Power Driven B-Series Hood Exit Race Header with 4-1 Megaphone B18 B20

The PLM Power Driven B-Series Hood Exit Race Header is engineered for maximum horsepower and torque gains in all-out race applications. Featuring a 4-1 merge collector and megaphone design, this header optimizes exhaust flow, backpressure, and scavenging — delivering proven results for autocross, drag racing, and road racing builds.

Built from 304 brushed stainless steel, each header is CNC machined, hand TIG-welded, and designed for precision fitment on Honda B-Series engines (B16, B18, B20).

⚙️ Key Features

• Fits:

  • 1992–2000 Honda Civic EG / EK

  • 1993–1997 Honda Del Sol

  • 1994–2001 Acura Integra DC2 / DC4

  • 1988–1991 Honda CRX (with B-series swap + traction bar)

  • 1990–1993 Acura Integra (with traction bar)

• Engine Compatibility: B16 • B18 • B20 • 1.8L–2.2L

• Material: 304 brushed stainless steel (18-gauge)

• Design: 4-1 merge collector with megaphone outlet

• Two-piece construction for easy install and transport

• Hand TIG-welded craftsmanship for durability and strength

• CNC-machined manifold flange for perfect seal and alignment

• Includes:

  • OEM-spec header gasket ($20 value)

  • Exhaust heat shield trim ($50 value)

• Warranty: 1-Year Limited Manufacturer Warranty

• Fitment Notes:

  • Requires half-core radiator & slim fan

  • Modifications required for A/C and P/S clearance

  • O2 sensor extension needed

🏁 Performance Benefits

• Maximum exhaust velocity for improved top-end power

• Designed for track, drag, and road race performance

• Reduces exhaust restriction for faster turbo spool or NA flow

• Lightweight, corrosion-resistant construction

• Proven dyno gains when tuned properly

⚠️ Important Notes

• For off-road/race use only (Not CARB legal in California)

• Must be installed by a professional or experienced builder

• Recommended for vehicles with aftermarket traction bar