Have you actually done any real work research on what kind of $$ it takes to make the 6.2 produce 600rwhp daily ?
Tune & long tubes are a solid 5K...
For 15K you can get a claimed "650 crank" HP from MHP..
http://www.modernhorsepower.com/cgi-bin/shopper.cgi?preadd=action&key=MC63S3CMRPACK
Or 15K for a S/C kit
http://www.weistec.com/m156sc.html
And you can get a cool 500rwhp..
Looks clean.
(and slow).
Welcome, we have a track day this friday @ NTR.
Sign up, and come hang up with your new found car friends!
http://cr-earlyfall11nonseniors.eventbrite.com/