Borla Universal 2.25in Inlet/Outlet Oval Center/Offset 14in x 4in x 9.5in ProXS Muffler Suspension>Air Suspension Kits 9L Cummins 4 Inch Monster

9L Cummins 4 Inch Monster Exhausts

The Air Lift exclusive jounce bumper inside the air spring replaces the factory jounce bumper and is completely maintenance free

BD differential covers have both internal and external fins for extra cooling plus a sleek curved design

A system with a bright chrome on T-304 stainless steel tip is also available

With a limited-lifetime warranty -- not to mention the Air Lift reputation for great customer service and technical support

Borla Universal 2.25in Inlet/Outlet Oval Center/Offset 14in x 4in x 9.5in ProXS Muffler Suspension>Air Suspension Kits 9L Cummins 4 Inch MonsterProXS Muffler 2. 25" Offset Inlet 2. 25" Center Outlet, 4" x 9. 5" Oval, 14" Long Body, 19" Overall Length. Un Notched necks are designed for weld in installation. If clamping, use 3" wide band clamps 18003 (clamps not included). Reversible design for installation flexibility. High quality T 304 austenitic stainless steel for superior corrosion resistance. 100% welded construction for strength. Free Flow design for improved performance. High