PLM Power Driven H-Series Tri-Y Header for H22 / H22A Engines

PLM Power Driven H-Series Tri-Y Header for H22 / H22A Engines

SKU: PLM-H2B-HEADER

Product Description

The PLM Power Driven H-Series Tri-Y Header is a proven performance upgrade for Honda H-Series enthusiasts and is widely recognized as one of the best-selling H22 headers available. Engineered with a true step-up Tri-Y (4-2-1) design, this header is optimized to deliver strong low-to-mid-range torque, improved throttle response, and enhanced overall exhaust flow.

Constructed from high-quality 304 stainless steel, this header features precision CNC-machined flanges, 18-gauge tubing, and a four-piece slip-fit design that allows efficient use of engine bay space while maintaining excellent fitment across multiple H-Series applications. Whether you’re building a street car, autocross setup, drag car, or road-race machine, this header is designed to perform under demanding conditions.

Trusted by enthusiasts and racers alike, the PLM H-Series Tri-Y Header is a go-to solution for maximizing performance on H22 and H22A platforms while retaining durability and reliability.

Key Features

• True Tri-Y (4-2-1) short-tube header design

• 304 stainless steel construction

• Precision CNC-machined flanges

• 3/8" thick manifold flanges

• 18-gauge stainless steel tubing

• True 2.5" collector

• Four-piece slip-fit design for improved fitment and serviceability

• Designed for strong low-to-mid-range power delivery

• One-year limited warranty

Vehicle Compatibility

• 1992–1996 Honda Prelude

• 1997–2001 Honda Prelude (crossmember modification required)

• Most H22-swap Honda Civic EG & EK

• Most H22-swap Acura Integra DC2

• Many other applications using H22 or H22A engines

Important Fitment Note:
Although the product code includes “H2B,” this header does NOT fit H2B swaps. H2B-specific headers are available separately.

Installation Notes

• Some applications, including 1997–2001 Prelude, may require notching the front crossmember for proper clearance

• Honda Preludes require an aftermarket traction bar or crossmember modification

• Professional installation is recommended for best results