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Re: Mods this Spring
If you look at the stock cats when you take out the stock h pipe, you will see. They are two big screens. And the aftermarket midpipes are 2.5" instead of 2.25".
Now non catted vs stock = good gains
Non catted versus 1 pair of high flow cats = minimal gains
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Vortech V2 S-trim, E85, A2A Treadstone, Comp cams, built engine, full exhaust, built rear, built 4r70, more mods.
Tuned by me with SCT Advantage
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