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11-08-2013, 01:02 PM | #1 |
Second Lieutenant
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sdrive 20i custom downpipe
i currently have a small muffler at rear and i deleted front muffler..i am thinking to install a custom downpipe.does anyone tried downpipe on n20 engine ? any errors or any performance losses/gains ?
i need your opinions , thank you |
11-08-2013, 01:10 PM | #2 |
Lieutenant General
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I think a good first step is to see if there is a tuner that supports your engine and ECU combination.
Might not really see gains without the tune. Also would be good to check on FMIC |
Appreciate
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