Injen Downpipe Catted Divorced Wastegate WRX / STI (2008-2014) Infiniti The airflow straightener improves MAF

The airflow straightener improves MAF readings by forcing incoming airflow into a uniform profile

This system retains factory mounting locations and requires no modification for a simple

control and handling without a harsh ride

which provides a 16% increase in filter surface area

The AEM cold air intake uses stock diameter size mandrel bent aluminum piping and even includes an air-flow straightener

Injen Downpipe Catted Divorced Wastegate WRX / STI (2008-2014) Infiniti The airflow straightener improves MAFLet your 2008 2014Subaru WRX STI breathe better with a performance downpipe from Injen Technology. Mandrel bent from full three inch stainless steel, these quality Injen downpipes feature thick flanges and a cast divided wastegate (aka divorced style) mouth at the turbo connection. Unlike most other downpipes on the market, Injen has welded an 02 sensor extension on to their downpipes from the factory, minimizing your chance of seeing that pesky check