My TA with 3" H pipe into 3" FLows and 2.5 tailpipes would pick up going open headers. Started getting rusty we left it off after a trans/convertor swap. Then put a 3" Dr. Gas X ,3" ultraflows and 3" mandrel tailpipes on and even with the additional weight of the exhaust it ran identical. . So fisgure running the same with an extra 40lbs or so must have picked it up.
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Skip Fix
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