Akrapovics Slip-On Race Line represents the first step in the exhaust system tuning process and it can easily be installed onto the Porsche GT3's (992) stock system. Built from hi-grade titanium and finished with two eye-catching double round tailpipes, this entry system makes the GT3 (992) more powerful and lighter, and gives the car that unique, racing Akrapovic sound.Those clients aiming to install a complete Evolution exhaust system must order separately the Evolution Header Set (Titanium) E-PO/T/7.When installing the Akrapovic Evolution Header Set on OPF/GPF vehicles, remapping the ECU is mandatory in order to prevent potential check engine light warning signals. When installing the Akrapovic Evolution Header Set on NON-OPF/GPF vehicles, remapping the ECU is recommended.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.