WILL THESE ADD ANY POWER TO A BONE STOCK 3V 4.6?? I HAVE A 06 GT THAT HAS A LEAKY INJECTOR AND IF IM GONA SPEND MONEY TO REPLACE ID LIKE AN UPGRADE.. IS THIS SOMETHING THAT WILL HELP A STOCK GT OR IS IT SOMETHING THAT WOULD ONLY IMPROVE OTHER UPGRADES??? WILL IT EFFECT FUEL ECONOMY? IM GETTING...
BONE STOCK 06 MUSTANG GT 5 SPEED... GOT 95000 ON HER NOW AND OWNED SINCE SHE HAD 4000 MILES... ALWAYS GOT AN AVERAGE OF 21.5.. I DROVE IT FROM FLORIDA TO SAN ANTONIO ONCE.. SET CRUISE ON 75 THE WHOLE WAY THERE AND GOT 25.5 MPG ON THE WAY HOME SET THE CRUISE ON 65 AND GOT 29.8... LAST TRIP I...
