H-Series 4-1 Hood-Exit Race Header with Integrated Megaphone for H22 & F20B Engines

Description

H Series 4-1 Hood Exit Race Header with Megaphone for H22 F20B

This H-Series 4-1 hood exit race header features a true 4-1 megaphone merge designed to promote equal exhaust flow. The integrated megaphone section is engineered to release pressure and enhance the speed of exhaust gas exit, while a small reverse cone at the end is intended to provide controlled back pressure. Constructed from 304 brushed stainless steel, this header utilizes a two-piece design and is hand TIG welded for precise assembly.

Key Features

• True 4-1 megaphone merge design
• Integrated megaphone section for exhaust flow
• Reverse cone at the end for controlled back pressure
• Two-piece construction
• Made of 304 brushed stainless steel
• Hand TIG welded
• 18 gauge thickness on 304 stainless steel
• CNC-machined manifold flange
• OEM specification header gasket
• One year warranty

What’s Included

• H-Series 4-1 hood exit race header
• OEM spec header gasket

Vehicle Fitment

1992–2000 Civic EG EK; 1993–1997 Honda Del Sol; 1994–2001 Acura Integra DC DC2; 1988–1991 Honda CRX with H-Series engine swap and aftermarket traction bar; 1990–1993 Acura Integra with aftermarket traction bar; Honda H-Series engines H22, H22A, F20B.

Installation Notes

• O2 extension needed

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