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

The VTR specification maintains and enhances the exhaust tones you love but while eliminating the rasp and drone you hate in a performance exhaust system

All plugs come pre-gapped

You can expect reduced body roll and superb ride comfort with better driving convenience

control and handling without a harsh ride

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