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The PERRIN Engine Cover and Belt Cover are constructed from aluminum with precision drilled mounting holes and finished in a Neon Yellow textured powder coat
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This actually causes both an increase in vehicle drag
Increase airflow to your turbo and motor for torque and power gains with the 15-17 STI Injen Evo Cold Air Intake System
K&N Typhoon Performance Intake - 2018-2021 Subaru STI Brakes- Rotors & Pads>Brake Rotors - Slot & Drilled The PERRIN Engine Cover andGain a guaranteed increase in horsepower and torque with a K&N cold air intake system featuring a mandrel bent aluminum intake tube. Each system is paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media. The oversized, conical filter design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield or air box helps protect intake air from the high