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 ...
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 ...