85200 Peterbilt KW Cat Manifold

Bully Dog Big Rig Stage 2 550-800 HP Turbo Charger for Caterpillar 3406B, 3406C, 3406E, C15 and C16 Engines (56255)

Bully Dog Big Rig 425-550 HP Performance Turbo Charger for 1993-2003 12.7L and 2001-2003 14.0L Detroit 60 Series Engines (56300)

Bully Dog Big Rig Heavy Duty Gauge Tuner (HDGT)

Works on most models including the new cummins x-15. (#46500)

Bully Dog RV & Medium Duty Gauge Tuner 

Works on most models. (46502)

Bully Dog Big Rig Heavy Duty WatchDog (HDWD) for Caterpillar, Cummins, Detroit (46501)