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Fits all Porsche 981 Cayman GT4 / Boxster Spyder vehicles (2015-2016)
Fabspeed HJS German tri-metallic catalytic converters are State of the Art ultimate emission legal performance-enhancing components
Smoother airflow provides an additional 15 horsepower over the stock system
Porsche Boxster Spyder 2016
NO other USA company has the RIGHT to be offering HJS cats and IF they are the HJS cats are thereby Grey Market
Dry Carbon Fiber R-HR Aerodisc for Magnesium Rims (Porsche 718 GT4 | Spyder | RS) GT4 Exhaust Fits all Porsche 981 CaymanHighlights: Inspired by Motorsport Legends: From Le Mans to F1, wheel aero covers have proven to be the most effective means of reducing drag and optimizing downforce. Modern street cars from Manthey Racing and AMG feature specially designed wheel covers for their top models. Now, SR brings this innovation to the GT4 RS. Track Tested & Proven Performance: SR AeroDisc has undergone over 20 hours of rigorous track testing with professional drivers. It