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BMW 3-Series (E90 E92) Forum
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Obx Headers for e90?
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06-01-2010, 09:30 PM | #67 | |
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How much are the headers themselves? Plus new header gaskets etc...
What's the estimated hp and tq gains on the OBX? I assume no more than 15-20hp Anyway, keep us informed :-) Quote:
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06-01-2010, 09:42 PM | #68 |
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06-02-2010, 02:25 AM | #69 |
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Just in case you guys didn't already know.
http://www.horsepowerfreaks.com/perf...xhaust/Headers
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06-02-2010, 05:46 AM | #70 |
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$1400 for 10whp.
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06-02-2010, 06:49 AM | #71 |
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06-02-2010, 02:25 PM | #73 |
missing two turbos.
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335 to a 328 involves more than just power increase.
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06-02-2010, 04:39 PM | #74 |
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Why do you need O2 simulators? O2 sensors are located on the OBX headers as on the original manifold before the primary cats.
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06-02-2010, 04:39 PM | #75 |
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06-03-2010, 07:26 AM | #76 |
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OK, I thought that the secondary sensors are located behind the secondary cats. I just checked and I was wrong.
Any recommendation where to get the simulators?
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06-03-2010, 01:00 PM | #78 |
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Does anyone know if a secondary cat delete help in power or even sound? Since the headers will delete the primary cats, i mind as well remove second also. will doing this cause me to fail inspection?
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06-06-2010, 10:08 PM | #80 |
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Hello all this is my first post in this forum. I just got my 325i at the auction about a month ago. I've been a turbo Volvo tuner for over a decade and this is my 1st BMW. I'm excited to start modding it. I had a OBX downpipe and exhaust on my Volvo. It was great sound wise. The welds look a bit primitive but they are solid. I ragged on that car hard I was pushing 350 whp. OBX products are solid.
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06-06-2010, 10:23 PM | #84 |
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Im having some done up for me by terry @ BMS but we have to do the final tweaking when the headers are installed. im placing the order by tuesday for them and will be done friday
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06-06-2010, 10:28 PM | #85 |
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If thats the case. I'll wait for you to finish the tweaking b/c I want a good working product. I hate the CEL. Let me know when your done. My brother has a shop All Out Performance by tamiami air port you can send it there. That's where I'm doing the install, for freezy neezy.
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06-06-2010, 10:34 PM | #86 | |
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Quote:
if you want the headers cheaper then the ebay price, drop me a PM |
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