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BMW 3-Series (E90 E92) Forum
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Anyone using a Cobb catted DP?
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04-09-2015, 01:05 PM | #23 |
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Were you able to pass emissions with it? I don't see much point in catted DPs otherwise.
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2008 e92 M3: Gintani Sport w/ Topspeed Catless X-Pipe, KW-V3
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04-09-2015, 01:34 PM | #24 |
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04-09-2015, 02:29 PM | #25 |
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Can't you send it back for a refund?
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WedgePerformance E40 MHD | Performance Exhaust Mod | BMS DP | Vibrant 1790 | BMS Intake | VRSF CP | xHP Stage 3 Michelin PSS | M3 Control Arms LUX v4 LEDs | Shadowline Grills | Lip Spoiler |
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04-09-2015, 06:03 PM | #27 |
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I'm in FLA, so luckily emissions don't matter .. my concern is the loudness of going catless.. since the n55 RWD's exhaust is supposedly straight through, it's really loud w/o cats,.. does the catted dp reduce enough back pressure for the turbo to make it worth it? I would like the benefits of quicker spool up etc., but not at the expense of pissing off the neighborhood every morning .. trying to get better flow with least amount of noise..
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05-03-2015, 09:46 PM | #28 |
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