Install HELP!!!!

Yo FELLAS!!
I just ordered my HS CAI, HEADER, and EVO Exh.
Im going to install myself... Can you guys gimme some imput
or warning about problems ill be facing???
Im worried about all the sencors and check engine lights
Thanks

The exhaust will pose no problem, or the CAI as long as you replace the sensor (the HS CAI comes equipped to attach the sensor)


I've never installed a header, but this is where some people get the nasty check engine light...