Humble Rumble

Humble Rumble Firewall Spotweld Replacement Hardware Kit

2008-2014 Subaru WRX / STI


SKU: HR-HWK03We price match!

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  • Reinforces the weak factory firewall welds
  • Reduces firewall flex during heavy braking conditions
  • Avoids the use of an aftermarket firewall brace




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Humble Rumble Firewall Spotweld Replacement Hardware Kit V3


  • Includes (6) bolts
  • Includes (6) washers
  • Includes (6) nuts
  • Designed to fill the 5mm spot weld voids on the firewall where the clutch bracket is located
  • Installation can be performed from 1-2 hours
  • The bolts on the V3 version are longer



This is the Humble Rumble Firewall Spot Weld Replacement Hardware Kit. The clutch and pedal assembly in your vehicle is mounted onto a bracket that is spot welded on the firewall using (6) 5mm diameter spot welds. The thin firewall will eventually lose the thin 5mm spot welds through the use of the clutch pedal which will lead to a squeaky clutch, and sometimes a squeaky brake pedal. This hardware kit will replace those spot welds to reinforce the firewall where the clutch pedal is mounted. 

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