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BMW 3-Series (E90 E92) Forum
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To be or not to be
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| 08-08-2014, 03:39 PM | #1 |
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To be or not to be
Im opening this thread for suggestions on whether I should go for my exhaust either 3" all the way or 2.5" at Y gate both exiting pipes. The shop stated 2.5 both ends starting at the Y so I can hv some back pressure but our cars are DIESELS so I beleive it might not make a difference. So let the games begin any advice is better than none. Gracias
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| 08-08-2014, 03:58 PM | #2 |
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North American 335d Post DPF Removal Exhaust Ideas http://www.e90post.com/forums/showthread.php?t=1009945
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| 08-08-2014, 04:58 PM | #3 |
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BMW Advanced Diesel, 2011 BMW 335d M sport...
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3 inch, unless their is a fittament issue where it is to big, 3.5 for the exhaust tips, looks meaner...since it's a diesel do dual smoke stacks like a big rig...
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| 08-08-2014, 09:17 PM | #10 |
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I know a guy who ran 4" pipes on his 335d and he increased 10 HP easily. Before this exhaust he was a virgin and after it, I kid you not, the guy had more poon than a gynecologist.
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| 08-08-2014, 09:53 PM | #12 |
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Sick!^^^
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| 08-08-2014, 11:47 PM | #13 | |
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 I'm heading to Home Depot tomorrow morning. Sick! |
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| 08-08-2014, 11:50 PM | #14 | ||
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| 08-09-2014, 12:04 AM | #15 | |||
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JR Auto tune and Bohl Diesel Downpipe - KWv2 coils - Apex Racing 18" EC7 wheels wrapped in Michelin PSS 245/275 F/R - Zimmerman cross drilled rotors F/R with Hawk HPS pads - SS brake lines - Motul RBF 600 - ADD W1 oil catch can - BMW performance CF spoiler
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| 08-10-2014, 09:25 AM | #16 | |
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| 08-10-2014, 02:14 PM | #17 | |
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The turbocharger provides the baby but of back pressure. Everything post turbo should be as free flowing as your taste/budget/fitment allows. |
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| 08-11-2014, 06:26 AM | #19 |
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Yohz I wouldnt stoop that low LOL
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