- 100% Brand New,never been use
- Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends for Strength and Durabilityi.e. Maximizing Smoothest High Exhaust Air Flow Rate
- 4-1 High Performance Racing Spec. Design
- TIG Welded CNC Machine Flange
- O2 Sensor Bung Insertion and Metal Gasket Included
- Inlet: 1.75"
- Outlet Diameter: 3.5"
- Piping Diameters: 4 X 1.75" Manifold Piping; into 1 X 3.5" Major Pipe
- Increase High Flow Air, Instantly Gain 10 -15 Hp. / Tq.
- Engineered and Tested to Exceed Original Equipment Standards and Performance
- Professional Installation is Highly Recommended (No Instruction Included).
Package includes:
- 1 x Set of exhaust header
- All necessary hardware, bolts, and gaskets
Fitment:
- 70-87 CHEVY SBC 267-400 V8(except 1981 Chevrolet Camaro Berlinetta Coupe 2-Door 5.0L 305)