The Big Rig Heavy Duty GT works on many of today’s most widely used class 8 semi’s. Tuning is currently available for 2003 through 2010 Cummins ISX and ISM powered Freightliner, International, Kenworth, Mack, Peterbilt, Sterling and Volvo trucks. If you have a Caterpillar engine, you’ll want to check closely for your particular application, because the Big Rig Heavy Duty GT for CAT will work on a range of years for the 3406E, C10, C11, C12, C13, C15, and the C16 engines. These engines are in many semi’s including Freightliner, Ford, International, Kenworth, Mack, Peterbilt, Sterling, Volvo and Western Star.
Have a Detroit engine in your Big Rig? Bully Dog’s Big Rig Heavy Duty GT for Detroit diesel engines works on many of the Series 60 rigs with build dates of 1998 through 2007. Applicable models include Freightliner, International, Kenworth, Peterbilt, Sterling, Volvo, and Western Star. Get even greater fuel economy and power gains by upgrading your stock manifold with a premium ceramic coated exhaust manifold from Bully Dog Big Rig. They’ll help your turbo spool quicker, provide higher output, and give gains in fuel economy of about a 1/3 a mile per gallon!
Bully Dog Big Rig Tuner Testimonial Video Playlist. (Videos automatically play one after another)
Bully Dog Big Rig Tuner Mileage Test