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03 ford lighting HELP ASAP

Posted: Mon May 05, 2014 6:59 pm
by j james
will my check engine light come on if i cut my back 2 cats off and will it hurt anytg. i hav intake intune and super 10 flowmaster

Re: 03 ford lighting HELP ASAP

Posted: Tue May 06, 2014 9:56 am
by mikel
Yes, you'll get P0420 and P0430 codes.

Re: 03 ford lighting HELP ASAP

Posted: Thu May 08, 2014 9:46 pm
by j james
will it hurt my performace i have a i tune air intake and flowmaster super 10 would i still get codes if i run 2 high flow cats.?? or do i need a custom tune ?

Re: 03 ford lighting HELP ASAP

Posted: Mon May 12, 2014 4:14 pm
by sohfast94
Get a custom tune.