03' sierra 4wd 5.3 4l65E right?I know stupid question go ahead and let the jokes start flowing
stupid question 4l65e or 4l60e?
03' sierra 4wd 5.3 4l65E right?
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....
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