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Description: Light weight hard hitting alloy, hard anodized w/ spark arrestor. Easy to repack even when mounted. Different colors available call for detail
New!: Grey Mist ceramic coated exhaust systems are now available.

There are 3 choice to choose from per bike, OEM color, Black and Brushed Aluminum. Colored mufflers are a special order item only. If your bike is not listed, please call for availability

All pipes include our optional Quiet Tip Insert absolutely free!

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Description: Light weight hard hitting alloy, hard anodized w/ spark arrestor. Increased top-end performance. Performance exhaust header come with hardware necessary to mount stock heat shield

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Description: Quiet tips for performance muffler. Easy to install

Buy your four stroke Mikuni and Keihin carburetors here!! All carburetors come complete with spare jets. 

Note: No refunds will be given for sold carburetors

36mm Mikuni TM Pumper Carburetor  $475.00

Fourstroke Works offers the complete line of UNI brand air filters for your dirtbike or atv.  Too many models to list. Please call for availibility