Check Out Goosetuned testing the Gen 3 3.5L with our Stage 4 turbo upgrade. 622whp and 603wtq!!! MODS: COBB Accessport tuning device ID1050cc Injectors CRP Stage 4 turbos COBB Front Mount Intercooler COBB Cold Air Intake SPD Catted downpipes K&N Boost tubes E85 fuel