New! ATI Super Damper for 2011+ 5.0L 4v with VMP 25% overdrive pulley/ring on second shiv. Pump up the boost on your 2011 5.0L Mustang or F150 with VMP, Roush, or Whipple supercharger. Will only add boost with the rear inlet whipple supercharger kits!
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Status: FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. THE SALE, USE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. / 7522(A)(3)).