WRX STI Catback Exhaust Detailed Installation

See how to install a Catback exhaust on your car. The installation you see was of an Invidia Q300 Catback Exhaust (HS15STIG3T) on my 2020 Subaru WRX STI. The process is the same regardless of which cat back exhaust you get and very similar across different vehicles.
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Review video: • Invidia Q300 Catback E...
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