As GT3 RS 4.0 examples continue to soar in value and sell at the seven-figure mark, we’re taking a deep dive into one of Porsche’s most collectible cars. The Porsche 997 GT3 RS was already a track-focused icon before Porsche Motorsport decided to up the ante with the limited-production RS 4.0. While the 997.1 GT3 […] The post Mezger’s Masterpiece: Everything You Need To Know About The 997 Porsche 911 GT3 RS 4.0 appeared first on duPont REGISTRY News.