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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
FMF MegaBomb Header - Titanium - KX 250 F 042408
FMF
$474.99The FMF MegaBomb Header for the Kawasaki KX 250 F delivers measurable gains in mid-range torque and peak horsepower by optimizing exhaust scavenging and reducing back-pressure. Its titanium construction provides superior heat resistance and durability...18220578- 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
$82.45If you're running your CRF250R or RX on a racetrack with strict noise ordinances, this AKRAPOVIĆ Evolution Line Noise Damper Insert is your compliance solution without sacrificing the performance exhaust system you've already invested in. Rather than...18611804- 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
$82.45If you're running your YZ250F, YZ250FX, or YZ450F on a racetrack with strict noise regulations, this Akrapovic Noise Damper Insert is essential to stay compliant without sacrificing your bike's exhaust flow characteristics. The Evolution Line damper...18611805- SKU:
- 18611805
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
$82.45 -
AKRAPOVIC Noise Damper Insert - Evolution Line - KX450/KX450X V-TUV385
AKRAPOVIC
$82.45If you're running your KX450 or KX450X on a racetrack with noise restrictions, compliance doesn't mean sacrificing performance. The AKRAPOVIC Noise Damper Insert for the Evolution Line is engineered to bring your exhaust output down to the required...18611806- SKU:
- 18611806
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
$82.45 -
Pro Circuit KX 65 2002-2024 Exhaust Kit Combo R304 Works Pipe PCKX650224W
PRO CIRCUIT
$5.00If you're serious about extracting maximum power from your KX 65, the Pro Circuit Works Pipe and R-304 Silencer Combo is the exhaust upgrade that delivers measurable gains across the entire RPM range. Hand-welded AKDQ carbon steel construction paired...PCKX650224W- SKU:
- PCKX650224W
- Availability:
- Ships same business day
- Weight:
- 5.00 LBS
$5.00 -
Pro Circuit Works Pipe R-304 Silencer Combo Yamaha YZ125 2002-2021 PCYZ1250221W
PRO CIRCUIT
$5.00The Pro Circuit Works Pipe R-304 Silencer Combo is engineered to unlock measurable gains in horsepower and torque across your YZ125's entire power band while maintaining the reliability you need on the track. Hand-welded construction and premium carbon...PCYZ1250221W- SKU:
- PCYZ1250221W
- Availability:
- Ships same business day
- Weight:
- 5.00 LBS
$5.00 -
Pro Circuit Yamaha YZ65 2019-2023 Exhaust Kit R-304 Works Pipe 1131865
PRO CIRCUIT
$5.00If you're serious about extracting every ounce of performance from your YZ65, the Pro Circuit Works Pipe and R-304 Silencer combo is the exhaust system purpose-built to deliver. This hand-welded, precision-engineered setup unlocks measurable gains in...PCYZ651923W- SKU:
- PCYZ651923W
- Availability:
- Ships same business day
- Weight:
- 5.00 LBS
$5.00 -
Pro Circuit Works Pipe Yamaha YZ85 2002-2018 R304 Silencer Combo PY02085
PRO CIRCUIT
$5.00If you're serious about extracting maximum power from your YZ85, the Pro Circuit Works Pipe and R-304 Silencer Combo delivers measurable gains across the entire RPM band—exactly what you need to stay competitive on the track. This hand-welded system is...PCYZ850218W- SKU:
- PCYZ850218W
- Availability:
- Ships same business day
- Weight:
- 5.00 LBS
$5.00 -
Bills Pipes YZ 250 02-22 Carbon MX2 Silencer YS-24C
BILLS PIPES
$289.99If you're running a YZ 250 and want to shed rotational mass without compromising durability, the Bills Pipes MX2 Silencer delivers the weight savings and acoustic character that 2-stroke racers demand. The carbon fiber construction cuts unnecessary bulk...YS-24C- SKU:
- YS-24C
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$289.99 -
Bills Pipes YZ 250 02-22 MX2 Silencer YS-24
BILLS PIPES
$189.99The YZ 250 demands an exhaust system that matches the bike's responsiveness and lightweight design. Bills Pipes' MX2 Silencer delivers aggressive 2-stroke character while maintaining the durability you need for consistent track performance or trail abuse...YS-24- SKU:
- YS-24
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$189.99 -
Bills Pipes YZ 250 02-22 MX2 Nickel Pipe Y-23N
BILLS PIPES
$299.99Bill's Pipes MX2 exhaust systems have powered championship-winning YZ 250s for decades—and this nickel-plated version delivers proven horsepower and torque gains across the entire power band. Hand-welded construction ensures precise fitment and...Y-23N- SKU:
- Y-23N
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes YZ 125 02-21 MX2 Silencer YS-15
BILLS PIPES
$189.99Shave weight off your YZ 125 without sacrificing durability or that unmistakable 2-stroke bark. The Bills Pipes MX2 Silencer delivers measurable performance gains through precision engineering and USA-made craftsmanship, while its reinforced construction...YS-15- SKU:
- YS-15
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$189.99 -
Bills Pipes YZ 125 02-21 MX2 Nickel Pipe Y-15N
BILLS PIPES
$299.99Bill's Pipes MX2 exhaust system delivers measurable horsepower and torque gains across the entire power band—essential for riders demanding peak performance from their YZ 125. Hand-welded construction and precision engineering ensure consistent fit and...Y-15N- SKU:
- Y-15N
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes YZ 85 2019-22 MX2 Nickel Pipe Y-89N
BILLS PIPES
$299.99If you're running a YZ 85 and want measurable gains in mid-range and top-end power, a quality exhaust pipe is one of the most cost-effective upgrades available. Bill's Pipes MX2 delivers real horsepower and torque improvements across the power band while...Y-89N- SKU:
- Y-89N
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes YZ 85 2019-22 MX2 Works Pipe Y-89
BILLS PIPES
$299.99Bill's Pipes engineered the MX2 exhaust system to extract maximum horsepower and torque from your YZ 85, delivering measurable performance gains across the entire rev range. The hand-welded construction and 19-gauge AKDQ carbon steel deliver the...Y-89- SKU:
- Y-89
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes YZ-85 02-19 Carbon MX2 Silencer YS-82C
BILLS PIPES
$289.99The Bills Pipes YZ-85 MX2 Silencer delivers a noticeable power gain through optimized exhaust scavenging while maintaining the authentic 2-stroke character that defines dirt bike riding. If you're running a YZ-85 and want measurable performance without...YS-82C- SKU:
- YS-82C
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$289.99 -
Bills Pipes YZ 85 02-19 MX2 Silencer YS-82
BILLS PIPES
$189.99The Bills Pipes MX2 Silencer delivers the classic 2-stroke bark you're after while keeping rotating mass minimal—critical for a machine as responsive as the YZ 85. Hand-crafted construction and premium materials mean you're getting durability that...YS-82- SKU:
- YS-82
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$189.99 -
Bills Pipes YZ 85 02-18 MX2 Nickel Pipe Y-82N
BILLS PIPES
$299.99The Bill's Pipes MX2 Nickel Pipe delivers measurable gains across your YZ 85's entire power band by optimizing exhaust scavenging and reducing backpressure. Hand-welded construction ensures precise port timing and a fit so dialed that installation is...Y-82N- SKU:
- Y-82N
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes YZ 85 02-18 MX2 Works Pipe Y-82
BILLS PIPES
$299.99The Bill's Pipes MX2 Works Pipe delivers measurable horsepower and torque gains across your YZ 85's entire power band, translating to quicker acceleration and stronger mid-range response on the track. Hand-welded construction and precision engineering...Y-82- SKU:
- Y-82
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes YZ 65 2018-22 Carbon MX2 Silencer YS-68C
BILLS PIPES
$289.99Shave unsprung weight off your YZ 65 while unlocking the authentic 2-stroke bark that stock silencers suppress. The MX2 delivers measurable performance gains through its carbon fiber construction and optimized exhaust flow, all while maintaining the...YS-68C- SKU:
- YS-68C
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$289.99
