Thread: Tuners Help
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Old 06-18-2013, 08:43 PM   #7
2nd Gear Member
Join Date: Oct 2011
Vehicle: 2012, Ford, Mustang GT
Location: MD
Posts: 443

W/ out the cats, the car thinks that there is something wrong. You HAVE to have a tune to turn the down stream O2 sensors off if you are running cat-less. I doubt someone at Bama or AM told you that you can run w/out cats and w/out a tune. (not saying you're lying) Bama offers a catless tune for this reason. I'm surprised you don't have a CEL running cat-less.

"Scarlette":2012 GT 5.0, 6spd man, Brembos, 3.73, RACERED/Black, Deleted stock mufflers.
12.959 @ 110.9 (Oct 7, 2011)

"Brisco": 2000 F-350 XLT 7.3L Powerstoke, 6spd man, Crewcab/LB, 4wd, so many performance mods I've forgotten 'em all. Down for the count. NO BRAKES and NO CLUTCH!
16.149 @ 84mph (in 2007/7800lbs)
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