INSTALLING THE GRAIL CATBACK EXHAUST TO OUR 991.1 GT3RS (LOUD)

We all love a bit of 9K RPM? We thought we would add a little extra to that tone thanks to Grail! grail_offic...
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[@swift__]

Love the Grail system, they sound incredible. 👌🏻👌🏻

[@jennypenny7243]

Same name as the Chinese company BYD - Build your dreams That exhaust sound extreme! Lovely stuff

[@pauljames3514]

overtaking on double white!!!!! should have edited that out

[@grailautomotive]

🔥🔥🔥

[@dimmacommunication]

Nice :)

[@r44performance]

Thanks to you guys!

[@leobats14]

Beautiful car. Top video.

[@r44performance]

Thank you! 👍