i was wonder i have the invidia cat-back and test pipe how do i get rid of my check engine light. i will be going supercharged this spring should i get the 4.57's or stay stock and get the headers but my main concern is getting rid of the check engine light

 

This will get rid of your testpipe CEL

https://www.s2ki.com/forums/index.php?showtopic=229959

 

Your options are:

1. get plug fouler bolts
2. get the test pipe bolt from J's
3. get the simulator from comptech