H&R 18-22 Audi A5 Coupe Premium/Premium Plus (AWD) B9 VTF Adjustable Lowering Springs (Incl. MRC) Suspension>Strut Bars The DPF-back exhaust system features

The DPF-back exhaust system features constant-diameter 5- in

This exhaust exhaust system is constructed of 3 IN mandrel-bent 409 stainless steel tubing for maximum strength and durability

System also features Boryla's Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

Adds another half pound of boost

Dynamic Radial Fatigue Testing: This test simulates axial loads applied to a wheel by the vehicle

H&R 18-22 Audi A5 Coupe Premium/Premium Plus (AWD) B9 VTF Adjustable Lowering Springs (Incl. MRC) Suspension>Strut Bars The DPF-back exhaust system featuresH&R VTF kits are designed to work with your vehicles original electronic shocks. Specific rate springs provide superb ride quality and comfort, while reducing body roll, offering more balance and control to your ride. H&R VTF packages are made with light weight, high tensile strength spring steel alloy, feature a limited lifetime warranty, and are TUV approved.