The STM aluminum weld-on MAF flange for GR Corolla and 2022+ WRX & BRZ is a must-have for your custom intake! CNC machined in-house at STM and available for 3 and 3.5″ aluminum tubing. Stainless hardware is included. Fits the factory MAF sensor.
Vehicle Fitment:
2023+ Toyota Corolla GR
2022+ Subaru BRZ 2.4L
2022+ Subaru WRX 2.4L
• Welding required
STM Products are made in the USA!
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.
Purchase Includes:
(1) STM 6061 Aluminum MAF Flange
(2) M4-0.7x10mm Bolts
Also Available:
for Stainless Tube
| Part Number: | For Tube Size: | Notes: |
| GRC-MAFF-3 | 3.00″ | Recommended for 3.0″ tubing. |
| GRC-MAFF-35 | 3.50″ | Recommended for 3.5″ tubing. |





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