HKS 1419-RF001 for STI Stainless Steel Exhaust Manifold

Vehicle Fitment

• 2002-2007 Subaru WRX (EJ205, EJ255, EJ257, AWD)
• 2004-2007 Subaru STI (EJ257, AWD)

Features

• Polished SUS304 stainless steel construction for corrosion resistance
• Unequal length design improves turbo spool and throttle response
• Enhances horsepower and torque output
• Reduces turbo lag for faster boost delivery
• Produces aggressive exhaust tone unique to HKS manifolds
• Compatible with factory and aftermarket 2-bolt flange up-pipes
• Includes installation hardware and necessary gaskets
• Direct bolt-on replacement for factory exhaust manifold

Specifications

• Material: SUS304 stainless steel
• Design: Unequal length exhaust manifold
• Included gaskets: 2x manifold gaskets, 1x up-pipe gasket
• Additional components: Heat wrap, O2 sensor plug, zip ties
• Fitment: Front engine, AWD drivetrain
• Weight: Approx. 10 kg

Included Components

• 1x HKS Unequal Length Exhaust Manifold
• 2x Manifold Gaskets
• 1x Up-pipe Gasket
• 1x Heat Wrap
• 1x O2 Sensor Plug
• Zip Ties

Product Description

The HKS 1419-RF001 Unequal Length Exhaust Manifold is designed for Subaru WRX and STI models from 2002 to 2007. Crafted from durable SUS304 stainless steel, this manifold optimizes exhaust flow with its unequal length design, resulting in improved turbo spool times, increased horsepower, and enhanced torque delivery. Its robust construction ensures long-lasting corrosion resistance and heat durability.

This manifold is a direct replacement for the factory unit and is compatible with both stock and aftermarket 2-bolt flange up-pipes. The kit includes all necessary gaskets and accessories for a straightforward installation. Ideal for enthusiasts looking to boost performance and achieve a more aggressive exhaust note, this HKS manifold delivers reliable quality and proven results.