1999-2003 Ford F-150 5.4L V8 Exhaust Manifold Racing Header GMC Exhaust Manifolds CNC-machined from aircraft-grade 6061-T6 aluminum

CNC-machined from aircraft-grade 6061-T6 aluminum for strength and precision

The models this kit fits are called "500" but the engine size is actually 493cc

For Volkswagen For Jetta MK4        2005 TDI - BEW FWD

2 x Pipe Fittings

Cylinder Base Gasket: 12191-KCY-671

1999-2003 Ford F-150 5.4L V8 Exhaust Manifold Racing Header GMC Exhaust Manifolds CNC-machined from aircraft-grade 6061-T6 aluminumProduct 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