2001-2003 GMC Sierra 1500HD/2500HD Header Manifold Exhaust Universal Moto All plates are CNC laser

All plates are CNC laser cut or machined from high-quality materials

CNC-machined T-304 stainless steel piping with TIG-welded

For Chevrolet Silverado 2500 1999-2004

1 X Catback Exhaust System

Built-in M18 x 1

2001-2003 GMC Sierra 1500HD/2500HD Header Manifold Exhaust Universal Moto All plates are CNC laserProduct 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