Quote:
Originally Posted by HCI2000SS
I think the American Thunder is the only axle back that Flowmaster makes for these cars. I'm surprised you get drone. Mine doesn't drone at all. When you say it loses it past 4000 rpm what do you mean exactly? You mean it loses power?
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No the drone drops off almost completely. I'm not 100% on the axle back I'd have to double check it as I had a shop install it.