Akrapovic Slip-On Line (Titanium) for Porsche Panamera / 4 E-Hybrid / 4S / Sport Turismo (971)SO Slip OnThis product is made from high grade lightweight titanium for a weight saving of 34. 2% over the AMG Performance exhaust system. The fully sandblasted exterior is completed with a new tailpipe design constructed from hand crafted carbon fibre with a titanium inner sleeve. Power gains of 6. 3 kW (8. 6 hp) and torque increases of 21. 3 Nm, both at 2,800 rpm, have been achieved when tested on the Akrapovi dyno against the Mercedes AMG GLE 63 S