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BMW 3-Series (E90 E92) Forum
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Procede & turboback - afr?
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06-05-2007, 06:25 PM | #3 |
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I'm sure some people have custom DPs. SS DPs look just simple pipes. How hard can it be to make those? Catback gains are so marginal that I would not consider anything less than turboback.
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06-05-2007, 06:27 PM | #4 |
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http://www.e90post.com/forums/showthread.php?t=65305
This exhaust will be down pipe back...doubt anyone has the turbo back just yet
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06-05-2007, 06:44 PM | #5 | |
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Quote:
they do look like simple pipes but lots of fabrication does go into it in making them fit perfect since there isnt much room there. power gains are going to be awesome with cat deletes and turbo back.. |
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