Dirt Bike Exhaust Replacement Parts
Dirt Bike Exhaust Replacement Parts: O-Rings, Springs & Packing for FMF & Moose at JJ Motorsports
Keep your dirt bike's exhaust system in top shape with premium replacement parts from JJ Motorsports, designed for easy maintenance and peak performance in motocross, enduro, and trail riding. Our selection includes durable O-rings, heavy-duty springs, and high-performance packing materials for secure seals, vibration resistance, and heat insulation. Compatible with FMF and Moose Racing mufflers on Honda CRF, Yamaha YZ/WR, KTM SX/EXC, and more, these OEM-quality components ensure leak-free operation, reduced noise, and long-lasting durability in dusty, high-heat conditions. From FMF's silicone O-rings for end cap seals to Moose's 95mm springs and Spec 19 packing for quick re-packs, refresh your exhaust without the hassle of full replacements.
Shop trusted brands like FMF and Moose Racing for race-proven quality. Explore related categories such as dirt bike silencers and mufflers for full systems or dirt bike exhaust for headers and tips.
Top Dirt Bike Exhaust Replacement Parts
- FMF Exhaust O-Rings 014893 – Silicone O-ring set for FMF muffler end caps; ensures airtight seals and vibration resistance for reliable performance.
- Moose Racing Exhaust Springs 95mm 495-9500 – Heavy-duty 95mm springs for secure muffler mounting; zinc-plated for corrosion resistance and easy installation.
- Moose Racing Spec 19 Competition Packing 750g 14584 – High-temp fiberglass packing for 2-stroke mufflers; 750g jar provides multiple re-packs for sustained sound and flow.
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
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FMF Exhaust O-Rings 014891
FMF
$9.99FMF Exhaust O-Rings18602407- SKU:
- 18602407
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$9.99Qty in Cart: 0Quantity:Price:$9.99Subtotal: -
FMF Exhaust O-Rings 014892
FMF
$9.99FMF Exhaust O-Rings 014892 High-quality O-rings designed for FMF exhaust systems. Durable material ensures long-lasting performance and reliability. Easy installation for a hassle-free upgrade to your exhaust system. Provides a secure...18602408- SKU:
- 18602408
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$9.99Qty in Cart: 0Quantity:Price:$9.99Subtotal: -
FMF Exhaust O-Rings 014896
FMF
$9.99FMF Exhaust O-Rings18602412- SKU:
- 18602412
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$9.99Qty in Cart: 0Quantity:Price:$9.99Subtotal: -
BOLT Exhaust Pipe Spring - 62 mm - 4-Pack 023-20260
BOLT
$15.00Exhaust Pipe Spring - 62 mm - 4-Pack Sold as a 4-Pack18602453- SKU:
- 18602453
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
$15.00 -
BOLT Pipe Mount Kit BET.EX.MNTS
BOLT
$24.99Pipe Mount Kit Includes two pipe mounts, two clip nuts and four fasteners18602458- SKU:
- 18602458
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$24.99 -
MOOSE RACING Spec 19 Competition Packing - 500g 14583
MOOSE RACING
$32.95Bulk packing is designed to be stuffed around a muffler's core to fill any shape, Resist's breakdown up to 1500 degrees, High strength fibers withstand turbulence and pressure from noise reducing muffler inserts, Made in USA18601716- SKU:
- 18601716
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MODEL:
- COMPETITION SERIES
- RIDING STYLE:
- OFF-ROAD
- WEIGHT METRIC:
- 500 G
- UNITS:
- EACH
- TYPE:
- BULK
- PRODUCT NAME:
- MUFFLER PACKING
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
MOOSE RACING Spec 19 Competition Packing - 1000g 14585
MOOSE RACING
$44.95Bulk packing is designed to be stuffed around a muffler's core to fill any shape, Resist's breakdown up to 1500 degrees, High strength fibers withstand turbulence and pressure from noise reducing muffler inserts, Made in USA18601718- SKU:
- 18601718
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- COMPETITION SERIES
- PRODUCT NAME:
- MUFFLER PACKING
- TYPE:
- BULK
- WEIGHT METRIC:
- 1000 G
$44.95Qty in Cart: 0Quantity:Price:$44.95Subtotal: -
MOOSE RACING Pillow Packing 16" 2T 14826
MOOSE RACING
$21.95MOOSE RACING Pillow Packing 16" 2T18602223- SKU:
- 18602223
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- LENGTH IMPERIAL:
- 13'
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- TYPE:
- MUFFLER
- PRODUCT NAME:
- PILLOW PACK
- UNITS:
- KIT
$21.95Qty in Cart: 0Quantity:Price:$21.95Subtotal: -
MOOSE RACING Competition Pillow Packing - 15" 14412
MOOSE RACING
$29.95For unmodified aftermarket exhausts, Designed to pack all mufflers with core diameters between 1.75" - 2.25" and shell circumferences between 12" and 13.5", Measure the distance around the outside of the muffler's shell to determine its circumference, If...18600573- SKU:
- 18600573
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
- LENGTH IMPERIAL:
- 15'
- RIDING STYLE:
- ATV
- TYPE:
- COMPETITION
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PILLOW
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
$29.95Qty in Cart: 0Quantity:Price:$29.95Subtotal: -
MOOSE RACING Competition Pillow Packing - 19" 14413
MOOSE RACING
$31.95For unmodified aftermarket exhausts, Designed to pack all mufflers with core diameters between 1.75" - 2.25" and shell circumferences between 12" and 13.5", Measure the distance around the outside of the muffler's shell to determine its circumference, If...18600574- SKU:
- 18600574
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- LENGTH IMPERIAL:
- 19'
- PRODUCT NAME:
- PILLOW
- RIDING STYLE:
- ATV
- TYPE:
- COMPETITION
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$31.95Qty in Cart: 0Quantity:Price:$31.95Subtotal: -
MOOSE RACING Muffler Sleeve Core - 15" 14289
MOOSE RACING
$33.95Two-layer wrap consists of 304 stainless wire cloth and a very durable, high-temp stainless steel wool, Keeps engine performance and sound levels more consistent compared to packing fiber directly around the core, Can be easily trimmed with scissors for...18600473- SKU:
- 18600473
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- LENGTH IMPERIAL:
- 15'
- PRODUCT NAME:
- SLEEVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- STAINLESS WOOL
- TYPE:
- BAFFLE CORE
$33.95Qty in Cart: 0Quantity:Price:$33.95Subtotal: -
AKRAPOVIC Spark Arrestor - SA002 P-SA002
AKRAPOVIC
$69.25Replacement spark arrestor for Akrapovic muffler18600977- SKU:
- 18600977
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- ARRESTOR
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- SPARK ARRESTOR SCREEN INSERT
- UNITS:
- EACH
$69.25Qty in Cart: 0Quantity:Price:$69.25Subtotal: -
AKRAPOVIC End Cap - EC186 V-EC186
AKRAPOVIC
$156.95Replace lost or damaged exhaust parts18600979- SKU:
- 18600979
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- END CAP
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- CARBON FIBER
$156.95Qty in Cart: 0Quantity:Price:$156.95Subtotal: -
AKRAPOVIC Noise Damper - TUV062/1 V-TUV062/1
AKRAPOVIC
$60.95Optional noise damper for Akrapovic Slip-On Mufflers18600983- SKU:
- 18600983
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- INSERT
- TYPE:
- NOISE DAMPER INSERT
$60.95Qty in Cart: 0Quantity:Price:$60.95Subtotal: -
AKRAPOVIC Noise Damper - TUV062/TI/1 V-TUV062/TI/1
AKRAPOVIC
$83.95Optional noise damper for Akrapovic Slip-On Mufflers18600984- SKU:
- 18600984
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- INSERT
- UNITS:
- EACH
- TYPE:
- NOISE DAMPER INSERT
- RIDING STYLE:
- OFF-ROAD
$83.95Qty in Cart: 0Quantity:Price:$83.95Subtotal: -
AKRAPOVIC End Cap - EC206 V-EC206
AKRAPOVIC
$156.95Replace lost or damaged exhaust parts18600981- SKU:
- 18600981
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MATERIAL:
- CARBON FIBER
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- END CAP
- UNITS:
- EACH
$156.95Qty in Cart: 0Quantity:Price:$156.95Subtotal: -
AKRAPOVIC End Cap - EC207 V-EC207
AKRAPOVIC
$156.95Replace lost or damaged exhaust parts18600982- SKU:
- 18600982
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MATERIAL:
- CARBON FIBER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- END CAP
$156.95Qty in Cart: 0Quantity:Price:$156.95Subtotal: -
AKRAPOVIC Noise Damper - TUV132 V-TUV132
AKRAPOVIC
$60.95Optional noise damper for Akrapovic Slip-On Mufflers18600985- SKU:
- 18600985
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- PRODUCT NAME:
- INSERT
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- NOISE DAMPER INSERT
$60.95Qty in Cart: 0Quantity:Price:$60.95Subtotal: -
BOLT Exhaust Hardware Kit EU.EX.50CC
BOLT
$20.99Hardware kits contain model-specific green Viton® rubber pipe O-rings, pipe-to-silencer coupler and springs18601273- SKU:
- 18601273
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- HARDWARE KIT
- TYPE:
- EXHAUST
$20.99 -
FMF End Cap - Stainless Steel - Slash Cut - PC4/Q4 040635
FMF
$34.99Replacement 4-Stroke Exhaust End Cap18600501- SKU:
- 18600501
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- END CAP
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- REPLACEMENT
- MATERIAL:
- STAINLESS STEEL
- MODEL:
- POWERCORE 4
- UNITS:
- EACH
- RIDING STYLE:
- UTV
- END CAP STYLE:
- SLASH-CUT
- MODEL:
- Q4
- RIDING STYLE:
- ATV
$34.99Qty in Cart: 0Quantity:Price:$34.99Subtotal:
