Originally Posted by RnmEvo9
JB4 will make over 400whp on race gas or meth. I made 370whp on pump 93 with just a Helix intercooler, Raceland downpipes and JB4 on map 2 in hot ass Florida weather.
I think your power seems low , I heard Fbo with dci and 3 inch downpipes With full catless makes 400 whp??I saw some dynos doing this on YouTube and burger website..I think it makes over 430 with race and meth.