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
-
FMF Spring and O-Ring Kit 011314
FMF
$12.99Spring and O-ring kit for exhaust pipeFMF011314- SKU:
- FMF011314
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- RUBBER
- UNITS:
- KIT
- TYPE:
- EXHAUST
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- O-RING
$12.99 -
FMF Spring and O-Ring Kit 011313
FMF
$12.99Spring and O-ring kit for exhaust pipeFMF011313- SKU:
- FMF011313
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- STEEL
- TYPE:
- EXHAUST
- PRODUCT NAME:
- O-RING
$12.99 -
FMF Spring and O-Ring Kit 011312
FMF
$12.99Spring and O-ring kit for exhaust pipeFMF011312- SKU:
- FMF011312
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PRODUCT NAME:
- O-RING
- TYPE:
- EXHAUST
- MATERIAL:
- RUBBER
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$12.99 -
FMF Spring and O-Ring Kit 011311
FMF
$12.99Spring and O-ring kit for exhaust pipeFMF011311- SKU:
- FMF011311
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- TYPE:
- EXHAUST
- UNITS:
- KIT
- MATERIAL:
- RUBBER
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- O-RING
$12.99 -
FMF Spring and O-Ring Kit 011310
FMF
$12.99Spring and O-ring kit for exhaust pipeFMF011310- SKU:
- FMF011310
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- EXHAUST
- MATERIAL:
- RUBBER
- UNITS:
- KIT
$12.99 -
FMF Spring and O-Ring Kit 011309
FMF
$12.99Spring and O-ring kit for exhaust pipeFMF011309- SKU:
- FMF011309
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- O-RING
- TYPE:
- EXHAUST
- MATERIAL:
- RUBBER
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$12.99 -
FMF Spring and O-Ring Kit 011308
FMF
$12.99Spring and O-ring kit for exhaust pipeFMF011308- SKU:
- FMF011308
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- O-RING
- TYPE:
- EXHAUST
- MATERIAL:
- RUBBER
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$12.99 -
FMF Spring and O-Ring Kit 011307
FMF
$12.99Spring and O-ring kit for exhaust pipeFMF011307- SKU:
- FMF011307
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MATERIAL:
- RUBBER
- MATERIAL:
- STEEL
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- EXHAUST
- UNITS:
- KIT
$12.99 -
FMF Colorways Logo Kit - Orange 014850
FMF
$17.99FMF Colorways Logo Kit - Orange43202455- SKU:
- 43202455
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- DECAL
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- COLORWAYS 4.1
- UNITS:
- EACH
- BASE COLOR:
- YELLOW
- GRAPHIC:
- FMF LOGO
- TYPE:
- EXHAUST
- BASE COLOR:
- BLUE
- COLOR/FINISH:
- RED
- COLOR/FINISH:
- WHITE
- COLOR/FINISH:
- YELLOW
$17.99 -
AKRAPOVIC Universal Heat Shield Fit Kit P-HF95/1
AKRAPOVIC
$12.05AKRAPOVIC Universal Heat Shield Fit Kit18600886- SKU:
- 18600886
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- HEAT SHIELD
- PRODUCT NAME:
- FITTING KIT
$12.05 -
DG PERFORMANCE Repack Kit - MX Silencer 98-1000
DG PERFORMANCE
$23.99Packing material to reduce exhaust toneD981000- SKU:
- D981000
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MODEL:
- MX
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- LENGTH IMPERIAL:
- 15'
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$23.99 -
WSM Sea-Doo Exhaust Hose 011-430
WSM
$15.68Exhaust pipe hose18600540- SKU:
- 18600540
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
- LENGTH IMPERIAL:
- 3-1/2'
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- EXHAUST
- UNITS:
- EACH
- PRODUCT NAME:
- HOSE
$15.68 -
WSM Sea-Doo Exhaust Hose 011-420
WSM
$23.58Exhaust pipe hose18600659- SKU:
- 18600659
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- HOSE
- TYPE:
- EXHAUST
- RIDING STYLE:
- WATERCRAFT
- LENGTH IMPERIAL:
- 3.1'
- UNITS:
- EACH
$23.58 -
WSM Exhaust Bushings 011-515
WSM
$5.09Exhaust bushings for exhaust pickup envelope18600660- SKU:
- 18600660
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- BUSHING
- UNITS:
- PAIR
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- EXHAUST
$5.09 -
FMF 4-Stroke Pillow Packing 015302
FMF
$31.99Composed of fine, blended, interwoven fiberglass fibers, Made to conform to FMF's high heat-resistant specifications, Provides optimum performance and longevity, Prevents exhaust can from getting too hot, which can cause damage to the exhaust18600828- SKU:
- 18600828
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- MATERIAL:
- FIBERGLASS
- STYLE:
- 4-STROKE
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PRODUCT NAME:
- MUFFLER PACKING
$31.99 -
FMF Premier 2-Stroke Packing 015301
FMF
$27.99Features high temperature-resistant fiberglass, Ideal for MX applications where maximum sound absorption is not a necessity18600827- SKU:
- 18600827
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- 2-STROKE
- RIDING STYLE:
- UTV
- MATERIAL:
- FIBERGLASS
- PRODUCT NAME:
- MUFFLER PACKING
- COLOR/FINISH:
- WHITE
- MODEL:
- PREMIER
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$27.99 -
FMF 4-Stroke Packing 010590
FMF
$14.99Owens-Corning fiberglass replacement packing keeps silencers performing as they're meant toFMF12004- SKU:
- FMF12004
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- RIDING STYLE:
- ATV
- STYLE:
- 4-STROKE
- UNITS:
- EACH
- MATERIAL:
- FIBERGLASS
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- WHITE
- PRODUCT NAME:
- MUFFLER PACKING
- RIDING STYLE:
- UTV
$14.99 -
HELIX Exhaust Springs - Zinc - 90 mm 495-9002
HELIX
$7.95Exhaust Springs - Zinc - 90 mm Constructed of zinc-plated steel, Sold in pairs18602388- SKU:
- 18602388
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$7.95 -
FMF Exhaust O-Rings 014887
FMF
$9.99FMF Exhaust O-Rings 014887 High-quality O-rings designed specifically for FMF exhaust systems. Ensures a perfect seal to prevent leaks and enhance performance. Durable construction withstands extreme temperatures and pressure. Easy to...18602403- SKU:
- 18602403
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$9.99Qty in Cart: 0Quantity:Price:$9.99Subtotal: -
FMF Exhaust O-Rings 014888
FMF
$9.99FMF Exhaust O-Rings18602404- SKU:
- 18602404
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$9.99Qty in Cart: 0Quantity:Price:$9.99Subtotal:
