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PLM 4-1 Hood Exit Exhaust Header (Megaphone Collector) - B-Series Engine

PLM 4-1 Hood Exit Exhaust Header (Megaphone Collector) - B-Series Engine


Regular price $650.00
Regular price $950.00 Sale price $650.00
Sale Sold out
Shipping calculated at checkout.
PLM's B-Series engine hood exit race exhaust header delivers outstanding power! Featuring a 4-1 Merge Collector and Megaphone combo to ensure balanced exhaust flow, its two piece design is perfect for autocross, drag racing, and road racing - with unbeatable peak horsepower for 1.8L - 2.2L engine displacements!


  • 304 brushed stainless steel
  • Hand TIG Welded
  • CNC machined manifold flange
  • Two-piece design


  • Comes pre-assembled


  • 18 gauge, 304 stainless steel

Note: Modification needed for A/C and P/S. Usage of O2 oxygen sensor needed. Half core radiator must be used with slim fan.HEADER IS INTENDED TO BE OFF ROAD USE ONLY. NOT CARB LEGAL IN CALIFORNIA.


  • Honda B-Series Engines - B16 B18 B20
  • 1992 - 2000 Honda Civic | EG EK
  • 1993 - 1997 Honda Del Sol
  • 1994 - 2001 Acura Integra | DB DC
  • 1988 - 1991 Honda CRX (with any B-Series engine swap with aftermarket traction bar)
  • 1990 - 1993 Acura Integra (with aftermarket traction bar)

What's Included?

Install Guide


  • One year manufacturer warranty.


We realize that returns and exchanges are a part of the purchasing process and we do our best to make it as easy as possible. If you are not 100% satisfied with your purchase, you can return your order to Liken Motorsports within 30 DAYS from the invoice date.

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PLM 4-1 Hood Exit Exhaust Header (Megaphone Collector) - B-Series Engine

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Frequently Asked Questions

Do you ship overseas?

Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.

How long will it take to get my order?

It varies based on your location. Orders processed here will take 1-7 business days to arrive. Overseas deliveries can take anywhere from 7-16 days. Delivery details and updates will be provided in your order confirmation email.

Any question?

You can contact us through our contact page! We will be happy to assist you.