Toyota Yaris GR and Corolla GR Upper Airbox Induction Kit
Toyota Yaris GR and Corolla GR Upper Airbox Induction Kit
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Description
- Gains of 13bhp
- Peak torque gains of 8nm
- High quality carbon fibre
- Pleated performance air filter
- No engine management check lights (EML)
- Increased air flow
- Lifetime warranty*
Due to the sensitivity of the MAF and stock map of the Yaris, a lot of testing was required to ensure that performance was gained without inflicting the driveability of the car - especially as we were changing from a panel filter to a cone filter and an increased diameter. To test this in real world conditions, we created a modular design that was 3D printed and allowed for different variations of MAF position, diameter, and airflow to be tested on road and the dyno. After finding the optimum design, we then reprinted the full prototype and left this on the vehicle. This allowed us to continue our testing to prove out the performance repeatability in real world driving conditions. We also noted at this stage that there is a small gain in induction noise.
This product works extremely well when collaborated with existing Forge Motorsport performance products for the Toyota Yaris GR. With the release



