HKS 14019-AF002 Equal Length Exhaust Manifold for 2008-2021 Subaru WRX/STI EJ25

Vehicle Fitment

• 2008-2014 Subaru WRX (EJ25, Single Scroll, RWD)
• 2008-2021 Subaru WRX STI (EJ25, Single Scroll, AWD)

Features

• Equal length design for improved exhaust flow
• Crafted from durable SUS409 stainless steel
• Optimized for single-scroll turbochargers
• Designed to reduce turbo lag and improve spool time
• Enhances throttle response across the RPM range
• Compatible with stock oil pan layout
• Retains compatibility with OEM turbocharger and up-pipe
• Includes necessary gaskets and hardware for installation

Specifications

• Material: SUS409 Stainless Steel
• Pipe Diameter: 42.7mm
• Pipe Thickness: 2mm
• Design: 4-1 Equal Length
• Drivetrain Compatibility: AWD (STI), RWD (WRX)
• Emissions: Compliant with relevant regulations
• Installation: Direct fitment with minor modifications

Included Components

• 1x Equal Length Exhaust Manifold
• 1x Heat Shield
• 1x Gasket Set
• 1x Installation Hardware Kit

Product Description

The HKS 14019-AF002 Equal Length Exhaust Manifold is engineered for the 2008-2021 Subaru WRX and STI models equipped with the EJ25 single-scroll turbocharged engine. Constructed from high-quality SUS409 stainless steel, this manifold offers enhanced exhaust flow, reducing turbo lag and improving spool time for a more responsive driving experience.

Featuring a 4-1 equal length design, the manifold ensures balanced exhaust gas pulses, contributing to smoother engine operation and increased power output. The kit includes all necessary components for installation, making it a comprehensive solution for enthusiasts seeking to optimize their vehicle's performance.

Designed to retain compatibility with the stock oil pan layout, this manifold is a direct fitment upgrade that delivers significant performance gains without the need for extensive modifications.