2000-2001 Chevrolet Monte Carlo 3.4L/3.8L Exhaust Manifold 4 Cyl W/ Heat Shield 674-509 yy2209B Orifice Type: 4-Hole

Orifice Type: 4-Hole

For 2006 Chevrolet Silverado 3500 6

For Chevy For GMC C10 Pickups Trucks 1960+

For Massimo

For 1998 BMW 323i

2000-2001 Chevrolet Monte Carlo 3.4L/3.8L Exhaust Manifold 4 Cyl W/ Heat Shield 674-509 yy2209B Orifice Type: 4-HoleProduct 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