This cat-back exhaust system is constructed of 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability. This system features a high-flow 304 stainless steel muffler, producing an aggressive sound. Muffler finish may vary. Finishing off this exhaust system is a 4-1/2 IN diameter black 304 stainless steel clamp-on exhaust tip. The tip features a laser etched aFe POWER logo for a unique style. This system produces an aggressive sound unleashing all available horsepower and torque. Utilizing a factory style flange and hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. Utilizing state-of-the-art computer-aided design technology, this exhaust system is designed for custom, high tolerance factory fitment. 100% MIG-Welded for race-proven strength and durability. Vulcan Series 2-1/2 IN 304 Stainless Steel Cat-Back Exhaust System w/Black Tip Lexus GX460 10-23 V8-4.6L Lexus GX460 10-23 V8-4.6L