Reviewed By Stephen B (Medway, MA) Reviewed for a
Mercury Grand Marquis
—8/17/2012 8:42 PM
A must have for your vehicle
Reviewed By john l (TREGO, MT) Reviewed for a
—8/12/2017 7:14 AM
Much better throttle response. Very nice power boost. Highway fuel mileage at least as good as stock. I am VERY pleased with results.