Originally Posted by thebigragu99
2 things ,first Cobb told me it requires Fbo with 93 OCT!..second ,I though that the jb4 makes 400 whp or over on 93 OCT I'm I wrong??
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.