Vortec (and others) are making a supercharger kit for the 5th gen. rumor has it Vortec will have 100hp s/c that when installed by GM will not hurt the warranty.
put full length headers, cat-back exhaust and the s/c on it and ur at 550hp in the badest car around.
(also, ur name is Mrbowtie26, not Mrgirliemaninawhimpyassmustang!)
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IOM 2SSRS LS3 R6P - VIN 7553 Delivered 5/22/2009 Kooks, Corsa and Roto-Fab - SOLD 9/2010
VR 2SSRS LS3 - Borla, SLP CAI