Quote:
Originally Posted by WE3RX7
Personally, I don't care for the XR-1 muffler. Lately, everything has been magnaflow with no issues and lifetime warranties. Use a thicker 14ga exhaust tubing with an RB presilencer and good magnaflow performance muffler and it should be plenty quiet for track officials. I know the 14ga is heavier, but an NA rotary with thin exhaust is going to get noticed...
Everything else looks great BTW.... should be a great ride when your done.
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I remembered an older article in Grassroots Motorsports about Burns Stainless mufflers. They're supposedly very high quality and in GRM's tests they offered both better power and sound suppression than a competitor. I haven't found any examples of them being used on a rotary though. Price is comparable to the XR-1's.