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BMW 3-Series (E90 E92) Forum
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Zoomers exhaust. * Pics *
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05-08-2007, 04:23 PM | #133 | |
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If we decide to make a bolt-on exhaust for this platform we will need a car for fitment and testing systems after the jig is built. Would you be willing to donate your vehicle? I'll need a 4 door and coupe.. |
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05-08-2007, 04:27 PM | #134 | |
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if you need a 4 door just let me know....and i got you covered. |
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05-09-2007, 03:44 PM | #135 |
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07-31-2007, 09:56 PM | #137 |
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FWIW- Using X-pipes on a FI exhaust is both unneccessary and not recommended. It works fine for equalizing back pressure on a NA engine like the Vette, but on a turbo you want free flow aft of the turbos. The x-pipe just adds unwanted turbulence in the exhaust flow which works against the function of the turbo. This from a fluid dynamics engineer on another thread.
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