If you are tired of eating up front disc brakes and having to lay on the brake pedal longer than you’d like when your late-model GM HD pickup is towing a big gooseneck or heavy tow-behind trailer, we ...

Bully Dog has recently teamed up with HPC, a leader in the pro drag-racing circuit and aerospace industry, to bring you their all-new Rapid Flow 4-inch Ceramic-Coated Turbo-Back Exhaust for the 6.6L ...

Optimum exhaust flow is critical to maximizing the efficiency of any engine. After all, an engine is just a sophisticated air pump – and the easier it is to move air in and out, the more efficient the ...

We’ve shown you spy photos and shared what our sources have told us, but now GM has pulled back more of the veil surrounding its next-generation heavy-duty Duramax diesel V-8 engine program. The ...