The MBRP Armor Lite 4" Filter-Back Exhaust System S6059AL can reduce backpressure and lower EGTs in your GM 6.6L Duramax L5P. This Armor Lite Exhaust (formerly known as the Installer Series) features 4" heavy-duty aluminized steel piping and fully sealed seams will increase the life of this exhaust system. Mandrel-bent tubing means this exhaust system will retain a true 4” diameter no matter the length or number of bends in the system. Give your vehicle a unique sound with an MBRP exhaust. Enjoy a performance exhaust note without the aggressive volume. Your vehicle should have sounded this good from the factory. Included with this exhaust system is a high-polish 5” tip with a rolled edge for a clean look.  The Single Wall, Rolled Angle Cut, 5-Inch Tip Outlet is formed from T304 Stainless Steel with a mirror-polished finish, this tip style features a single wall of steel, perfect for a classic look with the functional benefit of being extremely durable.

• 5" Polished Tip
• Filter-Back Exhaust
• 4" Mandrel Bent Tubing
• Crafted From 16 Gauge Heavy-Duty Aluminized Steel