the smog system removal was my most recent mod on my car and everything i read about it said that the gains were minimal to none.but i'll tell you that i felt a big difference after i did it.if you went from cats to no cats that was probably where most of your jump came from.i dont know about the dyno equipment difference.
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1994 GT 5.0 5-speed
BBK O/R H-pipe
flowmaster 2 chamber
densecharger(demolet motorsports)CAI
3.90 motive gears
BBK progressive rate springs
king cobra clutch
air pump and smog system removed and shorter belt
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