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Old 04-06-2017, 07:12 PM   #2
Scooby Newbie
Member Sales Rating: (0)
Member#: 464568
Join Date: Mar 2017
Location: Hawaii (Oahu)
2015 WRX Limited
Galaxy Blue


I'm about to install the N1 catback on my 2015 wrx. I bought the grimmspeed adapter that maintains the use of the OEM donut gasket. It is supposed to eliminate the exhaust leak that people have noticed. Did you replace yours without the use of the adapter?
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