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04-25-2012, 07:13 PM | #1 |
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High Flow Cats
Looking for high flow cats for the 535i
don't want to void the warranty on the car but want the power. Currently I have a quad Megan Racing axle back exhaust system and id like to get a little more noise but with as little drone as possible thanks for the help |
04-25-2012, 07:40 PM | #2 |
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no one makes them! i had downpipes, but u are going to have CEL no way to fix it as of now from what i was told even with a tune.
hit up rsituning.com
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04-25-2012, 07:51 PM | #3 |
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04-27-2012, 02:48 AM | #4 |
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definately a difference in sound and power!
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04-27-2012, 08:06 AM | #5 | |
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I'm selling it pretty soon. PM me if your interested. |
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04-27-2012, 08:54 AM | #6 |
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op, not to high jack thread but my question is within the same thing....I'm having a custom exhaust system made but not touching the downpipe, anyone know if theres a cat after downpipe? If not replacing downpipe and the rest of the piping has no cat will I get a CEL?
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