1999-2003 Chevy Silverado 2500 Header Manifold Exhaust Cadillac Car Exhaust Manifolds & Headers reduce fuel consumption

reduce fuel consumption

The models this kit fits are called 550

For 2011-2015 Chevrolet Silverado 2500HD 6

Pipe Diameter: 2"

For Buick Riviera 1997-1999 3

1999-2003 Chevy Silverado 2500 Header Manifold Exhaust Cadillac Car Exhaust Manifolds & Headers reduce fuel consumptionProduct Overview: 1. Exhaust headers are a key upgrade for boosting engine performance by improving airflow. Unlike restrictive factory exhaust manifolds, performance headers give each cylinder its own dedicated exhaust path, reducing back pressure and improving exhaust flow. 2. By minimizing exhaust interference between cylinders, headers help increase horsepower and torque. When paired with a high performance cold air intake and a cat back exhaust