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Your problem is the Xpipe.
You can run the stock Xpipe with no muffler at all and it's all under control.
With a full catless Xpipe, the OEM muffler will still be stupid loud
You need to change your Xpipe. I have the ESS HFC one that has HFCs and resonators and it sounds wonderful with no drone over 2000rpm.
When I say no drone I mean it. People have different ideas of what is drone and what isn't, but I'm quite sensitive to it.
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