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Re: Catted x pipe for boost
You might want to check your tune. Perhaps the safety features for keeping the cats cool are shut off or too high of a temp. Once the cats get hot the computer is supposed to richen the air fuel in order to keep it at a safe operating temp.
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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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