The Custom Builder Pipe Kit series has lifetime backed stainless construction and offers the most options for customization. For the Racer, it provides a mandrel bent pipe-only exhaust from Turbo to tail pipe complete with all hardware. For the street driver, the CBPK is the basis for a custom exhaust that allows you to purchase and install the converter, muffler and tip of your choice. PartNumber : mag18956 Description : SYS TB 99-02 Dodge Ram 2500/3500 5.9L Main Piping Diameter : 5 Material : Aluminized Series : Aluminized Custom Builder Anticipated Ship Out Time : Approximately 1-2 Days Attachment Style : Bolt-On/Clamp-On Color/Finish : Aluminized Downpipe Diameter : 4 Exhaust Inlet Connection Type : Bolt-On/Clamp-On Exhaust Pipe Material : Aluminized Muffler Quantity : Sound Level : Moderate Exit Location : Single Passenger Side Rear Exit Quantity : Single Recommended Use : Performance System Type : Turbo-Back Tip Quantity : Warranty : 1 Year Limited Exhaust Type : Turbo-Back Exit Position : Single Rear Inlet Size (in.) : N/A Attachment Type : Bolt-On/Clamp-On Downpipe Diameter (in.) : 4 Finish : Aluminized Inlet Connection Type : Bolt-On/Clamp-On Inlet Inside Diameter (in.) : N/A Main Piping Diameter (in.) : 5 Muffler Count : System Type : Turbo Back Title : Cat Back-Diesel Alum Tubing Diameter : 5.00 in. WARNING CA Proposition 65 : No California Proposition 65 : WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov Downpipe Diameter : 4.000 in. 1999-2002 Dodge Ram 2500 Base L6.-cc Exhaust, Mufflers & Tips::Turbo Back 1999-2002 Dodge Ram 3500 Base L6.-cc Exhaust, Mufflers & Tips::Turbo Back