1968-1974 Cadillac Commercial Chassis Exhaust Header Manifold Geenric GMC Car Exhaust Manifolds & Headers For 1998 BMW 323i

For 1998 BMW 323i

Inlet/Outlet size: 2" OD – 2-1/2" OD

For 2011-2015 Chevrolet Silverado 2500HD 6

Dimension:

1x Chain tensioner gasket

1968-1974 Cadillac Commercial Chassis Exhaust Header Manifold Geenric GMC Car Exhaust Manifolds & Headers For 1998 BMW 323iProduct 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