Air Lift LoadLifter 5000 Ultimate Rear Air Spring Kit for 08-10 Ford F-450 Super Duty 2003-infiniti-fx35-esi1493016 Dual Y-Merge Assemblies: Evenly distributes

Dual Y-Merge Assemblies: Evenly distributes exhaust pulse s to minimize interior drone and enhance external tone

Don't let rubber infest your Fiat

It features Borla's aggressive ATAK sound with no drone inside the vehicle

9L Cummins engine

These headers were designed to pair with our own LS1 Swap mounts (IS-350-LSMKT) and to fit your existing 350Z Y pipe allowing a quick and easy install to your current exhaust or upgrading to an ISR Y pipe and cat back exhaust

Air Lift LoadLifter 5000 Ultimate Rear Air Spring Kit for 08-10 Ford F-450 Super Duty 2003-infiniti-fx35-esi1493016 Dual Y-Merge Assemblies: Evenly distributesLoadLifter 5000 ULTIMATE adjustable air spring kits feature all of the benefits of our heaviest rated air spring with the addition of an internal jounce bumper inside the spring for the ultimate in ride comfort. An Air Lift exclusive product. Tow and haul the heaviest loads with safety and comfort with LoadLifter 5000 ULTIMATE. Works with vehicle's leaf springs to provide up to 5,000 lbs. of rear load leveling capacity and keeps the vehicle riding