TechArt's Latest: Porsche 911 GTstreet

Poreche tuning haus TechArt is rolling out its latest GTstreet — a concoction first mixed in 2001 with the 996-series 911 Turbo. The new 997 version has been tweaked to 630 horsepower (from 480) via twin VTG turbochargers and intercoolers, new performance air box and manifolds and a stainless-steel sport exhaust system … » 7/02/07 8:21am 7/02/07 8:21am