i have a cadillac ext and i just got off the phone with HO and they said 240 was the best they could do or they could duble stack them ....not shure if they would fit dose any one have any good leads on biger alts or know if it will fit dubble stacking i want to run that zapco c2k and 4 15 and a apm for the higs
....240 should cover it...you need to find out how much current you'd actually need. dont forget you need room to run all the other things in your car as well.