Checking before i do this mod!

Started by interloper393, March 04, 2007, 10:16:41 AM

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interloper393

K ma plenums off for polishing but i want to remove the 2nd butterfly and port it also, will i need a remapable ecu and have the car remaped if i do this mod? only have a twin hks and exhaust backbox on the standard ecu, also does it give you ruff idling til warm?
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