This MBRP downpipes is designed for the verified 2003-2004 Dodge Ram 2500 application and the additional vehicles listed below. Match manufacturer part number DAL405 and confirm cummins before ordering.Key Features MBRP downpipes selected by exact manufacturer part number Material, dimensions, connection size, exit layout, and finish are part specific Requires confirmation of cummins Only components expressly listed for this exact part number are included Fitment Years Make Model Application 2003-2004 Dodge Ram 2500 Cummins 2003-2004 Dodge Ram 3500 Cummins Specifications Manufacturer MBRP Manufacturer Part Number DAL405 Product Type Downpipes Fitment Type Vehicle Specific Material Aluminized Application Requirements Cummins Condition New What's IncludedOne new MBRP downpipes identified by manufacturer part number DAL405. Only components expressly listed for this exact part number are included.About MBRPMBRP develops performance exhaust systems and components for cars, trucks, SUVs, and diesel applications using aluminized steel, T409 stainless steel, T304 stainless steel, and application-specific tip and sound configurations.Related MBRP Products Shop all MBRP products MBRP 2003-2004 Dodge Cummins 4 Down-Pipe T409 MBRP 1994-2002 Dodge Cummins 4 Down-Pipe Aluminized MBRP 1994-2002 Dodge Cummins 4 Down-Pipe T409 Frequently Asked QuestionsWill MBRP DAL405 fit my vehicle?Use the listed year, make, and model as a starting point, then confirm cummins, body style, wheelbase, factory exhaust, emissions equipment, and every MBRP application note.What material and sound profile does this system use?Material and profile are part specific. Review the specifications for aluminized steel, T409 or T304 stainless steel, pipe diameter, tip configuration, and street, touring, or race profile before ordering.What is included with MBRP DAL405?Only the pipes, mufflers, resonators, tips, clamps, hangers, hardware, and adapters expressly listed for this exact manufacturer part number are included.Installation InstructionsFollow the current MBRP instructions and vehicle service information for part number DAL405. Let the exhaust cool, support the vehicle safely, verify all application conditions, test-fit every component, align the system with adequate body and suspension clearance, tighten connections evenly, and recheck for leaks and contact after the first heat cycles.