RTW Motoring is a North Hollywood-based tuner that got its hands on Mansory parts and builds the Swiss tuner’s vehicles for the U.S. market.

The tuner filmed a video to show off the Mansory Porsche Panamera riding through L.A. It features two models with the full aerodynamic carbon-fiber kit.

Click here for more news on the Porsche Panamera.

This pair of Porsches get an ECU upgrade, and a sport exhaust system, putting out 681hp. An improved 0-62mph time clocks in at 4 seconds flat.

- By: Alexandra Koken