AFE 49 34130 Vulcan Series 3" Dual DPF Back Exhaust System 2020 2022 Best Exhaust aFe Power Rebel Series 3" Stainless Steel Cat Back 2022 2023 Toyota Tundra aFe Vulcan Series 2 1 2" 3" 304 Stainless Steel aFe 49 36502 B Vulcan Series 304 SS DPF Back Exhaust System with. This cat back exhaust system is constructed of 2 1 2 IN 3 IN mandrel bent 304 stainless steel tubing for maximum strength and durability. This system features a high flow 304 stainless steel muffler and acoustically tuned expansion chamber for a deep exhaust tone. Finishing off this exhaust system is a 4 IN diameter black 304 stainless steel exhaust tip. The tip features a laser etched aFe POWER logo for a unique style. This exhaust features an acoustically tuned expansion chamber for a deep exhaust tone. 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. State of the art computer aided design technology is utilized for precise vehicle fitment. 100% MIG Welded for race proven strength and durability. Features: Constructed from 2 1 2 IN 3 IN Mandrel Bent 304 Stainless Steel Tubing 4 IN Diameter Black 304 Stainless Steel Exhaust Tip Acoustically Tuned Expansion Chamber for a Deep Exhaust Tone Utilizes Factory Style Flange and Hangers for a Secure Fit 100% MIG Welded for Strength and Durability