Bully Dog’s manifold for model-year 2003-06 Caterpillar engines is pressure-fitted with high-quality material to help eliminate cracks and leaks and is designed with gradual corners that facilitate better airflow and ports that help eliminate airflow interference. The ceramic coating helps cool exhaust gas temperatures by 100 degrees. The manifold is engineered to provide both increased fuel mileage and an additional 20-30 horsepower, from 20 to 30 hp.
Bully Dog Technologies, https://bigrig.bullydog.com/
