Our shop 2018 ZL1 made 703rwhp, and ran a 9.6 @ 143mph through our 1 7/8" & X-Pipe. Does that count
Build specs are:
-Stock bottom end (Head & Cam)
-Pump gas w/meth
-Magnuson 2300 Supercharger
-Our 1 7/8" Longtubes & X-Pipe (Stock Muffler)
-15" Conversion
(Mustang 1100MD Dyno)