Fleece Performance

Fleece Performance: Innovative Diesel Solutions & Parts

If you’ve spent any time in the diesel industry, you’ve likely heard a turbo referred to as a “Cheetah.” Over the past decade, the name Fleece Performance has become synonymous with high-performance diesel upgrades.

About Fleece Performance

Founded by brothers Brayden and Chase Fleece, this innovative company started in a modest 3,200 square-foot pole barn in rural west-central Indiana. Through their passion for wrenching and creating big horsepower with Duramax and Cummins engines, they quickly established themselves at the forefront of common rail technology within just five years.

Notable Achievements

• TurboBrake: An electronic exhaust brake that has set new standards in the industry.
• Factory Turbo Upgrades: Enhancements specifically for the LLY Duramax model.
• Innovative Products: The AlliLocker and TapShifter, both breakthrough products that continue to meet high demand.
• Expert Services: Exceptional EFI Live tuning, engine builds, transmission upgrades, and fuel system improvements.

Growth and Expansion

As demand surged, the Fleece brothers realized their 54×60-foot barn could no longer support their innovative operations. In 2012, they relocated to a state-of-the-art 18,750 square-foot facility in Nitro Alley, Brownsburg, Indiana. They later expanded the operation further with an additional 7,250 square feet.

Now, Fleece Performance operates as a comprehensive facility, capable of designing, manufacturing, assembling, and testing all products in-house, placing them among renowned neighbors like Schumacher Racing and Tony Stewart Racing Enterprises.

Explore Our Collection

Discover our range of Fleece Performance products tailored for the diesel enthusiast. Whether you're looking for turbo upgrades, tuning solutions, or performance parts, we've got you covered.