Quote:
Originally Posted by flinchy
Hmm sounds like there must be other issues? If theres correct afr and enough compression and timing and appropriate cam durations as such with little exhaust gas to ruin the stoich, there should be appropriate power, mathematically :/ :/ :\ :\
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Custom dyno tuning and proper AFRs across the board.
Nor is this unique to my car in any way. 99% of the race prepped M3s are running such a pipe, and all compromise the bottom end.
It's just not as simple as freer flowing = better.