Gravana Tuning Pontiac G8 GT 420HP Tuned Package

The package inlcudes the Rotofab Air Intake System, JBA 50-State-Legal Stainless Headers, Maganaflow Stainless Exhaust, and Custom Gravana Tune.  This package has been proven with Gravana customers, works perfect on 91 octane, and is available to all G8 GT owners.  No you don't have to drive your car to Gravana.  Simply place your order, ship your PCM to us and we will load the tune for this package, and ship it back to you with the intake, exhaust and headers.  While the crank HP is @ 420, real world numbers with a 15% drivetrain loss averages Rear Wheel Dyno figures of 357 HP and 355 TQ, yielding increases of 39 RWHP and 33 RWTQ. 

FREE SHIPPING THROUGH OCTOBER 31ST!

Normal turnaround for PCM programming is 1 day.  Expedited shipping is available if you need it.  We can also save your stock tune in case you need it.   

PCM SHIPPING:

Gravana Tuning

21182 Centre Pointe Parkway

Suite #110

Santa Clarita, CA 91350