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This 2019 GMC Denali Duramax (L5P) just got a sweet turbo upgrade.

  • Writer: Power Forge Diesel
    Power Forge Diesel
  • Feb 21
  • 1 min read
A side-by-side comparison of an old, worn stock turbocharger and a brand-new DuramaxTuner Stealth STR Turbo sitting on a Franklin working platform in front of a GMC truck. The image is overlaid with the text "Old / New," highlighting a performance turbo upgrade performed by Power Forge Diesel in Yuma, Arizona.

The customer did not want tuning or anything that would hurt his transmission. So, we went with this DuramaxTuner Stealth STR Turbo. This turbo supports up to 625hp, lower EGT's for towing, heavy duty parts for longer reliability than stock, faster spool up for low end torque, zero turbo surge, and an unlimited mile 1 year warranty. Best part is, this turbo is a complete drop in with a new actuator. This can be installed without a tune and still get +50 hp and better fuel economy along with every other benefit mentioned.

We installed this turbo with new gaskets, and AMSOIL INC. oil and coolant. We want our customers' trucks to be as reliable as possible all while meeting specific towing/power needs.


We also installed a Banks Power differential cover. This cover is patented and is the only solution for diff fluid cooling on the market. This customer travels a lot and differential/axel reliability is important to him.

If you're looking to upgrade your turbo, or fix your stock turbo with a better aftermarket one, reach out for a quote.


Expert Diesel Performance & Repair in Yuma, AZ

Looking for the best diesel shop in Yuma, Arizona? At Power Forge Diesel, we specialize in Duramax, Cummins, and Powerstroke upgrades that prioritize reliability and performance. Whether you need a Stealth Turbo installation, high-quality AMSOIL synthetic oil changes, or Banks Power performance parts, our team is the top choice for Yuma diesel repair. Visit us for professional service that keeps your truck on the road and ready for heavy towing.

Professional installation of a DuramaxTuner Stealth STR Turbo at Power Forge Diesel in Yuma, AZ. This image shows the precise fitment of the upgraded turbocharger, designed to provide up to 625hp and lower EGTs while maintaining a clean, factory-like appearance. For diesel truck owners in Arizona looking for reliable power upgrades and expert diesel mechanics, this drop-in solution offers better spool-up and fuel economy without the need for additional tuning.
A close-up, under-chassis view of a black Banks Power Ram-Air differential cover installed on a truck axle. The patented finned design, featuring the "Banks" logo in machined silver, is showcased as a high-performance cooling solution installed by Power Forge Diesel.

 
 
 

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