1999-2004 Chevrolet Silverado 2500 Driver Side Exhaust Manifold Kit 674-522 Y2204 1 series E87 120d 5

1 series E87 120d 5 doors 2003-2007

1 * Threaded Stud with Flange Nut and Stud Spacer

1 x EGR Delete Kit

lasting seal

For Chevrolet Avalanche 1500 2002-2006

1999-2004 Chevrolet Silverado 2500 Driver Side Exhaust Manifold Kit 674-522 Y2204 1 series E87 120d 5Product 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