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      04-05-2010, 04:52 PM   #41
ridin135
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Drives: 991 C2S & E92 M3
Join Date: Dec 2008
Location: Greenville

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Quote:
Originally Posted by Mike@N54Tuning.com View Post
I think the 135i catback gets a bad rap. Here is a dyno test a few weeks ago through the stock midcats/135i catback. Not even a golf-tee mod. 91 octane + M10.

Mike
Damn you gained alot with the cutom maps, what was changed on them.