For 99-05 Chevy Silverado Sierra 4.8L 5.3L Steel Exhaust Racing Header Manifolds

• 100% Brand New Items, Never Used Or Installed
• Performance 2-Piece 4-1 Design Stainless Steel Exhaust Header Manifold Kit
• CNC Machined T-304 Stainless Steel Piping with Computerized TIG Welded Steel Flanges for Strength & Durability
• Made By OEM Approved Manufacturers With Materials That Meets Or Exceeds Strict OEM Requirements
• Increases High Flow Air, Instantly Gain 10 -15 Hp. / Tq.
• Bolts, Nuts, Screws, & Gaskets Are Included
• SPECIFICATIONS (Estimated):
  • Inlet: 1.65"
  • Outlet: 2.5"
• * O2 Simulators May Be Required If A CEL Is Triggered *
• * Not Intended For Street Applications, This Item Is Intended For Racing & Competition Purposes Only *
• No Installation Guides Are Included, We Highly Recommend Seeking Professional Installation

FITMENT:

• 1999-2005 Chevrolet Silverado 1500
• 2000-2004 Chevrolet Tahoe
• 2000-2004 Chevrolet Suburban 1500
• 2002-2005 Chevrolet Avalanche 1500
• 1999-2005 GMC Sierra 1500
• 2000-2004 GMC Yukon XL 1500
• 2001-2004 GMC Yukon

**Fits Models with 4.8L / 5.3L V8 Engines WITHOUT Air Injection ONLY**