Because of overwhelming demand, the Pypes Exhaust design crew has developed a stack kit for diesel trucks. This kit is a Y-pipe designed to take a diesel truck's single exhaust and allow it to exit from two vertical stacks, right behind the cab. Choose one of the sets of Diesel stack tips we carry to complete the exhaust. 2008 and newer trucks need to have DPF deleted. Pipe Style: Y-Pipe Fuel Type: Diesel Material: 409 Stainless Steel Sold As: Kit Y-Pipe Designed To Convert Single Exhaust To One Vertical Stack Exit Is Right Behind The Cab Choose One Set Of Tips To Complete The Exhaust Lifetime Warranty MPN: STD006 Specifications Brand Pypes Performance Exhaust Manufacturer's Part Number STD006 Part Type Exhaust Pipes, Stack Pipe Plumbing Kits Product Line Pypes Diesel Truck Stacks Stack Pipe Diameter 5.000 in. Stack Pipe Material 409 stainless steel Stack Pipe Finish Natural Hardware Included Yes Quantity Sold individually Notes The kit includes a 3.5 in. to 5 in. and a 4 in. to 5 in. adapter