Feature 1Making exhaust smoother and improve power, bringing you a great driving experience. 2Premium stainless steel and carbon fiber , resistance to corrosion and heat, high strength, durable to use. 3Modified double-out carbon fiber tail throat is suitable for 57mm/2.24in exhaust pipe. 4Suitable for vehicles with one side of the exhaust pipe. 5Easy installation, convenient for using, fit for A4L A6.Item Type: Tail throatCondition: Brand newMaterial: Carbon fiber + stainless steelColor: As Pictures ShownOptional Type: Glossy high low left, Glossy high low rightOutlet Size: Approx.89mm/3.50inInlet Size: Approx.60mm/2.36inSize of Pipe: Approx.57mm/2.24inTotal Length: Approx.250mm/9.84inFitment:Fit for A4LFit for A6Application: Suitable for vehicles with one side of the exhaust pipe. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Tail ThroatNotePlease check the size for your car pipe before make order.Generally needs to cut the exhaust pipe, and the rear lip that needs to be replaced with a double out throat or the rear bar needs to be cut out of the double space, so need to be installed in a store usually.