Diesel Diesel Tunes™ — A Hit with Vehicle Owners for More Than a Decade.

Diesel Tunes™ is an American owned and operated company of leading engineers who for 11 years have been designing and producing diesel performance chips that deliver exceptional power and fuel economy—without compromising safety, vehicle warranty or the integrity of engine components.

Unlike other chips, which attempt to boost power by over-fueling, all of our performance modules are engineered to fine-tune your vehicle’s engine so precisely, a 33% gain in horsepower is achieved using less fuel. And we back up our products with outstanding customer service, a low price guarantee and an unprecedented 30-day Performance Exchange Program.

Diesel Tunes™ is the #1 recommended performance chip in the US, with more than 30,000 vehicle owners across the country now enjoying the surge in power and savings on fuel with Diesel Tunes™ under the hood.