PLM Power Driven K-Series K20 / K24 Tri-Y Header- 2002-2006 Acura RSX & Honda Civic Si EP3

PLM Power Driven K-Series K20 / K24 Tri-Y Header

For Acura RSX & Honda Civic Si EP3

SKU: PLM-HDC5-K24-HEADER

Product Description

The PLM Power Driven K-Series Tri-Y Header is engineered to deliver exceptional low- to mid-range performance for K20 and K24–powered Acura RSX and Honda Civic EP3 platforms. Designed with a true Tri-Y configuration and step-up exhaust design, this header optimizes exhaust scavenging to improve throttle response, torque delivery, and overall drivability.

Built with a multi-piece race-inspired design, this header maximizes engine bay clearance while maintaining excellent fitment and serviceability. Constructed from high-quality 304 stainless steel and hand TIG-welded for strength and longevity, it offers a perfect balance of performance, durability, and installation ease.

Whether you’re upgrading a daily-driven RSX or building a responsive K-swap setup, the PLM K-Series Tri-Y Header delivers proven gains and trusted PLM craftsmanship.

Key Benefits

• Improved low- and mid-range torque

• Enhanced throttle response and exhaust flow

• Tri-Y design optimized for street and track performance

• Durable stainless steel construction

• Designed for K20 and K24 engine applications

Features & Specifications

• True Tri-Y short-tube header design

• Multi-piece race construction for improved engine bay clearance

• 304 stainless steel construction

• Hand TIG-welded for strength and consistency

• True 2.5” collector

• CNC-machined manifold flange

• Flange thickness: 0.38”

• 18-gauge stainless steel tubing

• Tubing wall thickness measured at 0.049”–0.050”

• Precision mandrel-bent piping

• Includes extension pipe (RSX fitment)

• Includes gaskets and required installation hardware

• One-year manufacturer warranty

Vehicle Compatibility

• 2002–2006 Acura RSX (K20 / K24)

• 2001–2005 Honda Civic Si EP3 Hatchback (K20 / K24)

Installation Notes

• Extension pipe is designed for RSX (DC5) fitment

• On EP3 Civic, the included adapter pipe will not fit

• EP3 Civic, RSX Type-S, or Type-R exhaust is required for proper connection

• Not intended to defeat or bypass any emissions control device

• Professional installation recommended