Perrin [15-21 WRX/STI] Firewall Grommet Performance Lighting it helps reduce internal stress

it helps reduce internal stress within the spring itself

and throttle control across all driving conditions

affordable solution for supercharged Camaro owners who want reliable

reduces lag

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Perrin [15-21 WRX/STI] Firewall Grommet Performance Lighting it helps reduce internal stressThe PERRIN Firewall Grommet makes cable management for routing wires from the interior to the engine bay simple and protects them from wearing on bare metal. Allows for an easy pathway to route cables, wires, and hoses between your engine bay and interior. This makes for a more professional installation when installing PERRIN Gauges. When you install your wires to connect whatever sensors you may have through to your gauges on your dash, you will have