i have a 90 vert with 4.10s,trans go shiftkit, cobra upper/lower, c@l 76mm mass air/down pipe, 70mm professional products tb,k@n, msd,and underdrives.my question is i have no smog equipment at all, holcomb motorsports offers an egr delete plate that i would like to install, will it make my check engine light come on? all my exhaust is 2.5 inch with no cats and it has not come on yet any help with this will be greatly appreciated