Bilstein B8 2009 Audi A4 Quattro Avant Front 46mm Monotube Shock Absorber Suspension>Leaf Springs & Accessories Can be used in pulse

Can be used in pulse modulated applications

Unique Integrated Filter-to-Housing Intake Design:Quantum uses an integrated filter-to-housing design by attaching both components with 4 captive screws for a positive surface area seal and quick and easy install

and delivers the same power gains

SmartSeal clamps and heavy-duty

Deep rumble with minimal filter

Bilstein B8 2009 Audi A4 Quattro Avant Front 46mm Monotube Shock Absorber Suspension>Leaf Springs & Accessories Can be used in pulseBilstein 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