same Business Day
- Weight:
- 3.77 LBS
$202.95 -
Pro Circuit Works Pipe KTM 125 SX 2023-2024 0752312
PRO CIRCUIT
$337.95The Pro Circuit Works Pipe delivers measurable performance gains through optimized exhaust flow and proven thermal management—critical factors for extracting maximum power from your KTM 125 SX. Hand-welded construction and reinforced mounting ensure this...18220541- SKU:
- 18220541
- Availability:
- Ships Same Business Day
- Weight:
- 5.80 LBS
$337.95 -
Pro Circuit Platinum Pipe KTM 125 SX 2023-2025 0852312
PRO CIRCUIT
$352.95Stock exhaust systems limit your KTM 125 SX's potential—restrictive flow robs you of horsepower and throttle response when you need it most. The Pro Circuit Platinum Pipe delivers measurable improvements in scavenging efficiency and peak power, while...18220544- SKU:
- 18220544
- Availability:
- Ships Same Business Day
- Weight:
- 4.45 LBS
$352.95 -
MOOSE RACING Adventure Bike Universal Heat Shield - 3" x 6" PFD1325PF
MOOSE RACING
$32.95Adventure riding exposes your bike to extreme heat conditions, and unprotected side panels or gear bags melting into your exhaust isn't just uncomfortable—it's a safety hazard that can derail your trip. This universal heat shield provides a simple,...18611726- SKU:
- 18611726
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$32.95
