Dan at Grassroots Garage put the 16% M7 with grooves and ventilation and hypermaticsuperdrive and a new belt on my car today. At least I think it had all that. ;-) It certainly bumped the max boost from 11lbs to just shy of 15 at redline. (Yes, I use my rev limiter, it came with the car didn't it?).

Regardless of brand, I'd say this is a GREAT mod! I really like the torque/hp available at higher speeds/gears that didn't seem to be there before. Plus, the Helix CAI or the S/C itself or something is louder and that always makes a car feel faster, besides when that and the Invidia are wailing, who needs a radio?

 

....and what color

 

Damn, don't you hate when you post a comment regarding the post before yours and then you realize that someone else posted between your post and the post you were refering to, or you see there's a whole nother page of posts after the one you read, grrr. i gotta start using that quote button