Solstice SD 290 Pontiac Concept Car

Solstice SD 290 Pontiac Concept CarPontiac has turned the wick up on the Solstice GXP's turbocharged 2.0-liter Ecotec in line-4 so it produces 290 horsepower, 30 hp more than the output of the stock engine. Apparently the only modification is the fitment of a low-restriction cat back exhaust system with a center outlet from Solo Performance, and a 10 percent power improvement does generally come