You might lose a little bit of power due to the pulling of a few degrees of timing. The power added by the bottle will more than likely make you happier. They shouldn't put your tune back to stock just to pull out a few degrees of ignition timing.
95 Contour, Custom EVO bodykit, 2.0l, PNP Focus head, Stage 2 cams, Je pistons, Eagle rods, 4in1header, 2.5" header back exhaust(complete stainless), D P nitrous, ram air intake, 10mm wires, flamethrower.
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