AEM 19-21 Subaru WRX STI 2.5L H4 Cold Air Intake System 2009-chrysler-300-signature-series-esi8020844 SZ1-XTR4 kit features an Xtreme

SZ1-XTR4 kit features an Xtreme pressure plate for the most demanding driver

ATAK® is tuned like a graphic equalizer to shape and focus sound waves for optimum high-volume output

Since mid-1964

Give your ZR2 or AT4X the power

AEM 19-21 Subaru WRX STI 2.5L H4 Cold Air Intake System 2009-chrysler-300-signature-series-esi8020844 SZ1-XTR4 kit features an XtremeAEM cold air intake systems are designed to increase horsepower and torque. The system includes an oversized AEM DRYFLOW synthetic washable air filter, engineered to provide outstanding airflow, filtration, and performance, and also features a mandrel bent aluminum intake tube and high quality hardware. The oversized, conical filter design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom