Well I haven't ever heard of R9Racing generation, or Austin Racing. I mean my first impulse is to snatch either of them up. But I think it would probably be better to wait for Brock. He's on the forum and he is a trusted name, like Beet, Muzzy, Area P, RC engineering, etc. But I really love that slash-cut H2R replica muffler from the Sigh Bored Custom prototype. It's got removable baffle, and with the baffle it's sound is quiet enough, so as to not upset anybody.
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