HOLY CRAP!!!!! nuttin like watching a hemi get a good spanking, 1+ for the colorados' i saw one the other day at the dealer here in town god bless gm for shoving a 5.3 in a little truck
03' sierra Z71 slt ecsb 5.3 throttle body coolant bypass, k&n complete intake kit, descreened mass airflow, dynatech long tube headers into dynatech high flow cats with y pipe into magnaflow split duals out the back.
"I call her trish" ..... cause something this sexy and devious has got to be bad for your health....