Invidia HS22SW4HDEL Equal Length Turbo Header for 2022-2025 Subaru WRX FA24

Vehicle Fitment

• 2022-2025 Subaru WRX (VB) 2.4L Turbo (FA24)

Fitment Notes

• Fits VB-chassis WRX only -- does NOT fit VA-chassis (2015-2021) WRX/STI
• FA24 turbocharged engine only
• Professional tune required after installation
• Not CARB legal -- not for sale or use in California
• Bolt-on installation -- replaces factory exhaust manifold

Features

• Equal-length runner design for balanced exhaust pulses to the turbocharger
• 304 stainless steel piping for corrosion resistance and durability
• Cast stainless steel collectors and flanges for high-temperature strength
• Smooth mandrel bends for unobstructed exhaust gas flow
• Reduces backpressure and improves turbo spool response
• Increases horsepower and torque over factory manifold
• Lighter weight than OEM exhaust manifold
• Produces a more aggressive exhaust tone

Specifications

• Part Number: HS22SW4HDEL
• Type: Equal Length Turbo Exhaust Header
• Material: 304 Stainless Steel (piping), Cast Stainless Steel (collectors/flanges)
• Finish: Natural Stainless
• Weight: 18 lbs
• CARB Legal: No
• Country of Manufacture: China

Included Components

• 1x Invidia equal length turbo exhaust header
• Mounting hardware and gaskets

Product Description

The Invidia HS22SW4HDEL is an equal-length turbo exhaust header designed for the 2022-2025 Subaru WRX equipped with the FA24 2.4L turbocharged engine. By replacing the restrictive factory exhaust manifold with equal-length 304 stainless steel runners, this header delivers balanced exhaust pulses to the turbocharger at evenly spaced intervals. The result is improved turbo spool response, reduced backpressure, and increased horsepower and torque across the RPM range.

The header features cast stainless steel collectors and flanges engineered to withstand the extreme temperatures and pressures of turbocharged applications. Smooth mandrel bends throughout the runners ensure unobstructed exhaust gas flow from the combustion chambers to the turbo inlet. Installation is bolt-on with no cutting or welding required, though a professional ECU tune is mandatory after installation to take full advantage of the improved exhaust flow characteristics. Backed by Invidia's limited lifetime warranty for the original purchaser.