Porsche Panamera

See & hear the 2010 Porsche Panamera Turbo in action with its upgraded stainless steel exhaust system from Hennessey Performance. This system gains 23 hp at the wheels offering an aggressive, exotic note while not being too loud. The Hennessey stainless steel catback exhaust system for the 2010 Porsche Panamera Turbo is now available for sale. 

Først DYNO testingen:

For en LYD!!!