Introduced in 2001, the Duramax V8 turbo diesel family was continuously improved over the years until the L5P that GM uses in heavy-duty trucks. Fully stock, the 6.6-liter mill develops 445 horsepower ...

Customers that own a Chevy Silverado or GMC Sierra with the 6.6L V8 L5P turbodiesel Duramax engine under the hood can upgrade with a substantial power boost via The Pulsar V3 module from Edge, as ...