1997-2003 Chevrolet Venture 3.4L Exhaust Manifold 4 Cyl W/ Heat Shield 674-509 Y2204 Piston height: 13 mm

Piston height: 13 mm

For 2005-2007 Buick Rainier 5

2003-2006 Yukon 4

Manufacturer Part Number: 55577403

For 2000-2002 Audi S4 2

1997-2003 Chevrolet Venture 3.4L Exhaust Manifold 4 Cyl W/ Heat Shield 674-509 Y2204 Piston height: 13 mmProduct 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