Gibson Performance Exhaust 615530 Cat-Back Single Exhaust System Stainless 3 in. Tubing 8 in. Round Body 3 in. Offset In/Outlet L-24 in. 3.5 in. Polished Slash-Cut Tip Exit Behind Rear Tire Cat-Back Single Exhaust System 2000-06 Chevy Suburban/GMC Yukon XL 4.8L-5.3L 2WD/4WD 3" Pipe, 3.5" Tip 3-in. stainless mandrel bent tubing. Gibson Muffler features a baffled & chambered design, no internal packing, powerful deep tone.