Quote:
Originally Posted by nonarcs
Ok so I've a jb4 on my car and am currently running map 1, what I know is that with a more free flowing mid pipe I will be able to run map 2,
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No - midpipe is less of an issue for moving from map 1 to map 2 - you need to upgrade stock DP 1st. Plenty of folk running high boost tunes with standard exhaust intact but with DP upgraded.