GrimmSpeed Post-MAF Hose - Black - 08-14 WRX, 08+ STI, 05-09 LGT/OBXT

GrimmSpeed Post-MAF Hose Kit
Fitment: 2008–14 WRX, 2008–21 STI, 05–09 Legacy GT / Outback XT, 09–13 Forester XT

Ditch the factory accordion-style post-MAF hose and smooth out your airflow with the GrimmSpeed Post-MAF Hose Kit. This 4-ply reinforced silicone upgrade is a direct fit that improves performance, cleans up your engine bay, and eliminates the airflow disruptions caused by the OEM design.

Smooth interior eliminates turbulence from OEM corrugation

Tapered design ensures seamless transition between airbox and turbo inlet

Flexible yet durable 4-ply silicone construction won’t collapse under vacuum

Includes high-quality clamps for a secure, leak-free install

No tuning required — works with OEM airbox or GrimmSpeed filter

📌 Note: For 2015–17 STI with the factory sound generator, use the GrimmSpeed Sound Plug Delete or opt for the 2018+ version to eliminate the port.

SKU: 125011
Brand: GrimmSpeed