TUNER's .. exhaust CUTOUT !! HELP
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TUNER's .. exhaust CUTOUT !! HELP
1 3/4 headers to 3.5 y pipe all the way to stock cat back ... electric CUTOUT in Y pipe ... plan is to dyno tune with cutout open ...... but need to cruise almost always with a quite exhaust = closed cutout ... what are the bad parts in this proccess ....!!
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As long as you have your MAF sensor still enabled and working, itll still be accurate.
It might throw off a speed density tune a little but on my car it is only a few percent difference in fueling. Keep your o2s enabled for closed loop, itll be able to adjust even if in speed density mode.
It might throw off a speed density tune a little but on my car it is only a few percent difference in fueling. Keep your o2s enabled for closed loop, itll be able to adjust even if in speed density mode.