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06-14-2013, 04:46 PM
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#1
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Senior Member
Join Date: Mar 2013
Age: 34
Posts: 1,047
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Re: cat less
Aftermarket tunes that tune out the cats will show not ready on system readiness monitors. You can have one "not ready" and still pass. It's funny, ive heard these cars will pass a sniffer even without cats. Ive never had anyone do a visual on my inspections, I usually sit out and watch. Not to say they arent supposed to look underneath....
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2013 Race Red Mustang GT 6MT: 20" AMR's, GT500 AB, JBA LT's and ORX, SCT SF3/X3, MGW Short Throw, Some Carbon Wrap, Spoiler Delete, Eibach Sportlines, Koni STR.T's, BMR LCA's, BMR Relo Brackets, BMR UCA, Freedom Racing PHB, Maximum Motorsports CC Plates, BMR Safety loop, DSS Aluminum DS
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06-14-2013, 06:35 PM
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#2
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Member
Join Date: Mar 2013
Posts: 64
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Originally Posted by JDMLOL
Aftermarket tunes that tune out the cats will show not ready on system readiness monitors. You can have one "not ready" and still pass. It's funny, ive heard these cars will pass a sniffer even without cats. Ive never had anyone do a visual on my inspections, I usually sit out and watch. Not to say they arent supposed to look underneath....
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True True. If you have an offroad on the 2005 and up it will not pass inspection visually or by the OBD2
Besides the cats dont rob that much power
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06-15-2013, 05:36 AM
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#3
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Senior Member
Join Date: Sep 2012
Location: Saginaw
Age: 38
Posts: 903
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Originally Posted by slim87gt
Besides the cats dont rob that much power
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15rwhp is what vendors are claiming for o/r pipes, even if that's a little on the high side that's cheap horsepower.
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06-15-2013, 07:46 AM
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#4
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King of the Multi-quotes
Join Date: Jun 2012
Posts: 198
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Originally Posted by JDMLOL
Aftermarket tunes that tune out the cats will show not ready on system readiness monitors.
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Not if you know what you are doing. 
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06-20-2013, 06:43 PM
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#5
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Member
Join Date: Aug 2012
Location: TEXAS
Posts: 89
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Originally Posted by 04sleeper
Not if you know what you are doing. |
Is SCT capeable of it on these cars? I know with hp tuners you could do it on chevy's. I didn't know you could tune it out on these cars or do you have a different way of doing it?
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