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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
How to quiet an expansion chamber
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[QUOTE="EricGorr, post: 143813, member: 19611"] Theres an example of a CR500 converted to be street legal in my book. Denny Calvert, the bike owner and I, used Swain-Tech ceramic fiber header-wrap tape, saftey wired it in place, and fastened an aluminum pipe protector orver the top. It insulates the heat for better throttle response because the skin temperature of the pipe drops dramatically when street riding because of the additional air flow. However some of the energy is lost from the waves that travel through the pipe. So peak performance might suffer in exchange for smoother low to mid throttle response. Check out the ceramic header wrap at [url]www.swaintech.com[/url] [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
How to quiet an expansion chamber
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