07-29-2021, 06:51 AM | #1 |
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Anyone selling a M Performance Exhaust
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07-29-2021, 07:09 AM | #2 |
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Leasing is the time to get one.
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07-29-2021, 07:34 AM | #3 |
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I bought my car then decided I wanted the exhaust, big mistake. I can’t even find one for sale and BMW said they don’t know how long it would take for an ordered one to show up. Get it before like adeuel said.
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07-29-2021, 08:29 AM | #4 |
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07-29-2021, 04:38 PM | #6 |
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07-30-2021, 09:35 AM | #8 |
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Have you tried just removing 2nd cats and resonators and add x pipe? Hell of a lot cheaper, reversible, and retain use of flaps. Everyone who's done it loves it. Just a thought.
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07-30-2021, 10:16 AM | #9 | |
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07-30-2021, 10:28 AM | #10 |
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07-30-2021, 10:29 AM | #11 | |
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'07 Yamaha R1 (sold)
'06 C55 AMG (sold) ‘?20 M5, MP Carbon Pro Spoiler, MP Carbon Diffuser, MP Black grille and gills, MP Carbon Mirrors, CF side sills, 789M w/ Ti studs, eventuri, Dinan X pipe '14 X5 50i (wife’s now) |
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07-30-2021, 10:47 AM | #12 | |
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Good point, I don’t know, the SA just freaked me out when I mentioned getting an Akrapovic exhaust telling me BMW could and probably would deny future warranty claims and I wasn’t sure how far reaching it was. Last edited by M5C_Uber_Alles; 07-30-2021 at 10:57 AM.. |
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07-30-2021, 11:06 AM | #13 |
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Oh and another question, if I delete the 2nd cats, will it throw codes at me I’ll have to map out?
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07-30-2021, 11:11 AM | #14 |
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The other question that I have is will it diminish the power because it will reduce the back pressure. Whenever people try to modify the exhaust they have to keep in mind that they could throw off the pressure of the system which usually leads to less torque.
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07-30-2021, 11:28 AM | #15 | ||
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07-30-2021, 01:02 PM | #16 | |
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And no, second cats don't have any sensors. It shouldn't even be an issue with smog but I've never had one personally done as Im registered in a red blooded American state. 😆
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'07 Yamaha R1 (sold)
'06 C55 AMG (sold) ‘?20 M5, MP Carbon Pro Spoiler, MP Carbon Diffuser, MP Black grille and gills, MP Carbon Mirrors, CF side sills, 789M w/ Ti studs, eventuri, Dinan X pipe '14 X5 50i (wife’s now) |
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07-30-2021, 01:03 PM | #17 |
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There is still plenty of back pressure. Going straight pipe could be an issue but simply removing resonators and 2nd cats won't affect the turbos negatively.
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'07 Yamaha R1 (sold)
'06 C55 AMG (sold) ‘?20 M5, MP Carbon Pro Spoiler, MP Carbon Diffuser, MP Black grille and gills, MP Carbon Mirrors, CF side sills, 789M w/ Ti studs, eventuri, Dinan X pipe '14 X5 50i (wife’s now) |
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