This is a new set of Polished Stainless Steel Exhaust Headers for 1999-2006 Chevrolet Silverado GMC Sierra 1500 2500 3500 Trucks with 6.0L engine.  Part # 21C

Upgrade your exhaust system with these high-performance exhaust headers made for 1999-2006 Chevrolet Silverado and GMC Sierra 1500, 2500, and 3500 models with a 6.0L engine. These headers are designed to improve your vehicle's exhaust flow, resulting in increased horsepower and torque.

Features:
  • Polished Stainless Steel Construction
  • Mandrel Bent Tubing
  • 1-5/8" Diameter Primary Tubes
  • EGR Provision
  • Air Injection Fitting Provisions for 1999-2002 Chevy Trucks that have Air Injection
  • Stock Size Collectors
  • 3/8" CNC Machined Flanges
  • Standard Graphite Manifold Gaskets and Mounting Hardware Included
Applications include:
  • 1999-2006 For Chevrolet Silverado 1500 2500 3500 Trucks (6.0L Engines)
  • 1999-2006 For GMC Sierra Yukon 1500 2500 3500 Trucks (6.0L Engines)
  • 2001-2006 For Yukon Denali (6.0L Engines)
  • 2002-2006 For Cadillac Escalade (6.0L Engines)

Note: Flanges are steel.