This was made as of May 2006 with the custom progressive nitrous system I made for the LS. The dyno read really low. Actual rwhp numbers are probably closer to 350rwhp. Custom STS turbo will be replacing nitrous system this fall. Shooting for 350-375rwhp and solid 12's.
Looking for a Used LS in your area?
CarGurus has 846 nationwide LS listings
starting at $995.