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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- Price
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Bills Pipes RM 250 04-08 MX2 Works Pipe S-25
BILLS PIPES
$299.99The Bill's Pipes RM 250 MX2 Works Pipe S-25 is engineered to unlock measurable horsepower and torque across your entire powerband, translating directly to faster acceleration and more responsive throttle control on the track. Hand-welded construction...S-25- SKU:
- S-25
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes RM 125 03-07 MX2 Nickel Pipe S-16N
BILLS PIPES
$299.99The Bill's Pipes MX2 exhaust pipe is purpose-built to unlock measurable horsepower and torque gains across your RM 125's entire power band. Hand-welded construction and precision engineering deliver the championship-winning performance that has made...S-16N- SKU:
- S-16N
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes RM 125 03-07 MX2 Works Pipe S-16
BILLS PIPES
$299.99The Bill's Pipes MX2 Works Pipe S-16 is purpose-built to unlock measurable power gains across your entire RPM range, delivering the horsepower and torque response that separates competitive riders from the rest. Hand-crafted in the USA with meticulous...S-16- SKU:
- S-16
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes RM 85 02-21 MX2 Silencer SS-82
BILLS PIPES
$189.99The Bills Pipes MX2 Silencer delivers genuine performance gains for RM 85 two-strokes while shedding unnecessary weight—critical when every tenth of a second counts on the track. Its 6061 T-6 aluminum construction and 304 stainless steel internals resist...SS-82- SKU:
- SS-82
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$189.99 -
Bills Pipes RM 85 02-21 MX2 Nickel Pipe S-82N
BILLS PIPES
$299.99The Bill's Pipes MX2 Pipe S-82N is engineered to unlock measurable power gains across your entire RPM range, delivering the responsiveness and torque your RM 85 demands on the track. Hand-welded construction ensures a precise fit and superior durability,...S-82N- SKU:
- S-82N
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes RM 85 02-21 MX2 Works Pipe S-82
BILLS PIPES
$299.99The Bill's Pipes MX2 Works Pipe delivers measurable horsepower and torque gains across the entire power band—giving you the edge in competition or on the trail. Hand-welded construction and precision engineering ensure consistent performance and...S-82- SKU:
- S-82
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes 65 SX 16-18 Carbon MX2 Silencer KTS-66C
BILLS PIPES
$289.99The Bills Pipes MX2 Silencer delivers a measurable reduction in weight while maintaining the aggressive 2-stroke character your bike demands. By pairing a carbon fiber shell with a 304 stainless steel mid-pipe and durable glass packing, you get a...KTS-66C- SKU:
- KTS-66C
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$289.99 -
Bills Pipes 65 SX 16-18 MX2 Silencer KTS-66
BILLS PIPES
$189.99The Bills Pipes MX2 Silencer delivers measurable performance gains through weight reduction and optimized exhaust scavenging, critical for 65cc racers pushing competitive lap times. Its lightweight construction and durable materials preserve the...KTS-66- SKU:
- KTS-66
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$189.99 -
Bills Pipes 65 SX 16-18 MX2 Nickel Pipe KT-66N
BILLS PIPES
$299.99If you're serious about extracting maximum performance from your 65 SX 16-18, the Bill's Pipes MX2 nickel pipe is the proven upgrade that separates competitive riders from the rest. Hand-welded in the USA with championship-proven geometry, this pipe...KT-66N- SKU:
- KT-66N
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes 65 SX 16-18 MX2 Works Pipe KT-66
BILLS PIPES
$299.99A properly tuned exhaust pipe is fundamental to unlocking your machine's full potential—and the Bill's Pipes MX2 delivers measurable gains across the entire powerband. Hand-welded from 19-gauge AKDQ carbon steel and finished to "works" spec, this pipe...KT-66- SKU:
- KT-66
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes KX 250 05-07 MX2 Silencer KS-25
BILLS PIPES
$189.99If you're running a KX 250 in the 05-07 generation, the Bills Pipes MX2 Silencer delivers measurable weight savings and responsive power delivery without sacrificing the aggressive 2-stroke character your bike demands. The lightweight construction and...KS-25- SKU:
- KS-25
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$189.99 -
Bills Pipes KX 250 05-07 MX2 Works Pipe K-25
BILLS PIPES
$299.99The Bill's Pipes MX2 Works Pipe delivers measurable horsepower and torque gains across the entire power band—essential for riders serious about competitive edge. Hand-welded construction and precision engineering ensure consistent performance lap after...K-25- SKU:
- K-25
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes KX 125 03-05 MX2 Silencer KS-13
BILLS PIPES
$189.99The Bills Pipes MX2 silencer cuts weight while maintaining the peak performance and distinctive 2-stroke character your KX 125 demands. Stock exhaust systems sacrifice both responsiveness and sound quality—this silencer delivers classic MX tone without...KS-13- SKU:
- KS-13
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$189.99 -
Bills Pipes KX 85 / 100 / 112 02-22 MX2 Nickel Pipe K-82N
BILLS PIPES
$299.99The Bill's Pipes MX2 Nickel Pipe (K-82N) unlocks measurable horsepower gains across your KX 85/100/112's entire power band, giving you the responsiveness and top-end pull needed to stay competitive on the track. Hand-welded in the USA using 19-gauge AKDQ...K-82N- SKU:
- K-82N
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes 250 SX / XC/ XC-W 17-18 Carbon MX2 Silencer KTS-27C
BILLS PIPES
$289.99If you're running a 250 SX, XC, or XC-W and want to shed unnecessary weight without sacrificing durability, this silencer delivers. The carbon fiber housing cuts rotational mass while the 304 stainless steel internals resist corrosion and heat...KTS-27C- SKU:
- KTS-27C
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$289.99 -
Bills Pipes 250 SX / XC/ XC-W 17-18 MX2 Silencer KTS-27
BILLS PIPES
$189.99If you're running a 250 SX/XC/XC-W two-stroke, exhaust flow directly impacts power delivery and engine responsiveness. The Bills Pipes MX2 Silencer KTS-27 combines lightweight construction with durable materials to maximize performance while maintaining...KTS-27- SKU:
- KTS-27
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$189.99 -
Bills Pipes 250 SX / XC/ XC-W 17-18 MX2 Nickel Pipe KT-27N
BILLS PIPES
$299.99The Bill's Pipes MX2 Pipe (KT-27N) unlocks measurable power gains across your entire power band without sacrificing reliability or requiring extensive modifications. Hand-crafted and hand-welded in the USA, this exhaust pipe combines proven performance...KT-27N- SKU:
- KT-27N
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes 250 SX / XC/ XC-W 17-18 MX2 Works Pipe KT-27
BILLS PIPES
$299.99A properly tuned exhaust pipe is fundamental to extracting maximum performance from your 250 SX/XC/XC-W two-stroke. The Bill's Pipes MX2 Works Pipe delivers measurable horsepower and torque gains across the entire power band while maintaining the...KT-27- SKU:
- KT-27
- Availability:
- Special Order
- Weight:
- 4.00 LBS
$299.99 -
Bills Pipes TC 250 / TE 250 / 300 14-16 Carbon MX2 Silencer KTS-11C
BILLS PIPES
$289.99If you're running a 2-stroke dirt bike, your exhaust system directly impacts power delivery, weight distribution, and rideability. The Bills Pipes MX2 Silencer replaces stock or aftermarket head pipes with a lightweight, durable setup that maintains the...KTS-11C- SKU:
- KTS-11C
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$289.99 -
Bills Pipes TC 125 2019 Carbon MX2 Silencer KTS-19C
BILLS PIPES
$289.99The Bills Pipes TC 125 2019 Carbon MX2 Silencer delivers measurable performance gains through reduced weight and optimized exhaust flow, while maintaining the distinctive crisp character that 2-stroke riders demand. Purpose-built for the TC 125, this...KTS-19C- SKU:
- KTS-19C
- Availability:
- Special Order
- Weight:
- 2.12 LBS
$289.99
