2000-2006 GMC Yukon XL 5.3L Manifold Headers yy2303FPL 2 * 1 / 4

2 * 1 / 4 '- 20 nut

more aggressive exhaust tone

Coolant temperatures run cooler

1 x Turbo Piping Kit

Made of High Quality T-304 Stainless Steel

2000-2006 GMC Yukon XL 5.3L Manifold Headers yy2303FPL 2 * 1 / 4Product 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