I see the Tundra came with 381 HP
My SS came with 365 (6 ltr) and after adding a cold air intake and having the PCM changed/tweeked, and magnaflow duals put on...it should be at 400...ish.
The best thing is its AWD ! BOY does it launch

off the line
The pisser is I cant find a AWD Dyno !!
