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
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Pro Circuit R-304 Silencer Kawasaki KX125 1999-2002 SK99125-RE
PRO CIRCUIT
$206.29If you're running a KX125 in competitive racing, exhaust flow directly impacts your power delivery and track times. The Pro Circuit R-304 Shorty Silencer is engineered to maximize exhaust efficiency without sacrificing the noise management required for...SK99125RE- SKU:
- SK99125RE
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- MODEL:
- R-304
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
$206.29 -
Pro Circuit 304 Silencer Kawasaki KX125 1999-2002 SK99125-SE
PRO CIRCUIT
$205.95Two-stroke racers demand exhaust systems that deliver measurable power gains without excessive noise penalties. The Pro Circuit 304 Factory Sound Silencer gives your KX125 optimized scavenging and responsiveness while keeping decibel levels...SK99125SE- SKU:
- SK99125SE
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
- STYLE:
- ROUND
- PIPE MATERIAL:
- STAINLESS STEEL
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- MODEL:
- 304
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- UNITS:
- EACH
$205.95 -
Pro Circuit R-304 Silencer for Kawasaki KX250 1999-2002 SK99250-RE
PRO CIRCUIT
$206.29The Pro Circuit R-304 Silencer is engineered for competitive two-stroke racing where exhaust efficiency directly translates to power on the track. Optimized internal design and premium materials deliver measurable gains in throttle response and...SK99250RE- SKU:
- SK99250RE
- Availability:
- Ships Same Business Day
- Weight:
- 2.22 LBS
- MODEL:
- R-304
- UNITS:
- EACH
- END CAP MATERIAL:
- STAINLESS STEEL
- MUFFLER MATERIAL:
- 6061 T6 ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
- MUFFLER COLOR/FINISH:
- BRUSHED
- PRODUCT NAME:
- SILENCER
$206.29 -
Pro Circuit R-304 Silencer Suzuki RM85 2002-2023 SS89080-R
PRO CIRCUIT
$206.29If you're running a Suzuki RM85 in competitive two-stroke racing, your exhaust system directly impacts throttle response and mid-range power. The Pro Circuit R-304 Shorty Silencer delivers measurable gains in scavenging efficiency while keeping rotating...SS89080R- SKU:
- SS89080R
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$206.29 -
Pro Circuit 304 Silencer Suzuki RM125 1989-1992 SS89125-304
PRO CIRCUIT
$205.95If you're running a Suzuki RM125 and tire of stock exhaust limitations, the Pro Circuit 304 Silencer delivers measurable gains in mid-range power while keeping sound levels compliant with track regulations. The 6061 T-6 aluminum construction keeps...SS89125304- SKU:
- SS89125304
- Availability:
- Ships Same Business Day
- Weight:
- 1.56 LBS
$205.95 -
Pro Circuit 304 Silencer Suzuki RM 250 1989-1990 SS89250-304
PRO CIRCUIT
$205.95If you're running a 1989-1990 Suzuki RM 250 and tired of choosing between peak performance and track-legal noise compliance, the Pro Circuit 304 Silencer delivers both. This FIM-approved silencer maintains competitive mid-to-high RPM power while meeting...SS89250304- SKU:
- SS89250304
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
$205.95 -
Pro Circuit Exhaust Flange Honda CR250R 2002 PC4003-0201
PRO CIRCUIT
$39.95A cracked or worn exhaust flange will compromise your CR250R's performance and create costly air leaks that rob you of power. The Pro Circuit Exhaust Flange delivers the precision fit and durability needed to maintain a sealed, efficient exhaust system...PC40030201- SKU:
- PC40030201
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- TYPE:
- EXHAUST
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- FLANGE
$39.95 -
Pro Circuit Platinum Pipe 1989-2001 Honda CR500R PH89500P
PRO CIRCUIT
$407.95The Pro Circuit Platinum Pipe delivers measurable horsepower gains in the low-to-mid RPM range where CR500R riders need it most—translating directly to faster acceleration and sharper throttle response on the track. Hand-welded construction and premium...PH89500P- SKU:
- PH89500P
- Availability:
- Ships Same Business Day
- Weight:
- 6.88 LBS
$407.95 -
Pro Circuit Platinum Head Pipe Honda CR125R 1992 PH92125P
PRO CIRCUIT
$393.95A properly engineered exhaust pipe is critical for unlocking your CR125R's performance potential—restrictive stock piping leaves significant horsepower on the table. The Pro Circuit Platinum Head Pipe delivers optimized exhaust scavenging to improve...PH92125P- SKU:
- PH92125P
- Availability:
- Ships Same Business Day
- Weight:
- 3.56 LBS
$393.95 -
Pro Circuit Platinum Head Pipe Honda CR250R 1995 PH95250P
PRO CIRCUIT
$393.95The Pro Circuit Platinum Head Pipe is engineered to unlock measurable gains in horsepower and torque across your CR250's entire powerband while maintaining the durability required for competitive racing and aggressive trail riding. Factory exhaust...PH95250P- SKU:
- PH95250P
- Availability:
- Ships Same Business Day
- Weight:
- 5.13 LBS
$393.95 -
Pro Circuit Platinum Head Pipe Honda CR250R 1997 PH97250P
PRO CIRCUIT
$393.95If you're running a CR250R, your exhaust system directly impacts power delivery and throttle response—and the Pro Circuit Platinum Head Pipe (PH97250P) is engineered to maximize both. This hand-welded, precision-constructed pipe optimizes scavenging...PH97250P- SKU:
- PH97250P
- Availability:
- Ships Same Business Day
- Weight:
- 7.38 LBS
$393.95 -
Pro Circuit Platinum Pipe Honda CR125R 2001 PH01125P
PRO CIRCUIT
$352.95If you're running a CR125R in competitive motocross or trail riding, your exhaust system directly impacts throttle response and peak power delivery. The Pro Circuit Platinum Pipe replaces restrictive OEM designs with a hand-welded, optimized flow path...PH01125P- SKU:
- PH01125P
- Availability:
- Ships Same Business Day
- Weight:
- 5.31 LBS
$352.95 -
Pro Circuit Platinum Pipe Honda CR125R 2002 PH02125P
PRO CIRCUIT
$352.95The stock exhaust on your CR125R is leaving power on the table. A precision-tuned pipe like the Pro Circuit Platinum directly impacts scavenging efficiency, translating to measurable gains in mid-range torque and peak horsepower—essential when every...PH02125P- SKU:
- PH02125P
- Availability:
- Ships Same Business Day
- Weight:
- 5.20 LBS
$352.95 -
Pro Circuit Works Pipe Honda CR250R 2002 PH02250
PRO CIRCUIT
$349.95A quality exhaust pipe is fundamental to 2-stroke performance—it directly impacts power delivery, throttle response, and weight distribution. The Pro Circuit Works Pipe (PH02250) is engineered specifically for the 2002 Honda CR250R to optimize scavenging...PH02250- SKU:
- PH02250
- Availability:
- Ships Same Business Day
- Weight:
- 6.76 LBS
$349.95 -
Pro Circuit Platinum Head Pipe Honda CR250R 2002 PH02250P
PRO CIRCUIT
$365.95The Pro Circuit Platinum Head Pipe delivers measurable performance gains for the Honda CR250R through optimized exhaust scavenging and reduced back pressure. Hand-welded AKDQ carbon steel construction paired with an electroless nickel finish provides the...PH02250P- SKU:
- PH02250P
- Availability:
- Ships Same Business Day
- Weight:
- 6.75 LBS
$365.95 -
Pro Circuit Works Pipe Honda CR250R 2003-2004 PH03250
PRO CIRCUIT
$349.95If you're running a CR250R and looking to unlock measurable gains in mid-range power and throttle response, the Pro Circuit Works Pipe delivers real performance improvements through optimized exhaust scavenging. Hand-welded from premium carbon steel with...PH03250- SKU:
- PH03250
- Availability:
- Ships Same Business Day
- Weight:
- 7.65 LBS
$349.95 -
Pro Circuit Platinum Head Pipe Honda CR250R 2003-2004 PH03250P
PRO CIRCUIT
$365.95A quality head pipe is fundamental to unlocking your CR250R's full potential—restrictive or poorly-designed units rob you of horsepower and throttle response. The Pro Circuit Platinum delivers optimized exhaust scavenging with hand-welded construction...PH03250P- SKU:
- PH03250P
- Availability:
- Ships Same Business Day
- Weight:
- 5.78 LBS
$365.95 -
Pro Circuit Platinum 2 Pipe Honda CR250R 2003-2004 PH03250P2
PRO CIRCUIT
$365.95The Pro Circuit Platinum 2 Exhaust Pipe is engineered to unlock measurable gains in torque and power delivery across the RPM band—critical for competitive 2-stroke racing where every fraction of performance counts. Hand-welded construction and reinforced...PH03250P2- SKU:
- PH03250P2
- Availability:
- Ships Same Business Day
- Weight:
- 8.06 LBS
$365.95 -
Pro Circuit 4" Quiet End Cap Billet 1-1/2" PC4001-0007
PRO CIRCUIT
$132.95If you're running a high-performance dirt bike or off-road vehicle, you know that exhaust noise can be both a liability and a distraction—especially when you need precision throttle control across varying terrain. The Pro Circuit 4" Quiet End Cap gives...18610312- SKU:
- 18610312
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- ALUMINUM
- RIDING STYLE:
- ATV
- FITS PIPE SIZE IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- END CAP
- RIDING STYLE:
- UTV
- OUTSIDE DIAMETER IMPERIAL:
- 4'
- UNITS:
- EACH
- COLOR/FINISH:
- BILLET
- END CAP STYLE:
- QUIET TIP
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ROUND
$132.95 -
Pro Circuit Quiet Insert with Spark Arrestor for 3.5" Exhaust 2007-2008 PC4003-0002
PRO CIRCUIT
$84.95If you're running a Pro Circuit exhaust system but need to dial back the noise level—whether for track regulations, neighbor relations, or personal preference—this quiet insert delivers measurable sound reduction without sacrificing flow characteristics...18610474- SKU:
- 18610474
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- TIP
- BASE FINISH:
- NATURAL
- OUTSIDE DIAMETER IMPERIAL:
- 3-1/2'
- TYPE:
- SPARK ARRESTOR SCREEN INSERT
- COLOR/FINISH:
- STAINLESS STEEL
- END CAP STYLE:
- STRAIGHT-CUT
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- ROUND
- TYPE:
- QUIET INSERT
$84.95
