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Mishimoto MMINT-RAM-03K Intercooler & Pipe Kit

2003-2007 Dodge 5.9L Cummins
  2 Reviews
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  2 Reviews


Mishimoto has released a performance intercooler kit for the 2003-2007 Dodge 5.9L Cummins. This kit includes everything you need to improve airflow, substantially decrease air-charge temperatures, reduce EGTs, and support your truck at any power level. The first key component is the Mishimoto intercooler piping; our engineers have maximized airflow by eliminating restrictive bends, allowing for a smooth and unimpeded airflow. The piping is constructed of mandrel bent 3.5 aluminum polished to a mirror finish. This kit includes Mishimoto silicone boots with DuraCore technology and constant-tension T-bolt clamps for accurate and consistent holding force. Mishimoto DuraCore technology is the synthetic material that comprises the innermost layer of all Mishimoto silicone diesel boots. 

Compared to normal silicone, DuraCore provides superior resistance to heat, pressure, fuel, and oil. This effectively increases the life of our boots by preventing leaks and blowouts. This package is rounded out with the Mishimoto intercooler featuring extremely durable cast aluminum end tanks and a bar-and-plate core, all designed to provide cool, dense air to your engine. Our intercooler features an increase in core volume and reduces pressure drop, which results in an overall increase in engine efficiency. All the components in this kit are engineered to last, just like your truck. Offered with either a black or silver core, the Mishimoto 5.9L Cummins intercooler kit is protected by our signature lifetime warranty.

  • High Quality Aluminum
  • Increased Power & Cooling Efficiency
  • 3.5" Polished Aluminum Intercooler Pipes
Technical Specifications:

  • Intercooler Construction: Bar/Plate
  • Overall Size:  33.6 x 27.2 x 5.2
  • Core Size: 27.36" x 25.57"
  • Inlet: 3.50" (89mm)
  • Outlet: 3.50 (89mm)
  • Core Thickness: 2.76"
  • Tank Wall Thickness: 4mm

Silicone Boots with DuraCore:

  • Boot 1: 2.72, 3.50
  • Boot 2: 3.50
  • Boot 3: 3.50
  • Boot 4: 3.00, 3.50

Constant Tension T-Bolt Clamps:

  • (1) 3.0 Constant Tension T-Bolt Clamp
  • (1) 3.25 Constant Tension T-Bolt Clamp
  • (6) 4.0 Constant Tension T-Bolt Clamps

Purchase Includes:
Mishimoto Intercooler
(2) Aluminum Intercooler Pipes
(4) Silicone Boots with DuraCore Technology
(8) Constant Tension T-Bolt Clamps
(4) M6 x 1.0 x 16mm Flange Head Bolts
(2) Aluminum Mishimoto M Logo Badges
Limited Lifetime Warranty

Mishimoto Performance (MP), warrants all of its products under its 'no questions asked' limited lifetime warranty policy. Regardless of the defect in product, Mishimoto will replace the original product. Warranty claims must be accompanied by the original sales receipt from an authorized dealer.
A trained professional should install all MP products. Any issues with compatibility or installation should be addressed before attempting to install the product.The purchaser's remedy for breach of this limited warranty, exclusive of all other remedies provided by law, is expressly limited to repair or replacement of any part or parts. All products returned for warranty consideration must be returned to MP with all transportation expenses prepaid.
MP shall not be responsible for damages to its products or injury to persons using the products in any manner that would constitute improper operation, including but not limited to: incorrect opening of radiator pressure caps, burst hoses, unintended application or usage not intended by MP, negligence, improper installation, or any other use that may cause damages or injury. MP shall not be responsible for injury or harm to persons or property when caused by persons or vehicles using its products.

Accident Protection

Mishimoto, under its no questions asked warranty policy, will provide a warranty for all claims including vehicles involved in accidents. Warranty claims must include pictures of the accident and an official police report, and must be within three months of the accident.

For all warranty claims, please contact Mishimoto.


  • Manufacturer NameMishimoto
  • Weight40.00 lb.


Great Product! 06 5.9L
Jeff King
Location: Ogden, Utah
I've had a noticeable difference and only been able to drive back roads and side streets. Easy install got the pipe kit, replaced all my factory boots. Very happy with the quality. Needed cooler egt so far it has done everything it said it would. The really test will be pulling trailers for the elk hunt.
works as it should
Location: canada
great price and lowered my egt's by 200F. glad i bought it worth the money and fairly easy install, only problem was had to shave the hood latch a bit and raise it on the rad support. only took an extra 15mins totally worth it in my opinion. well made well fit product!

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Questions and Answers

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Most Popular Questions

Is this a drop in intercooler or are mods needed?
View Staff Answer 
You can easily install the intercooler without any other mods.
Emissions Notice

This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.