bumping up your rev limiter won't raise your peak effiency range, at least not by itself. You need a bigger turbo and/or cams. bumping up your rev limiter will only effect your peak effiency range if you have a setup which has not started to drop boost before red line (aka bigger turbo/cams).Originally Posted by Dragonfly5338
x2 7k is out of your peak effiency range unless your rev limiter is bumped up to 8k like mine.
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