2000-2001 Chevrolet Monte Carlo 3.4L/3.8L Exhaust Manifold 4 Cyl W/ Heat Shield 674-509 yy2209B Displacement: 249cc

Displacement: 249cc

21443-25000

For Chevy For GMC C10 Pickups Trucks 1960+

00mm stroke with a 20mm steel piston pin

2000-2001 Chevrolet Monte Carlo 3.4L/3.8L Exhaust Manifold 4 Cyl W/ Heat Shield 674-509 yy2209B Displacement: 249ccProduct 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