Mufflex 4 inch Exhaust on LS Swapped third gen Camaro.

Installing the mufflex 4 inch catback exhaust system on my 1985 LS3/T56 swapped Iroc-Z third gen Camaro. After running it on the dyno at street machines nationals I quickly found out I outgrew my single 3 inch exhaust. ‪@magnaflowtv‬ ‪@Scwoodsy‬ ‪@umiperformance‬