Reviewed By Luis D (BRISTOW, VA) Reviewed for a 2005 Chevy Silverado —7/8/2015 4:41 AM
I don't really can tell about the HP because I don't have a way to measure it but I think it helps somehow.
Reviewed By Don J (Appleton, WI) Reviewed for a 2013 Dodge Durango —6/6/2015 8:08 AM
I installed the Econoaid throttle body booster and no kidding I'm getting 3 mpg better on my 5.7 hemi Durango than before. Between the aFE intake magna flow pipes and this I'm now getting about 17/23 vs 14/20. The biggest part is the little booster gasket for $30.00. Power wise I can't tell much but that's been covered with the other mentioned parts. Get one!
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