After a recent meeting with Gildo Pallanca Pastor, race-car driver and owner of a tiny car company in Monaco called Venturi, Wynne will soon be able to move up to a 300hp engine with better turbochargers and a wider exhaust system.

FORBES: Magazine Article

The V8's vocals will bring a tear to your eye, with pitched, hissing over-notes coming from the turbochargers (17-psi max boost) and a major-league, Late Model Sportsman-style warble from the tailpipes, abetted by an active exhaust system that opens up as the engine revs rise.

WSJ: 2013 Bentley Continental GT V8 Review: Get More From Less | Rumble Seat by Dan Neil

Michael Cross, who heads up emissions solutions at diesel engine maker Cummins, says they will need help from an exhaust treatment system.

FORBES: Clearing the Air

The BRABUS engine specialists also fit the engine with larger turbochargers, a more efficient intercooling system and a stainless-steel high-performance quad exhaust system with free-flow metal catalysts.

ENGADGET: Brabus iBusiness luxury sedan puts an iPad at every seat, a Magic Mouse at every hide-covered armrest