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      05-20-2013, 02:56 PM   #12
bdaddylo
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Drives: 2017 F80 M3
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Quote:
Originally Posted by OrangeCrush View Post
I thought Harold confirmed that the 1M had a different downpipe than the 135 and that it was more free flowing which is why DP wasn't a requirement for one of the GIAC stage tunes.
It's freer flowing, but nothing flows better than nothing at all.
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1991 E30 M3/Brilliantrot
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