5.9 Cummins 5″ Stainless Steel Exhaust


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MD 5″ Stainless Turbo Back Exhaust (NO MUFFLER) – 03-04 and 04.5-07 Dodge Cummins

If you would like to gain more horsepower and torque then upgrading your exhaust is the option you are looking for. These exhausts provide superior sound without breaking the bank They improve your fuel economy and are constructed with only the most durable materials and exquisite attention to detail to give you years of worry-free performance!

  • NOTE: This product CAN NOT ship to California due to CARB regulations.
  • If you have a 2004 truck PLEASE Determine (BEFORE YOU ORDER) if your truck is a 04 or 04.5 as they have different downpipes.  04.5 will have a build date after 1/1/2004 and will have a HP rating of 325hp on driver side valve cover sticker
  • This product has met EPA’s reasonable basis requirements and is legal for sale and use within the jurisdiction of the federal EPA. (EMS:2)



These exhausts are designed for pre emission engines.  They are not for use in registered emissions-controlled vehicles operated on public highways and roads.

Customer Notification and Disclaimer of Liability. This is a race-only product. It is not legal for sale or use on pollution controlled vehicles that are driven on public streets, roads, or highways. Buyer’s use or installation of this product for itself or for Buyer’s customer is at Buyer’s own risk. The Buyer is responsible for obeying federal, state, and local laws. Only Buyer can determine end customer’s use and thus assumes any and all liability hereby waiving any and all claims against MDM performance in the sale of this product to the maximum extent permissible by law.

Make sure to abide by all local, state, and federal laws, including emissions, vehicle safety, and traffic laws. It is Buyer’s responsibility to know what those laws are and how they apply to Buyer or Buyer’s customer. This product is designed and intended solely for legally-organized and sanctioned, closed- course, off-road competition use and is not for use on public streets, roads, or highways.  Use on public streets, roads, or highways is a violation of federal and certain state (including California) and local environmental laws

Additional information


03-04, 04.5-07


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