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Old 09-19-2010, 02:58 PM   #248
58mm of Bliss
PEI330Ci's Avatar
Join Date: Jul 2003
Location: PEI,Canada
Posts: 4,369
My Ride: 330i, 330Ci
Guys, this has NOTHING to do with optimizing back-pressure. Too many have read "internet facts" without questioning the physics of what's really going on. This is about optimizing velocity in relation to pulse frequency.

The merge collector shape and location is where the power is made.
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