Mine was installed and tune updated by Vengeance this weekend at C5fest...no numbers yet.
The car seems to run smoother (commented on by both my wife and son)...not sure if this is due to the vararam or the tune. The revs seem to climb faster and acceleration certainly seems 'cleaner'...in hindsight I would say the car previously seemed to be fighting itself.
All just opinion and conjecture on my part...but I've got an LMR CAI up for sale...
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Car is for sale --->
http://www.camaro5.com/forums/showthread.php?t=158486
Current Summary:
Engine:Phase One-(All work by Vengeance Racing): Custom Cam, AR Headers, ported throttle body, ported intake, custom tune, dual valve springs, hardened push rods, under drive pulley, thermostat, Vararam CAI, C5R timing chain, Melling oil pump catch can, breather, MagnaFlow Sport Axle Back
Suspension: Pfadt Sport Sway Bars, Pfadt drop springs
Other: MGW Shifter, Custom Paint
my build journal ---->
http://camaro5.com/forums/showthread.php?t=30057