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Experience the incredible sound, fit, and style of the Invidia N1 Racing Cat Back Exhaust for your GD WRX/STi. Simple installation - remove old exhaust, install Invidia N1, and start your engine. In addition to a powerful exhaust note, this system's minimal bends and larger piping diameter allow for maximum flow and a significant boost in horsepower and torque. You'll also notice improved throttle response and reduced turbo lag. Upgrade to the Invidia N1 for a truly exhilarating driving experience.
Note: If you're using the factory downpipe, you will need to add a catback adapter as well!
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