The 0FG is a 3* T304L stainless steel Cat Back configuration featuring AWE*s patented drone-canceling 180 Technology?. Together, combined with precision fitment, class-leading rigidity, and tailored tip options for all bumper variations, you're looking at the Best Sounding Exhaust on the Planet* for the 5.3L-equipped Silverado/Sierra. American-sourced T304L stainless steel with a wall thickness of .065* runs smoothly from front to back, connecting right after the factory emissions equipment. After exiting the 180 Technology? resonator, the 0FG exhaust brings up the rear with dual Chrome Silver tips in split rear fashion. The last exhaust you'll ever need for your Silverado. AWE's No CEL Guarantee, Perfect Fitment Guarantee, and Lifetime Warranty come standard. AWE 0FG Catback Split Rear Exit Exhaust for 4th Gen Silverado/Sierra 1500 5.3L (Flat Bumper) - Dual Chrome Silver Tips