Dirt Bike Exhaust Kits
Dirt Bike Exhaust Kits for Honda CRF & Yamaha YZ at JJ Motorsports
Unlock more power and lighter weight with premium dirt bike exhaust kits from JJ Motorsports, featuring full systems with headers, mid-pipes, and mufflers for superior flow, reduced weight, and aggressive sound in motocross and enduro riding. Compatible with Honda CRF and Yamaha YZ models, these Pro Circuit kits deliver bolt-on gains in horsepower, torque, and throttle response with stainless steel or titanium construction for durability.
Shop Pro Circuit exhaust systems at JJ Motorsports for race-proven performance. Explore related categories such as dirt bike silencers and mufflers for slip-ons or dirt bike air and fuel for tuning essentials.
Top Dirt Bike Exhaust Kits
- Pro Circuit T-6 Exhaust Yamaha YZ125 2014-2023 0111311G – Complete T-6 system with stainless header and aluminum muffler for 2-stroke power gains.
- Pro Circuit Ti-6 Exhaust System Honda CRF250R 2022 0312225F – Titanium full system with hex muffler for lightweight performance and crisp sound.
- Pro Circuit T-6 Exhaust System with Carbon Fiber End Cap Honda CRF450R 2022 0352245F – T-6 system with carbon end cap for reduced weight and premium styling.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
AKRAPOVIC Evolution Line Exhaust System - Titanium S-K4MET9-FDHLTA
AKRAPOVIC
$2,277.95If you're serious about extracting maximum performance on the circuit, every gram and every horsepower matters. The Akrapović Evolution Line Titanium exhaust delivers measurable power gains—2.6 hp and 2.5 Nm of torque—while shedding 1.3 kg of weight...18202052- SKU:
- 18202052
- Availability:
- Ships Same Business Day
- Weight:
- 10.45 LBS
$2,277.95 -
S&S CYCLE Turbocharger Kit - KRX 1000 560-0331
S&S CYCLE
$0.00The S&S CYCLE Turbocharger Kit transforms your KRX 1000 from a capable machine into a high-output performer, delivering over 50% more horsepower while maintaining reliability through precision engineering and comprehensive tuning. This complete bolt-on...18300623- SKU:
- 18300623
- Availability:
- Ships Same Business Day
- Weight:
- 235.00 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- TURBOCHARGER KIT
- RIDING STYLE:
- UTV
- MUFFLER DIAMETER IMPERIAL:
- 2-1/4'
- TYPE:
- RACE
$0.00Qty in Cart: 0Quantity:Price:$0.00Subtotal: -
Pro Circuit Platinum 2 Pipe KTM 250 SX 2000-2002 PT00250P2
PRO CIRCUIT
$365.95The Pro Circuit Platinum 2 Pipe delivers measurable gains in low to mid-range power and throttle response—critical for 2-stroke racing where every millisecond counts. If you're running a KTM 250 SX and want a bolt-on upgrade that actually performs, this...PT00250P2- SKU:
- PT00250P2
- Availability:
- Ships Same Business Day
- Weight:
- 8.15 LBS
- COLOR/FINISH:
- NICKEL-PLATED
- PRODUCT NAME:
- EXHAUST SYSTEM
- END CAP COLOR/FINISH:
- STRAIGHT-CUT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- BASE FINISH:
- NICKEL
- MATERIAL:
- CARBON STEEL
- MODEL:
- PLATINUM II
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SLIP-ON
$365.95 -
Pro Circuit Platinum Pipe Yamaha YZ65 2018-2025 0831865
PRO CIRCUIT
$337.95The Pro Circuit Platinum Pipe delivers measurable gains in horsepower and throttle response for your Yamaha YZ65, giving you the edge you need on the track or trail. Hand-welded construction and precision engineering ensure reliability through seasons of...18201838- SKU:
- 18201838
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- NICKEL-PLATED
- MATERIAL:
- CARBON STEEL
- UNITS:
- EACH
- MODEL:
- PLATINUM
- PRODUCT NAME:
- PIPE
- TYPE:
- EXHAUST
$337.95Qty in Cart: 0Quantity:Price:$337.95Subtotal: -
Pro Circuit Ti-6 Pro Exhaust System for Suzuki RM-Z450 2018-2024 0341845FP
PRO CIRCUIT
$1,269.95The Pro Circuit Ti-6 Pro exhaust system cuts weight while delivering measurable gains in horsepower and torque—critical advantages whether you're chasing lap times or podium finishes. Titanium construction paired with precision machining ensures a...18201810- SKU:
- 18201810
- Availability:
- Ships Same Business Day
- Weight:
- 4.80 LBS
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- PIPE MATERIAL:
- TITANIUM
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP COLOR/FINISH:
- CARBON FIBER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
$1,269.95Qty in Cart: 0Quantity:Price:$1,269.95Subtotal: -
Pro Circuit Ti-6 Pro Dual Exhaust System for Honda CRF450R 2017-2018 0311745FP2
PRO CIRCUIT
$1,840.95If you're racing a 2017-2018 Honda CRF450R, exhaust flow directly impacts your power delivery and throttle response when it matters most. The Pro Circuit Ti-6 Pro delivers measurable gains through its dual-canister design while staying compliant with...18201762- SKU:
- 18201762
- Availability:
- Ships Same Business Day
- Weight:
- 15.30 LBS
- END CAP COLOR/FINISH:
- CARBON FIBER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- TITANIUM
- DESIGN/CONFIGURATION:
- DUAL CANISTER
- FEATURES:
- WITHOUT SPARK ARRESTOR
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,840.95Qty in Cart: 0Quantity:Price:$1,840.95Subtotal: -
Pro Circuit Ti-6 Pro Exhaust KTM 250 SX-F 2019-2022 0351925FP
PRO CIRCUIT
$1,269.95If you're serious about extracting every bit of performance from your 250 SX-F, your stock exhaust is holding you back. The Pro Circuit Ti-6 Pro delivers measurable gains in power and throttle response through optimized exhaust scavenging and a tuned...18201882- SKU:
- 18201882
- Availability:
- Ships Same Business Day
- Weight:
- 10.10 LBS
- END CAP COLOR/FINISH:
- CARBON FIBER
- END CAP MATERIAL:
- CARBON FIBER
- MATERIAL:
- TITANIUM
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
$1,269.95 -
Pro Circuit TI-6 Pro Exhaust Honda CRF450R 2019 2020 0311945FP2
PRO CIRCUIT
$1,840.95If you're serious about CRF450R competition, exhaust flow is non-negotiable—and the Pro Circuit Ti-6 Pro delivers measurable gains in peak power while keeping you legal at the starting line. This system strips unnecessary weight without sacrificing...18201897- SKU:
- 18201897
- Availability:
- Ships Same Business Day
- Weight:
- 16.50 LBS
- MATERIAL:
- CARBON FIBER
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- MODEL:
- TI-6 PRO
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- PIPE MATERIAL:
- TITANIUM
- DESIGN/CONFIGURATION:
- DUAL CANISTER
- END CAP COLOR/FINISH:
- CARBON FIBER
- END CAP MATERIAL:
- CARBON FIBER
- FEATURES:
- WITHOUT SPARK ARRESTOR
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
$1,840.95Qty in Cart: 0Quantity:Price:$1,840.95Subtotal: -
AKRAPOVIC Race Exhaust - Stainless Steel/Carbon Fiber S-VE125R2-HZBL
AKRAPOVIC
$714.95If you're serious about maximizing your bike's power delivery while shedding unnecessary weight, the AKRAPOVIC Race Exhaust delivers measurable gains in both performance and aesthetics. The hexagonal design paired with titanium and carbon-fiber...18113269- SKU:
- 18113269
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- MODEL:
- RACING LINE
- WEIGHT REDUCTION IMPERIAL:
- 3.75 LB
- END CAP COLOR/FINISH:
- CARBON FIBER
- MATERIAL:
- CARBON FIBER
- RIDING STYLE:
- STREET
- STYLE:
- HEXAGONAL
- TYPE:
- FULL SYSTEM
- WEIGHT IMPERIAL:
- 8.6 LB
- COLOR/FINISH:
- BLACK
- MATERIAL:
- TITANIUM
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- MATERIAL:
- STAINLESS STEEL
- PRODUCT NAME:
- EXHAUST SYSTEM
$714.95Qty in Cart: 0Quantity:Price:$714.95Subtotal: -
FMF Factory Fatty Pipe - KTM 250/300 025072
FMF
$299.99If you're running a KTM 250 or 300, the FMF Factory Fatty Pipe delivers the kind of broad, responsive power curve that separates competitive riders from the rest. Factory Teams have relied on cone pipe designs for decades because they work—and this...18200083- SKU:
- 18200083
- Availability:
- Ships Same Business Day
- Weight:
- 5.35 LBS
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- TYPE:
- EXHAUST
- UNITS:
- EACH
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
$299.99Qty in Cart: 0Quantity:Price:$299.99Subtotal: -
FMF Factory Fatty Pipe - '09-'15 65SX 025103
FMF
$289.99If you're running a '09-'15 65SX and want measurable power across the entire RPM range, the FMF Factory Fatty Pipe delivers the goods. This hand-crafted exhaust pipe broadens your power curve from low-end grunt through over-rev, giving you the responsive...18201128- SKU:
- 18201128
- Availability:
- Ships Same Business Day
- Weight:
- 4.25 LBS
- MATERIAL:
- STEEL
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- PIPE
- MODEL:
- FACTORY FATTY
- RIDING STYLE:
- OFF-ROAD
$289.99Qty in Cart: 0Quantity:Price:$289.99Subtotal: -
FMF Powercore 4 Exhaust 044156
FMF
$279.99The FMF Powercore 4 exhaust system delivers measurable horsepower and torque gains through computer-optimized design and dyno-testing, engineered specifically for 4-stroke engines where every cubic centimeter of flow matters. The hi-flo end cap and round...18201321- SKU:
- 18201321
- Availability:
- Ships Same Business Day
- Weight:
- 3.22 LBS
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- FEATURES:
- STANDARD
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
- END CAP STYLE:
- EURO
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
$279.99Qty in Cart: 0Quantity:Price:$279.99Subtotal: -
FMF Powercore 4 Exhaust 041071
FMF
$299.99If you're running a 4-stroke engine and leaving performance on the table with a restrictive stock exhaust, the FMF Powercore 4 is the upgrade that delivers measurable power gains and a refined exhaust note. This system has been computer-designed and...18201342- SKU:
- 18201342
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
- BASE COLOR:
- SILVER
- MODEL:
- BIG BORE
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DESIGN/CONFIGURATION:
- SINGLE CANISTER
- END CAP STYLE:
- EURO
- FEATURES:
- STANDARD
- MATERIAL:
- ALUMINUM
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
$299.99Qty in Cart: 0Quantity:Price:$299.99Subtotal: -
FMF 4.1 RCT Exhaust with MegaBomb - Aluminum 045634
FMF
$1,049.99If you're serious about extracting maximum power from your machine while cutting unnecessary weight, the FMF 4.1 RCT Exhaust with MegaBomb is engineered to deliver measurable gains across the entire RPM band. By centralizing mass closer to the motor...18201871- SKU:
- 18201871
- Availability:
- Ships Same Business Day
- Weight:
- 10.40 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- MUFFLER MATERIAL:
- ALUMINUM
- PIPE MATERIAL:
- STAINLESS STEEL
- TYPE:
- FULL SYSTEM
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,049.99Qty in Cart: 0Quantity:Price:$1,049.99Subtotal: -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045637
FMF
$1,329.99If you're running a high-performance off-road machine, exhaust flow is where real gains happen—and the FMF 4.1 RCT delivers measurable power across the entire RPM range while cutting significant weight. The Factory 4.1 RCT's centralized design reduces...18201874- SKU:
- 18201874
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
- PIPE MATERIAL:
- TITANIUM
- PRODUCT NAME:
- EXHAUST SYSTEM
- MUFFLER MATERIAL:
- TITANIUM
- END CAP MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
$1,329.99Qty in Cart: 0Quantity:Price:$1,329.99Subtotal: -
FMF 4.1 RCT Exhaust with MegaBomb - Aluminum 045638
FMF
$1,049.99If you're serious about maximizing your bike's power delivery across the entire RPM range while shedding unnecessary weight, the FMF 4.1 RCT Exhaust with MegaBomb is engineered to deliver measurable gains without compromise. The Factory Forward...18201875- SKU:
- 18201875
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- PIPE MATERIAL:
- STAINLESS STEEL
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- RAW
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- CARBON FIBER
- MUFFLER MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$1,049.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045639
FMF
$1,329.99If you're serious about extracting maximum power from your machine while cutting unnecessary weight, the FMF 4.1 RCT with MegaBomb is engineered to deliver. By centralizing mass closer to the engine and utilizing aerospace-grade materials, this exhaust...18201876- SKU:
- 18201876
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
- PRODUCT NAME:
- EXHAUST SYSTEM
- TYPE:
- FULL SYSTEM
- MUFFLER MATERIAL:
- TITANIUM
- RIDING STYLE:
- OFF-ROAD
- END CAP MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
$1,329.99Qty in Cart: 0Quantity:Price:$1,329.99Subtotal: -
FMF Fatty Pipe 024068
FMF
$289.99The FMF Fatty Pipe 024068 is engineered to deliver measurable power gains by optimizing exhaust flow at the RPM range where your machine operates hardest. Computer-designed and dyno-tested, this pipe ensures you're extracting every available horsepower...18201827- SKU:
- 18201827
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- COLOR/FINISH:
- NICKEL-PLATED
- MODEL:
- GOLD SERIES FATTY
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- PRODUCT NAME:
- PIPE
- UNITS:
- EACH
$289.99 -
FMF Powercore 4 Exhaust 041017
FMF
$299.99If you're serious about 4-stroke performance, exhaust flow is non-negotiable—the FMF Powercore 4 directly addresses this by engineering a system that maximizes exhaust evacuation and unlocks measurable horsepower gains. Every component, from the hi-flo...FMF041017- SKU:
- FMF041017
- Availability:
- Ships Same Business Day
- Weight:
- 3.66 LBS
- MODEL:
- POWERCORE 4
- PRODUCT NAME:
- EXHAUST SYSTEM
- FEATURES:
- WITH SPARK ARRESTOR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- UNITS:
- KIT
- BASE COLOR:
- SILVER
- DESIGN/CONFIGURATION:
- 1-INTO-1 SYSTEM
- MATERIAL:
- STAINLESS STEEL
- STYLE:
- ELLIPTICAL
- END CAP STYLE:
- EURO
$299.99 -
FMF 4.1 RCT Exhaust with MegaBomb - Anodized Titanium 045653
FMF
$1,174.99If you're serious about two-stroke performance, the FMF 4.1 RCT Exhaust delivers measurable power gains across the entire RPM range while cutting rotational mass—exactly what separates competitive machines from the rest. The shorter, centralized design...18201957- SKU:
- 18201957
- Availability:
- Ships Same Business Day
- Weight:
- 11.10 LBS
- END CAP MATERIAL:
- CARBON FIBER
- MODEL:
- FACTORY 4.1 RCT
- MUFFLER COLOR/FINISH:
- ANODIZED BLUE
- PIPE MATERIAL:
- TITANIUM
- UNITS:
- EACH
- MUFFLER MATERIAL:
- TITANIUM
- PIPE MATERIAL:
- STAINLESS STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- FULL SYSTEM
- PRODUCT NAME:
- EXHAUST SYSTEM
$1,174.99Qty in Cart: 0Quantity:Price:$1,174.99Subtotal:
