Reviewed By George W (Bonaire, GA) Reviewed for a 1999 Ford F-150 —10/29/2015 6:40 AM
my name is george it wasnt to bad to in stall an you can tell in the performance of my truck an well in my gas mileage
Reviewed By Alejandro I (yuma, AZ) Reviewed for a 2009 Ford F-150 —3/15/2017 8:46 PM
I bought this spacer to improve hp and throttle response, i did notice a whistle sound from 2500 to 3000 rpm and also more hp when accelarating. It is not a huge improvement but i did notice a little more than stock.