MBRP 4in T409 Turbo Downpipe 2003-2004 Dodge Ram 5.9L Cummins

SKU: mbrpDS9405 UPC: 882963100542
In stock - 12 items available
Regular price $253.22
Oversized Item This item ships by freight. Shipping isn't calculated at checkout — we'll contact you with a freight quote after your order is placed.

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase. Orders shipping to restricted areas may be canceled.

The MBRP DS9405 is a 4-inch downpipe for the 2003-2004 Dodge Ram 2500 and 3500 with the 5.9L Cummins. It replaces the tight factory downpipe with mandrel-bent T409 stainless, opening up the first and most restrictive section of the exhaust right off the turbo.

Key Features

  • 4-inch mandrel-bent tubing off the turbocharger outlet
  • T409 stainless steel construction
  • Reduces backpressure and lowers exhaust gas temperatures
  • MBRP Armor Plus series, backed by a lifetime warranty

Fitment

2003-2004 Dodge Ram 2500 and 3500 with the 5.9L Cummins.

Product Details

  • Manufacturer Part Number: DS9405
  • Brand: MBRP
  • Component: Turbo downpipe
  • Tubing Size: 4 inch
  • Material: T409 stainless steel

Shipping Height: 9.9

Shipping Length: 48.0

Shipping Width: 14.9

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