MBRP Exhaust 4" Down Pipe for HX40 Turbo.4" Down Pipe for HX40 Turbo.Features and BenefitsAluminized Steel Construction. Dyno Proven Your MBRP performance gas exhaust system has undergone countless hours on our in-house Mustang 1100 AWD-SE Chassis Dynamometer, hundreds of miles on road and track and numerous tweaks and modifications to get the most out of your truck. From the vehicle specific muffler design to the fully mandrel bent tubing to minimal bend degree angles, your MBRP performance system gets exhaust out fast. An MBRP performance exhaust system is the starting point to getting the most from cold air intakes, programmers, modules and downloaders.4" Down Pipe. (Only works with HX40 Turbo)Bolt-On Yes/No: YesFuel Type: DieselMajor: DieselMaterial: Aluminized SteelMinor: Down PipeProp 65 (C, R or CR): CRProp 65 - Short Label: Prop65warning.pdfProp 65 Yes/No: YESRestrictions: Not To Be Sold In California.Title: MBRP Exhaust 4in. Down Pipe for HX40 TurboTubing Diameter: 4 InchType: DownpipeUPS Able: YesVehicle Segment: Truck