Reviewed By Melissa A (FERNLEY, NV) Reviewed for a 2001 Ford F-150 —7/25/2014 8:48 PM
Only room for improvement is the instructions.
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.