anytime that you compress air whether it be a supercharger or turbo, you do heat the air and can compromise power as well as increase your chances for detonation and lean conditions. Typically over 6-8 lbs of boost is about the point that you would want to start considering a cooler. Once you reach 12-14 lbs, it's almost a necessity unless you have the ability to fine tune your engine management software with a stand alone system. Granted, a turbo(s) will create a hotter discharge temp generally. I wouldn't worry about your setup unless you decide to start pushing the boost much higher. Most likely that supercharger kit will not generate more than 8 psi, probably more like 6.
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