If you are looking looking to get noticed with the sound an look of your exhaust on you 79, look no further than our 4″ side dump System. Flaring to 4″ directly at the turbo dump flange, you will not find the limit in flow of this system. Built entirely in 304 Grade Stainless steel components, Including a CAT in all cases, 8mm flange plates and 3mm folded Stainless brackets, tig welded in house for a premium finish standard. All tube is finished to a 320 grain polished finish. This system is built to suit Single cab vehicles with factory dual fuel tanks. This ensures the mounting bracketry is present on the outside of the chassis rail. This system is available in “strait through” only, and no muffler option is available, due to space available where routed.