Bilstein B8 2009 Audi A4 Quattro Avant Rear 46mm Monotube Shock Absorber 2011-nissan-frontier-sl-esi4246666 If your car has 1

If your car has 1 tip on each muffler and you want to upgrade it to 2 tips on each muffler (also know as quad tips)

Polyphonic Harmonizer Technology

High-quality T-304 austenitic Stainless steel for superior corrosion resistance

1" Wheelbase vehicles

It features BORLA(r)'S patented Multi-Core 6 tube design for maximum flow

Bilstein B8 2009 Audi A4 Quattro Avant Rear 46mm Monotube Shock Absorber 2011-nissan-frontier-sl-esi4246666 If your car has 1Bilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B8 Performance Plus dampers are the ideal solution for pairing with a lowering spring for improved