Mad Dat
Toyota 86/Subaru BRZ Anti Surge Fuel Flap
SKU: ASFF
Price Inc GST
The MadDat Anti-Surge Fuel Flap is designed to fit any Toyota 86 or Subaru BRZ and some WRX and is a simple and effective solution to the common fuel starvation problem experienced during high-G cornering.
Designed to fit inside the standard factory fuel pot / fuel basket, the flap helps keep fuel around the pickup during long, high-G left-hand corners, reducing fuel surge and helping maintain a consistent fuel supply to the engine.
It also allows you to run the fuel tank at a lower level with less risk of fuel starvation, making it particularly useful for track and race applications.
Features:
- Designed to suit Toyota 86 and Subaru BRZ
- Also suits some WRX applications
- Fits inside the standard fuel pot / fuel basket
- Helps eliminate fuel surge and starvation
- Particularly effective during long, high-G left-hand corners
- Allows you to run lower fuel levels with greater confidence
- Simple and cost-effective solution
- Easy installation – can be fitted in under an hour
- Ideal for track and race cars
Why upgrade?
Avoid the expense and complexity of a complete surge tank or major fuel system upgrade. This simple anti-surge solution works with the factory fuel system components to help maintain fuel around the pickup when cornering hard.
Please Note:
Fitment may vary between models and fuel system configurations. Please contact us to confirm compatibility with your specific WRX before ordering.




