Don't forget the tranny filter and fuid change. On my 90 I had shorty headers, SIDO exhaust, underdrive pulleys, chip, intake.
Don't forget the tranny filter and fuid change. On my 90 I had shorty headers, SIDO exhaust, underdrive pulleys, chip, intake.
2014 GMC Sierra Crew Cab
-5.3
-Gibson Exhaust