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#1 |
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Registered User
Join Date: Apr 2011
Location: Saskatchewan Canada
Posts: 19
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i have a 2003 gmc sierra rc/lb 2wd with 3.42 gearing in the back and my mods are flo pro 2.5 "si/2.25"do muffler, an AFE stage 1 kit, and an Airaid mit tube on the way. and i have a built stage 1 4l60e tranny as well. what will i be expecting for horespoer, torque, mileage and what not?
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| exhaust, intake, performance mods |
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