Grimmspeed Equal Length Header 2022-2025 WRX / 2020-2025 Outback / 2020-2025 Legacy / 2019-2025 Ascent

Built with unmatched attention to detail and exhaust expertise, the GrimmSpeed Equal Length Header is a direct replacement for the OEM manifold that elevates both performance and durability for the 2022+ FA24 WRX.

QUICK SPECS:

• Full 304 Stainless Steel Construction – Flanges, tubing, collector, and badge
• True Equal Length Runners – CNC bent and trimmed for minimal variance
• Cast Merge Collector – Low restriction, smooth flow, consistent performance
• Thick 1/2” CNC Flanges & 14Ga Tubing – Enhanced durability and gasket sealing
• Direct Bolt-On – No tuning required
• Maintains Ground Clearance – Fits under stock skid plate
• Complete Kit – Gaskets and hardware included

DESIGN & PERFORMANCE:
CNC-bent and trimmed as a single piece, the runners maintain true equal length with less than 1% variance, maximizing efficiency for the twin-scroll turbo. The innovative low-restriction 304 stainless steel cast collector ensures smooth, consistent flow while fitting perfectly between the stock skid plate and oil pan—no spacers or clearance issues needed. Thick 1/2” CNC-cut flanges paired with 1.75” 14Ga tubing improve gasket sealing, reduce flow interruptions, and enhance longevity.

INSTALLATION:
This header is a direct bolt-on replacement that requires no tuning. The kit includes all necessary gaskets and hardware for a hassle-free install.

FITMENTS:

• 2022-2025 WRX (All trims)
• 2019-2025 Ascent (All trims)
• 2019-2025 Outback (Wilderness, XT, and Onyx Trims equipped with FA24DIT)
• 2020-2025 Legacy (Sport and XT Models equipped with FA24DIT)

Installation Instructions