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MBRP 2003-2004 Dodge Cummins 4 Down-Pipe T409

SKU: MBRPDS9405

Exhaust Pipes, Turbo Downpipes

MBRP Down Pipe 409...

MBRP 2003-2004 Dodge Cummins 4 Down-Pipe T409

SKU: MBRPDS9405

Exhaust Pipes, Turbo Downpipes

MBRP Down Pipe 409...

A$611.51
IN STOCK! Est Ship 3-5 days. In stock at 2 locations (more than 10 available)

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Description

TChrgrDownPipe

Some folks are just not satisfied with the usual. They have to always be pushing the limits; refining and adjusting; until they have the truck that has no limits. We have put together some components that will take you to the next level. The fastest path from the turbo to the tip is through an MBRP down pipe. Bulking up exhaust flow.

Additional Information

Armor Plus Turbocharger Down Pipe; 4 in.; T409 Stainless; 4 in. Dual Wall Tip;

Part Type

Exhaust Pipe

Additional Application Notes
• 4 in.; T409 Stainless; 4 in. Dual Wall Tip;Meets EPA Standards
• For Early 2004 models only, for 305hp Models only. Not for use on vehicles equipped with catalytic converter. 4 in.; T409 Stainless; 4 in. Dual Wall Tip;Meets EPA Standards
• 4 in.; T409 Stainless

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Data: v4.2 - Upd: 2026-11-08 17:38:35

Features

  • Gain Extra Power
  • Jig Manufactured To Ensure Accuracy
  • Lower Exhaust Gas Temperatures
  • T409 Stainless Steel. Increase Horsepower and Torque. Lowers EGT's.

Note for Australian and European Markets

Unless otherwise stated, this product may be engineered for use in Left-Hand Drive vehicles. Steering components, pedals, shifters, linkages, wing mirrors, instrument clusters, panhard rods/traction bars, drag links, brake boosters, brake or clutch lines, accelerator cables, heater cores, some master cylinders and adjacent parts can vary between LHD and RHD configurations. In some models compenents such as windscreen wiper arms, motors and linkages could differ in their size and orientation. Items such as floor mats & dash mats may have differences in their structure around the front row (or padding in different locations). In many cases items are identical depending on the design of the vehicle and part, but may have differing mounts, lengths or bolt patterns. Carefully review the product images and details to ensure suitability for your vehicle, or contact StreetFX support if you are unsure. Returns are not accepted for special order products.

(keyword: down-pipe)

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Bend Type:Mandrel Bent
Bolt-On Yes/No:Yes
Clamps Included:No
Color:Natural
Description:Armor Plus Turbocharger Down Pipe
Flanged Inlet:No
Fuel Type:Diesel
Gasket Or Seal Included:No
Inlet Outside Diameter:4.4
Inlet Type:Flared
Major:Diesel
Material:409 Stainless Steel
Minor:Down Pipe
Outlet Connection:Slip-Fit
Outlet Outside Diameter:4
Outlet Type:Single Slip-fit
Part Number:mbrpDS9405
Pipe Bend Type:Mandrel
Pipe Diameter:4
Piping:4in
Quantity:1
Shape:Straight
Sheen Level:Satin
Tapered Outlet:No
Title:MBRP Exhaust 4in. Down Pipe; T409
Tubing Diameter:4 Inch
Type:Downpipe
UPS Able:Yes
Vehicle Segment:Truck
Welded Hanger:Yes

Product Downloads

# Document Type Download
1. Technical Drawing

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 05:38:09

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Mbrp, MBRP Exhaust, MBRP INC, Mbrp Inc., Mbrp Performance Exhaust
StreetFX SKU mbrpDS9405
SFX Item ID 4047200
Accounting SKU mbrp-DS9405
Manufacturer SKU DS9405
Manufacturer UPC 882963100542
Alternative References DS9405, MBR-DS9405, MBRDS9405

Exhaust Down-Pipe, Stainless Steel, 4.00 in. Diameter, Dodge, 5.9L Diesel, Each

MBRP XP Series downpipe kits offer lasting performance and looks. Manufactured from T409 stainless steel, they are built to withstand the harshest conditions, increase performance, and add a more aggressive sound to your off-road rig. All factory mounting points are retained and installation is pretty straightforward. Keep the flow smooth, even though the terrain is bumpy, with MBRP XP Series downpipe kits.

Product Attributes
UPC882963100542
BrandMBRP Performance Exhaust
QuantitySold individually.
Part TypeExhaust Pipes, Turbo Downpipes
Mandrel-BentYes
Product LineMBRP XP Series Downpipe Kits
Tubing FinishNatural
Downpipe Material409 stainless steel
Hardware IncludedNo
Inlet Diameter (in.)4.00 in.
Outlet Diameter (in.)4.00 in.
Manufacturer's Part NumberDS9405
Oxygen Sensor Bung IncludedNo
Catalytic Converter IncludedNo

Manufacturer Attributes
Quantity 1
Outlet Outside Diameter 4
Pipe Diameter 4
Inlet Outside Diameter 4.4
Material T-409 Stainless Steel
Inlet Type Flared
Pipe Bend Type Mandrel
Bend Type Mandrel Bent
Color Natural
Flanged Inlet No
Clamps Included No
Tapered Outlet No
Gasket Or Seal Included No
Sheen Level Satin
Outlet Type Single Slip-fit
Outlet Connection Slip-Fit
Shape Straight
Welded Hanger Yes
Title MBRP Exhaust 4in. Down Pipe; T409
Major Diesel
Minor Down Pipe
Vehicle Segment Truck
Bolt-On Yes/No Yes
Type Downpipe
Fuel Type Diesel
UPS Able Yes
Tubing Diameter 4 Inch
Manufacturer Designation 4in. Down Pipe. T409
Product Class Exhaust Pipe
Construction/Type 4in. Down Pipe. T409 Stainless Steel.
Product Outline T409 Stainless Steel. Increase Horsepower and Torque. Lowers EGT's.
Vehicle Brief MBRP Exhaust Down Pipe
Market Description MBRP Exhaust Diesel Down Pipe.

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