In looking for yalls input and/or experiences with the Super Phat Shaft 66 from Industrial Injection. . Preferably from the guys running manuals... How is the spool up compared to stock?. . Average EGT reduction?. . Overall feel and impression?. . I am seriously looking at getting one as the stocker just aint cutting the mustard n e more... I plan on putting on an ATS manifold with what ever turbo I eventually decide to go with... TIA yall...
Moose
Moose