An Akrapovič exhaust that deserves to be driven and heard! A new design with twin tailpipes, which has a coated outer shell and an inner sleeve featuring six imprints to match the #Porsche 911 #GT3’s six-cylinder engine. _ _ _ _ Emission notice: http://emission.akrapovic.com This Slip-On Race Line (Titanium) with Evolution Header Set does not meet emission compliance requirements for street or highway use.