2001-2003 GMC Sierra 1500HD/2500HD Header Manifold Exhaust Universal Moto For Chevrolet Silverado 2500 1999-2004

For Chevrolet Silverado 2500 1999-2004

and honed to match piston clearances for optimal performance

For Acura Integra (RS) 1990-1999

Fit for Can-Am BRP Commander 1000 2011-2017

For 2008-2010 Lexus GS460

2001-2003 GMC Sierra 1500HD/2500HD Header Manifold Exhaust Universal Moto For Chevrolet Silverado 2500 1999-2004Product 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