NEW Porsche 911 Singer DLS 4.0 N/A Flat Six 9000rpm by Williams F1 INCREDIBLE Sound Acceleration & Sound Drag & Track by turboandstance - July 16, 2018August 3, 2019 During the Goodwood Festival of Speed 2018 this amazing Porsche 911 Singer DLS 4.0 N/A Flat Six was filmed. Based on the Porsche 911 964. Singer partnered with Williams to undertake the DLS project to create the ultimate Porsche 911 that looks and sounds immense, the exhaust note was incredible! This beauty is powered by a normally aspirated, air-cooled Porsche flat-six engine developed by Williams Advanced Engineering to give 500bhp at a mind blowing 9000rpm! Watch the video below, leave a comment and follow us also on Facebook! Leave a comment