Throttle Body Spacer 2009 Siverado 4.8L
Reviewed By Thomas T (Atkinson, NE) Reviewed for a 2002 Ford F-450/550 —12/15/2010 10:41 PM
Very easy to install, about 15 minutes. No whistle like some of the other brands. Still checking mileage, first half a tank calculated increase of .4 miles per gallon.