Palm Beach Dyno and Signature Speed push the 991-hp C8 Corvette ZR1 to 1,170 hp with early tuning, downpipes, and MS109 fuel.

Along with Hennessey Performance Engineering and ProCharger, Extreme Turbo Systems is boosting the mid-engine ‘Vette as we speak. Previewed four weeks ago, the twin-turbo V8 upgrade has finally hit ...

I ruffled a lot of feathers when I called the ninth-generation Accord V6 the last real American muscle car. Many of those feathers were attached to a bunch of cuckoo birds whose favorite small-block ...

Looking at the import tuning timeline, Ultimate Racing is a well-established entity. The Toronto-based tuning shop opened its doors in 1992 when chief proprietor Johnson Lii had too many cars to tune ...

Your truck's factory settings are holding back more power than you'd expect.

When it comes to pump-gas performance, the name of the game is usually compromise. Unfortunately for turbo LS (or other) enthusiasts, real street (and some track) cars walk that fine line between ...

With the second generation of the Porsche Panamera being just around the corner, we've noticed the tuning world has started to get its hands on the Panamera that started it all. The favorite model ...

A heavily modified 2018 Ford Mustang GT named Honey Badger was putting down very impressive numbers on the dyno and at the drag strip until tragedy struck. It flew too close to the sun with ...

Those in "the Know" are keenly aware that the import or compact industry is technologically driven. Complete stand-alone engine management systems, on-board air/fuel ratio monitors and even ...

You’re looking at a Mazzei Formula Five—or, rather, the Mazzei Formula Five. It’s a one-off supercar built by David Mazzei, combining a Superlite SL-C kit car body with a homemade five-rotor engine.