Injen Downpipe Catted Divorced Wastegate WRX / STI (2008-2014) Infiniti Audi A4 Quattro 4Cyl 2001

Audi A4 Quattro 4Cyl 2001 (F: 1

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

The occasional G may seem harmless by itself

Universal Radiator 25" x 16" x 3" # MMRAD-UNI-25

Injen Downpipe Catted Divorced Wastegate WRX / STI (2008-2014) Infiniti Audi A4 Quattro 4Cyl 2001Let 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