Hmmm, my guess is you are buying instructions on how to partially block your egr.


97 SE MTX, KKM, UR UDP, 19# Injectors, SVT TB, SVT UIM, SVT Flywheel, Grizzly Street Clutch, Upgraded motor mounts, mystifed precats, brand new main cat, SVT exhaust sans resonator, 205-55-15 Dunlop SP5000's

154hp / 156 tq before the SVT exhaust, SVT dual honed upper and swapping the mystery main cat for mystery precats.

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