HP Tuners has announced GM Global B tuning and diagnostics support, including for GM models like the C8 Corvette Stingray and Cadillac Blackwing sedans.

Texas tuner unveils a $200,000, 1,700-hp Demon-based V-8 with dyno video, extending the life of Dodge’s retired muscle icon.

German tuner Schropp introduces a new upgrade package for the Mustang GT (S550 generation). The SF700 supercharger kit boosts power to 700 horsepower. Not compatible with US models.

This 1978 Ferrari Berlinetta Boxer received a 644 hp twin-turbo upgrade in 1986, almost a decade after its first transformation by Koenig ...

The car is the product of Swiss tuner company Sportec, which adds turbochargers, a sports exhaust system and performance catalysts to the 911. The result: a 600-hp rocket that can run from 0 to 62 ...

There are BMW M6 drivers out there for whom the stock output of 560-hp and 500 lb-ft of torque just isn't enough. At least that's what German tuner Manhart is betting on after announcing its MH6 ...