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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BOLT Exhaust Hardware Kit BET.EX.2T13
BOLT
$26.99A quality exhaust system is only as reliable as its fastening components. This hardware kit eliminates common failure points—loose couplers, slipped silencers, and degraded seals—that can compromise both performance and longevity. Whether you're running...18602457- SKU:
- 18602457
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
$26.99 -
BOLT Exhaust Pipe Spring - 80 mm - 4-Pack 023-20280
BOLT
$13.00Exhaust pipe springs are critical for maintaining proper exhaust system alignment and preventing resonance vibration that can compromise performance and durability. These 80 mm springs isolate your exhaust from the chassis, reducing fatigue stress on...18602454- SKU:
- 18602454
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
$13.00 -
Pro Circuit 304 Silencer KTM 65 SX 2024-2025 1052465
PRO CIRCUIT
$205.95The Pro Circuit 304 Silencer delivers genuine noise reduction without sacrificing the exhaust flow your KTM 65 SX needs for competitive performance. Its extended body design effectively dampens sound while maintaining low back-pressure, making it...18212103- SKU:
- 18212103
- Availability:
- Ships Same Business Day
- Weight:
- 1.81 LBS
$205.95 -
Pro Circuit R-304 Silencer for KTM 65 SX 2024-2025 1152465
PRO CIRCUIT
$206.29The Pro Circuit R-304 Silencer delivers the performance exhaust characteristics your KTM 65 SX demands while maintaining street-legal sound levels and exceptional durability. Built with premium stainless steel and aluminum construction, this silencer...18212104- SKU:
- 18212104
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
$206.29 -
Pro Circuit Ti-2 Silencer KTM 65 SX 2024-2025 1152465K
PRO CIRCUIT
$446.95For closed-course racing, exhaust noise restriction is often non-negotiable—the Pro Circuit Ti-2 Silencer delivers track-legal sound dampening without sacrificing the power output your KTM 65 SX demands. By combining titanium construction with a carbon...18212105- SKU:
- 18212105
- Availability:
- Ships Same Business Day
- Weight:
- 1.41 LBS
$446.95 -
Pro Circuit 296 Silencer KTM 65 SX 2024-2025 1352465
PRO CIRCUIT
$202.95If you're running a KTM 65 SX, you know that peak performance and staying trail-legal aren't mutually exclusive. The Pro Circuit 296 Silencer delivers U.S. Forest Service approval while maintaining your bike's power output—no tuning adjustments needed...18212106- SKU:
- 18212106
- Availability:
- Ships Same Business Day
- Weight:
- 2.52 LBS
$202.95 -
Pro Circuit Works Pipe Exhaust System KTM 65 SX 2024-2025 0752465
PRO CIRCUIT
$322.95The Pro Circuit Works Pipe exhaust system is engineered to maximize exhaust scavenging and engine breathing on your KTM 65 SX, directly translating to sharper throttle response and improved power delivery in the powerband. Hand-welded construction and...18220552- SKU:
- 18220552
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
$322.95 -
Pro Circuit Platinum Pipe Exhaust System KTM 65 SX 2024-2025 0852465
PRO CIRCUIT
$337.95The Pro Circuit Platinum Pipe Exhaust System delivers measurable gains in exhaust scavenging and engine efficiency for your KTM 65 SX, translating to sharper throttle response and improved power delivery across the rev range. Hand-welded AKDQ carbon...18220553- SKU:
- 18220553
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
$337.95 -
MOOSE RACING Pipe Guard by E Line - Carbon Fiber MPG15024
MOOSE RACING
$187.00Exhaust pipe guards take the brunt of impacts during aggressive riding and racing, yet most aluminum options fail to distribute force effectively—leaving your exhaust system vulnerable to costly damage. The MOOSE RACING Pipe Guard by E Line uses...18611743- SKU:
- 18611743
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
$187.00 -
MOOSE RACING Heat Shield - Carbon Fiber BHS39023
MOOSE RACING
$187.00A 4-stroke header reaches temperatures that can damage gear, burn skin, and compromise durability through repeated thermal cycles. The MOOSE RACING Carbon Fiber Heat Shield BHS39023 provides a lightweight thermal barrier that protects both your bike and...18611744- SKU:
- 18611744
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$187.00 -
MOOSE RACING Pipe Guard by E Line - Carbon Fiber MPG12523C
MOOSE RACING
$187.00Exhaust pipe damage can sideline your bike and drain your wallet—this guard prevents costly repairs before they happen. The MOOSE RACING Pipe Guard combines antiballistic composite construction with a custom-molded fit to deliver protection that won't...18611740- SKU:
- 18611740
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
$187.00 -
MOOSE RACING Pipe Guard by E Line - Carbon Fiber MPG25023C
MOOSE RACING
$187.00Exhaust pipe guards protect your bike's most vulnerable component from impact damage during crashes and trail riding. The MOOSE RACING Carbon Fiber Pipe Guard uses advanced composite materials to absorb and distribute impact forces across a wider area...18611741- SKU:
- 18611741
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
$187.00 -
MOOSE RACING Pipe Guard by E Line - Carbon Fiber MPG25024PC
MOOSE RACING
$187.00Exhaust pipe damage is one of the most expensive repairs to address mid-season or mid-race, yet it's entirely preventable with proper protection. Moose Racing's carbon fiber pipe guard absorbs and distributes impact energy across a wider surface area...18611742- SKU:
- 18611742
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
$187.00 -
AKRAPOVIC Racing Line Exhaust System - Stainless Steel/Titanium - KX 250 S-K2MR9-BNTA
AKRAPOVIC
$1,188.00Track-focused performance demands an exhaust system engineered for both maximum power delivery and minimal weight penalty. The Akrapović Racing Line combines handcrafted precision with premium materials to unlock measurable horsepower gains while...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
$1,714.95If you're running a KX 250 on the track, weight savings and peak power delivery are non-negotiable. The Akrapović Evolution Line exhausts system delivers both—shedding unnecessary mass while unlocking additional horsepower through optimized scavenging...18202072- SKU:
- 18202072
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
$1,714.95 -
FMF Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Stainless Steel - KX 250 042413
FMF
$1,049.99The FMF Factory 4.1 RCT exhaust system delivers measurable power gains while reducing unsprung weight through a compact, centralized design that minimizes crash damage risk. By incorporating Resonance Chamber Technology both internally and externally,...18202083- SKU:
- 18202083
- Availability:
- Ships Same Business Day
- Weight:
- 13.10 LBS
$1,049.99 -
FMF Factory 4.1 RCT Exhaust System with Carbon Cap - MegaBomb Header - Titanium - KX 250 042414
FMF
$1,374.99The Factory 4.1 RCT delivers measurable power gains and weight savings through FMF's proprietary Resonance Chamber Technology, engineered specifically for the KX 250 to optimize exhaust scavenging and midrange response. By centralizing mass closer to the...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
$899.99If you're running a TF 250-X on the track, you know that exhaust dynamics directly impact power delivery and handling. The FMF Factory 4.1 RCT slip-on muffler delivers measurable gains through advanced resonance chamber technology while reducing unsprung...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
$399.99If you're running a KX 250 on closed courses, backpressure is costing you power and responsiveness. The FMF Powercore 4 Hex replaces restrictive stock exhaust with optimized flow dynamics, delivering measurable gains in both peak power and mid-range...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
$449.99If you're running endurance off-road courses or closed-course competition, you need a muffler that delivers measurable power gains without sacrificing reliability or regulatory compliance. The FMF Q4 Hex S/A slip-on keeps you competitive by reducing...18212162- SKU:
- 18212162
- Availability:
- Ships Same Business Day
- Weight:
- 7.80 LBS
$449.99
