Bully Dog Big Rig

The Bully Dog Big Rig Caterpillar Exhaust Manifold is guaranteed to provide 0.3 to 0.4 MPG improvements and at least 30 extra horsepower. This is hands down the best exhaust manifold offered in the market today and it won’t void your warranty. It has been third party tested to prove that it flows better than the stock manifold and the competition. The whole manifold is finished with a high performance ceramic coating which improves air flow and lowers temps radiating off of the manifold by 300 degrees.

Bully Dog Big Rig Cummins Exhaust Manifolds replace the tired old factory manifold with a free flowing, ceramic coated masterpiece of engineering. These manifolds are designed to perform providing gains of up to 30 horsepower while reducing EGT's and radiant exhaust temperatures while increasing fuel mileage. Get more from your Cummins with these bolt-on replacements. When your factory manifold fails, Bully Dog Big Rig Manifolds provide superior performance and longevity.

Bully Dog Big Rig Detroit Manifolds are guaranteed to increase fuel mileage by 0.3 to 0.4 MPG. This may not sound like much, but drive that around the country and see just how much you save! Besides fuel savings, these manifolds reduce both EGT's and radiant temperatures producing more boost and better performance. This simple bolt-on will provide gains of up to 30 horsepower. Bully Dog Big Rig Manifolds are backed by a two year warranty.

The Bully Dog Big Rig HD Gauge Tuner will add power and fuel economy to your Caterpillar, Cummins or Detroit diesel engine equipped semi truck. The HDGT will also save owner operators and fleet managers/owners money on fuel, improve driving habits, promote safer driving and reduce vehicle wear on their big rig trucks. Also acts as a set of digital gauges and monitors safety parameters.

The Heavy Duty Watchdog from Bully Dog's Big Rig division is the latest innovation to save owner operators and fleet managers/owners money on fuel, improve driving habits, promote safer driving and reduce vehicle wear on their big rig trucks. Also acts as a set of digital gauges so you can monitor your engine and other vehicle functions while driving.

Bully Dog Big Rig division's all-new BFT-1 Big Rig Turbo Chargers for Caterpillar & Cummins engines. Features a quicker spool up than OEM, with less lag, higher airflow volume, increased boost, increased horsepower, increased fuel mileage & lower EGT's. 1 year warranty.