Materials:Made of High Quality Alloy Steel with Computerized Mandrel-Bends for Strength and Durability Smoke kits: T409 Stainless & Coated Silver; Thickness: 2.0mm; Inlet Diameter: 4"; Mandrel Bent Tubing For Maximum Flow Exhaust Stack Tip Dimension:4" OD；Overall Length:60"; Thickness: 1.6 mm;Surface Finished:Polished to Mirror Chrome Plated Fitment:Universal; Compatible with Truck Dodge Chevy Ford; Installation should depend on the inside diameter and outside size Easy Installation:Professional installation is highly recommended; Package includes1 Set Smoke kit with 2PCS Exhaust Stack Pipes

BIGREAT 4'' Inch Turbo Dual Smoker Diesel Exhaust Stack T Pipe System with 2Pcs Chrome Curved Exhaust Stack Tips(4" OD x 60" Long Exhaust Pipe Truck Pipe)