The SRT design has the 5.7L engine.
When i had my 300C 5.7L. I was running the 93 octane with the SC tuner and when i would return it to stock for service visits i noticed the engine ran way better with the 93 and the stock tune. Try it , you'll see what i mean.
Diablo Predator 91 octane CIA tune
Pro Charger SC
Magnaflow Highflow Cats
Corsa Catback Exhuast
Motorad 4128 180 Tstat
22Elite Leather Console Cover
SRT Floor Mats
Last edited by 300C_Chris; 03-03-2008 at 07:11 PM.