PLM Power Driven Hood Exit Race Header (4-1 Megaphone) - H-series / H2B

Private Label MFG Power Driven H-Series hood exit race header (4-1 Megaphone) features a true 4-1 Megaphone merge to create equal exhaust flow. This header delivers the best peak horsepower gains while utilizing a 2 piece design. This is ideal for all forms of competition; Autocross, Drag racing and road racing. Recommended for 2.0-2.2L engine displacements. Vehicle Applications: 88-91 Civic/CRX (H-swap - traction bar a must), 92-00 Civic, 93-97 Delsol, 90-93 Integra (traction bar a must), and 94-01 Integra. Engine applications: H-series, H-series swap, H2B swap. Features Made of 304 Brushed Stainless steel Hand TIG Welded 02 extension needed Modifications required for A/C & P/S usage CNC-ed machined manifold flange One year warranty 18G on the 304 S/S ; measured at .049" to .050" OEM spec header gasket included Exhaust heat shield trim included Pre-assembled (two piece design) Half-core radiator must be used with a slim fan For off-road use only  - not carb legal in CA.