1999-2006 GMC Sierra 4.8L, 5.3L Manifold Headers Generic Pontiac 7L Turbo Diesel Cummins

7L Turbo Diesel Cummins

Manufacturer Part Number: 674196

4 * Engine Piston Pin

Fit for Honda C70 Passport 70 1980-1983

Designed to fit LLY

1999-2006 GMC Sierra 4.8L, 5.3L Manifold Headers Generic Pontiac 7L Turbo Diesel CumminsProduct 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