Vortec Performance Tuned
LQ9 built 4L60 LTs and a billion miles on the speedo!
looks like some sort of intake silencing.
Sign me up for one. Yeah, intake noise cancelling chambers.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
I bet you those will scream....they are makin 300 from the factory. And its a little ass truck...I want one.
T-RAV99 GMC | 5.3 | Skinny White Guy Tuned