GRUPPE-S

G and S-- mechanical engine parts for high performance modification relating to engine tuning, drive-train tuning, chassis tuning, and comprehensive tuning of motor vehicles, all for increased power, faster acceleration and improved handling; automotive products for high performance modification relating to engine tuning, drive-train tuning, chassis tuning, and comprehensive tuning of motor vehicles, namely, exhaust systems comprising mufflers, headers, exhaust manifolds, turbo outlet pipes, and exhaust intake manifolds, exhaust manifolds, turbochargers, and fuel management systems comprising fuel injectors, and electronic engine management systems, all for increased power, faster acceleration and improved handling