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Super chips on performance tune?
I now have the cat off and EGR spool in. I have a super chips tunner and wondering if the performance tune is a problem with stock gasket's and stock head bolt's? Super chips says not any more of a problem than stock and a couple others said the same, any thoughts because I would like to keep this tune in as I am told I will get the best milage with it and it is more fun.
Also I have an insufficient EGR recirculation code and an insufficient exhaust back pressure code. So far it is running great with no dash light's but the code's are coming up on the tunner when I check code's. The truck is an 04 and I have the EGR valve plugged in setting on top of the motor. Will this be a problem long term? Thanks!