You won't find anything that sounds better than akrapovic..
I've installed on mine and don't regret for a second.
I have a small clip, recorded by an gopro on the interior.. I can send you.
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BMW 1M AW - Full Akrapovic, Cobb, ER Chargepipe, Tial BOV, Rogue SSK, M Performance Steering Wheel V2, Brembo 18z Front and Rear Calipers, StopTech Brake Lines
Porsche 911 Turbo (997.1) GT Silver - Fabspeed Maxflo, Cobb Custom Tune, Spec Clutch 2+, HR Sway Bars + Spring
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