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      11-03-2011, 01:40 AM   #44
Dave07997S
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Drives: 2013 BMW M3 ZCP Coupe
Join Date: May 2009
Location: Playa del Rey, CA

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Quote:
Originally Posted by carlitosz View Post
This is the single most important aftermarket performance part for an M3 and you must refuse to go cheap. The x-pipe is the only mod in an M3 that provides a significant power gain. That x-pipe (which they call h-pipe), looks to be made out of tin can and looks to be 1" OD. Literally.

Spend a little more and a buy a proven X-pipe. I know $2,000 for an xpipe is quiet significant but try a second hand one if you can't buy new. This pipe can damage the O2 sensors, break at the flanges, weldings, cause leaks... It could be a nightmare.
The Turner Test Pipes provide as much as a gain as the $2000 xpipe...its been proven. Some of the cars that have made the most hp are the ones with the Turner Test Pipes..they cost $400.

Dave
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2013 M3 Coupe-MR/BLK ZCP, ACM test pipes, BPM Stg2 dev. tune and Megan catback, AFE Stg2. with C/F elbow
Previous rides: 2011 M3 Coupe-MR/Blk
2007 Porsche 997C2S Speed Yellow/Blk sport seats
2004 BMW M3 Imola/Blk
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