Techart gives the 2009 Porsche 911 Carrera 4S a total of 420-hp
Techart has introduced a modification program for the new 2009 Porsche 911 Carrera 4S that offers up to 35 more horsepower. The modification includes a new exhaust system with two manifolds and a stainless steel Sportkatanlage, muffler with exhaust flap control unit and an exhaust valve doppelovale tailpipes in gloss black or chrome. All that [...]
