Injen Evolution Series Air Induction System (EVO1501) 1604 Some have an extra ring

Some have an extra ring to make them feel more stiff

This Kit works great for powersports applications

AEM offers 1/8" NPT DTM-Style Connector(PN 30-2013)

You Can Trust Autometer To Keep Your Vehicle Performing At Its Peak

Reduces chassis flex to maintain steering stability under cornering

Injen Evolution Series Air Induction System (EVO1501) 1604 Some have an extra ringBoost up the performance of your 2017 2020 Honda Civic Si with Injen's all new EVO1501 Evolution sealed cold air intake system. The EVO1501 cold air intake was designed using advanced engineering tools to offer a top quality kit that has no parallel. The EVO1501 one piece sealed housing utilizes our patent pending Twist Lock technology to securely fasten our SuperNano Web Dry air filter in place. Injen has put it all on the table to give you, the