Re: Loud pipes
Posted by ChazzyB
on June 14, 2021, 6:04 pm, in reply to "Re: Loud pipes
No device needed, just an exhaust where you can hear it. Both my modern bikes do it, though they have the 'stock' exhaust so it's not [too] offensive. It's air injection to get unburnt fuel burnt. Apparently. I suspect my car does it as well when lifting off from comparatively high engine speeds.
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