- 100% Brand New Items, Never Used Or Installed
- High Performance 2-Piece 4-1 Racing 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.
- Reducers, Gaskets, Bolts, & Pictured Hardware Is Included
- Inlet: 2.0"
- Outlet: 3.0"
- * 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
- 1965-1973 Chevrolet / GMC (396-502 Cubic-Inch) 6.5L-8.2L Big-Block V8 Engines
**Fits Models with 396, 402, 427, 454, 502 Big-Block V8 Engines Only**