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      02-06-2006, 12:14 AM   #22
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Originally Posted by luprang
matsarge thanks for the report...yeah like xs***** said DIY pictures would be great.
I wonder what actual hp gains you might have from this free mod
Good question. I see on the M5 board they're kicking around a guess at 5%. At 5% that would be an 13HP increase for a 330 from 258 to 271. Based on the feel of the car now, I would take a 2-3% gain as reasonable. That would be a jump in HP from 258 to 263-266. Only a dyno knows for sure.