Our Valved Exhaust System is designed to help you extract the most potential from your GT4 while still being streetable. While in quiet mode with the valves closed you will have a refined and sporty sound with no drone at highway speeds and retain the ability to quietly enter and exit your neighborhood without annoying those around you thanks to the high-quality mufflers.
+ Fits all Porsche GT4 / 981 Boxster Spyder vehicles
+ Direct bolt-on installation – instructions included
+ Compatible with factory exhaust valve controls
+ All Soul Performance Products components are backed by a renowned Lifetime Warranty for both street and track use