Renntech

Renntech Inc. is an American high-performance automotive aftermarket tuning company founded in 1989, with their headquarters located in Stuart, Florida.

[5] Today RENNtech a prominent Mercedes-Benz specialist, and Feyhl himself is regarded by many as the foremost authority on Mercedes tuning in the United States.

RENNtech has expanded their product line to include other car manufacturers - specifically Porsche, Aston Martin, Bentley, Rolls Royce, Maserati, Volkswagen, and Audi vehicles.

RENNtech also offers cosmetic modifications including aerodynamic body kits, carbon fiber splitters, and multi-piece forged alloy wheels.

These services include increasing the engine displacement through bore-and-stroke, exhaust systems, suspension and improvements to the interior from custom upholstery, gauges, shift knobs, pedals, and trim to various electronics.