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jsbgump · 08-12-2008, 11:48 AM

I have a 06 GMC CC with the 5.3 and am thinking of adding some stuff to help the milage out some. I am looking into thethrottle body spacers/cold air intake/and exhaust. What have yall used and what made the biggest difference?

08-12-2008, 11:48 AM	#1
jsbgump Gone Fishing Join Date: Aug 2005 Location: Fort Worth, Texas 76135 Posts: 12,361	What add-ons have yall added for milage? I have a 06 GMC CC with the 5.3 and am thinking of adding some stuff to help the milage out some. I am looking into thethrottle body spacers/cold air intake/and exhaust. What have yall used and what made the biggest difference? __________________ 68 Chevy Short Fleetside LSX Swap Under Way 3.73 posi 2.5/4 drop Frame of resto has been started 2022 Hyundai Tucson Limited 2019 Chevy Traverse Redline Edition Wifes Ride Build Thread http://67-72chevytrucks.com/vboard/s...=1#post3483616