Want to roll some coal? How about an extra 5-10 MPG? Apple Hill is the areas Diesel Performance Professionals. Whether you need a little or a lot of extra pulling power Apple Hill can help. We offer a full line of products like Banks Power, Goerand Bros. Transmissions, Edge Products, Green Air Filters just to name a few. If you own a Duramax, Cummins, or Power Stroke we can make that diesel roar with a custom 4 or 5 inch single or dual exhaust system. So don't be left behind in a cloud of smoke let Apple Hill give you that edge.