🔊 Here it is! Put your volume all the way up 🔊 The heavily anticipated M240i sound comparison. We developed an 80mm OPF/GPF Bypass section with the Valved OPF/GPF Back system combined here with Quad GT100 Cerakote Black Tips ⚫️ to give this BMW a more impressive note and stylish finish. 😎 For more information visit: www.millteksport.com Like us on Facebook: www.facebook.com/Milltek Follow us on Twitter: www.twitter.com/MilltekSport