ISR Performance 3.0in Inlet Air Filter

Upgrade your Subaru’s intake system with the ISR Performance 3.0in Inlet Air Filter, engineered to enhance engine performance through improved airflow and superior filtration. This premium universal air filter is designed for enthusiasts seeking a reliable and efficient upgrade that boosts throttle response and power delivery.

Featuring a 3.0-inch inlet and a 3-inch clamp inlet, this filter fits a wide range of custom and aftermarket intake setups. Its dimensions—3-inch top, 4-inch base, and 3-5/8 inch height—ensure compatibility with various Subaru models, including WRX, WRX STI, and BRZ/86. The durable construction protects your engine from harmful debris, maintaining optimal air intake efficiency for consistent performance gains.

Ideal for performance upgrades or routine maintenance, the ISR Performance air filter is a practical choice for Subaru enthusiasts who demand quality and reliability. Shop now at Subimods to access expert support and fast shipping on trusted Subaru parts designed to keep your ride running strong.