Since I've had my new CompG, I've been suffering from RBGM(really bad gas milage). My 03 GTP averaged 28+ mpg. My 04 only averaged 20 since the day I got it. Yesterday I installed the Wizaired CAI that used to be in my 03 with a little modification. I also changed my oil to Mobil 1, 0 w30, full synthetic. And finally, I pumped up my tires to 41psi. What's my milage now? Well I took a hundred mile road trip today; mostly highway but with some stop and go and a couple of hills and twisties. My average mpg was 26.8. That's a big frickin difference. As far as the CAI; I didn't think it would make much of a difference, but holy night and day Batman. I really felt a bump in power. No joke. Big difference and it sounds awesome. Even better than it did on the 03. Here's a pic:
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JackO
2004 GTP CompG. WS6, 3.29 axle, HUD, tapshift, Premium sound, XM radio, leather, sunroof, 17inch 5 star chromies, BFG Comp T/A. Wizaired CAI.
Traded in. 2003 GTP. Every option but HUD. New Mods: Wizaired CAI, SLP Headers, Cat, U-bend and Downpipe, 3.2 Modular Pulley, Phase 3 rollers w/OR Pushrods, Larger Belt Tensioner Pulley, Gatorback, AL103's, 180 Degree Stat, DHP
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