How to choose your baffle
The most accurate way to determine which baffle best fits your exhaust, is to measure the inside diameter of your headpipes about 6 inches from the outlet.
Once you know the size you need, select if you want them in the original or quiet version.
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Welcome to Big City Thunder!
- Don't be baffled about sound and power, Big City Thunder delivers both!!
- If you are looking for a more aggressive, throaty sound we can help, with our Original Thunder Monster baffles.
- If you are trying to tone things down, but not kill the sound we have you covered with our Quiet Thunder Monster baffles.
- If you have a flat spot or hesitation with your carbureted bike we have an answer.
- If you have decel popping on your fuel injected bike we can help.
"We not only produce baffles that perform but also deliver a true Hot Rod rumble."
Big City Thunder – real world performance. Real people with real answers. Try Us Today.
2005 HD Road King Classic
2016 HD Freewheeler
2015 HD FXSB