aFe (49-04043-B) ATLAS 4" Dual DPF-Back Exhaust System with Aluminized Steel for GM Diesel Trucks V8-6.6L Engine Dual 6 inch wrinkle-black powder-coated tips with laser cut aFe badges Increased flow and performance Bayonet OE-style/welded-on hangers Street-legal exhaust Made in the USA