A modified Hellcat has broken into the 9s at 135 mph at Cecil County Raceway! Just to give some perspective, this is close to the time that Ronnie Sox and Dick Landy ran with their 1971 Pro Stock Hemi 'Cuda and Challenger. Here are the Hellcat's mods: - Fasterproms custom tune - Fasterproms custom 2.31 pulley - Fasterproms Ported Supercharger - Modified air box, and air duct with modified AFE CAI - Fasterproms Thermal reduction plates (Reduces blower heat soak) - Fasterproms Flex fuel kit (Flex fuel sensor to allow blended e85/pump gas) - Fasterproms 1.5Gal Expansion tank tank for greater supercharge coolant capacity - ARH 1.875 headers - Hoosier 315/30/18 dr's Check out this awesome video. https://www.youtube.com/watch?v=TnxWVMhG4BQ&app=desktop