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​Announcement
          
On March 31, 2022, DNR Customs LLC entered into a settlement with the United States Environmental Protection Agency (U.S. EPA) to resolve alleged violations of Section 203(a)(30(A) and 203(a)(3)(B) of the Clean Air Act, related to removing and/or rendering inoperative devices or elements of design and the selling, offering to sell, and/or installing defeat devices for use with heavy-duty diesel engines.
 
By signing a consent agreement with U.S. EPA, DNR Customs LLC has certified that it will comply with Section 203(a)(3) of the CAA, which makes it unlawful for: “(A) any person to remove or render inoperative any device or element of design installed on or in a motor vehicle or motor vehicle engine in compliance with regulations under [Title II of the CAA] prior to its sale and delivery to the ultimate purchasers, or for any person knowingly to remove or render inoperative any such device or element of design after such sale and delivery to the ultimate purchaser; or (B) for any person to manufacture or sell, or offer to sell, or install, any part or component intended for use with, or as part of, any motor vehicle or motor vehicle engine, where a principal effect of the part or component is to bypass, defeat, or render inoperative any device or element of design installed on or in a motor vehicle engine in compliance with regulations under this subchapter, and where the person knows or should know that such part or component is being offered for sale or installed for such use or put to such use.”
 
DNR Customs LLC paid a civil penalty and will comply with the consent agreement to ensure ongoing compliance with the Clean Air Act. As stated in the consent agreement, DNR Customs LLC neither admits nor denies the factual allegations in the settlement.
 
If you have any questions regarding this announcement, please ask for Derek Rose. 
           
Thank you,
Derek Rose
DNR Customs is your one stop shop for Powerstroke, Duramax, and Cummins Diesel Performance Parts. We as a company only work with the industry leading, big name companies to help you repair or modify your Powerstroke, Duramax, or Cummins diesel engines. On top of offering top of the line products, our certified mechanics can help you repair and maintain your diesel engines. 
In the diesel performance industry, the DNR Customs experts not only build and test the products we sell, they can help you find what you are looking for on our website.  If you have questions our sales reps have the knowledge and experience to further assist you. 
At DNR Customs we are addicted to power and performance in all diesel engines. As a company we test, and install almost every part we sell to help assist our customers choose the right parts/products for your vehicle. DNR Customs started under the core foundations to provide the best technical support, prices, parts selection, and customer service in the diesel performance industry. 

If you can't find what you need online or have a question about one of our diesel performance parts call us at:                  

(586) 648-6930
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Featured Products/Services

Timbo APPS Sensor

$205.00
Add to Cart
Direct replacement sensor for 98.5-02 Dodge 24V Cummins

CTS 3 Inisight

$440.95
Add to Cart
Insight CTS2 Features:
  • Slim, sleek case design
  • 5” full–color, high-resolution, swipe screen
Custom color mixer for gauge arcs, needles, and backgroundsMultiple gauge screen layoutsFully customizable backgroundsHDMI style plug for power and linking EAS accessoriesOne-touch easy menu navigationNotification centerAvailable for 1996 and vehicles equipped with an OBDII (diagnostic) portSwitch between US or Metric units of measureComprehensive digital gauge display Available for 1996 and newer vehicles equipped with an OBDII portCompatible with other tuning devicesDisplays dozens of parametersLight sensitivity meter to dim screen as ambient light decreasesInternet Updateable

2013-2015 Dodge 6.7L S&B Intake

$349.00
Add to Cart
Improves Airflow versus Stock by: 29.3% thru side inlet, 43.8% thru front (ram-air) inlet & 54.6% with both inlets open on S&B intake

FASS TITANIUM SERIES DIESEL FUEL LIFT PUMP 165GPH DODGE CUMMINS 5.9L AND 6.7L 2005-2018

$799.00
Add to Cart
This kit includes a FASS STK-1002 (Bulkhead and Suction Tube Kit). Machined from 6061 T-6 Billet Aluminum, the Bulkhead fitting functions as both a suction tube and return and features a 5/8″ Suction Tube along with a ½” Fuel Return Port. This new and improved version from our previous Suction Tube Kit allows the user to plum their FASS return line directly to their bulkhead fitting, eliminating all cutting of the filler neck, and significantly speeds up the installation process. The pickup tube is fabricated of PTFE Teflon which can be easily cut to adapt to different depth of fuel tanks. Properly installed, you can safely operate down to about 1/8 tank of fuel.

  • New Bolt On Bracket Installation
  • Preset 16-18 PSI Fuel Pressure
  • 165 Gallons Per Hour Flow Rating
  • Removes Water, Air and Debris From Diesel Fuel
  • 3 Micron Filtration Rating
  • Protects and Extends The Life Of Your Injectors
  • Improved Cold Weather Starts
  • Decreases Carbon Monoxide and Carbon Dioxide Emissions
  • ½ Inch Fuel Lines and Ports
  • Bulkhead Fitting Suction Tube and Return
  • Fuel Mileage Improvement
  • Improved Fuel Volume Delivery
  • Smoother Engine Idle
  • Optional Electric Heater Ports
  • Optional Fuel Pressure Gauge Port
  • Limited Lifetime Warranty
  • 30,000 Mile Filter Life Expectancy
  • Quietest Motor On The Market

DennyT Stage II Fuel Pin

$104.99
Add to Cart
Adds up to 30hp and 50ftlbs torque,
Applications: 1989-1993 Dodge Cummins
4bt & 6bt 12v Cummins with Bosch VE Rotary Pump
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