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Injen WRX Downpipe with High Flow Cat
A downpipe is the key to additional power for your stock turbo, or a must have for any turbo upgrade. Injen offers perfect fit and includes a high flow calitic converter! The rear O2 sensor mount is designed to prevent 'check engine' lights.
Stage2 for your AccessPort is a full exhaust system including catback and downpipe(uppipe on some models). Get to Stage2 with Injen exhaust from SPO.