Bilstein B16 2004 Audi S4 Base Front and Rear Performance Suspension System 20-0899 These precision-machined AN female-to-female coupler

These precision-machined AN female-to-female coupler fittings allow two AN male flare hose ends to be joined directly

leak-free installation of the pressure sensor

3kg vs stock 5

engine throttle

Construction: Laser-cut anodized aluminum

Bilstein B16 2004 Audi S4 Base Front and Rear Performance Suspension System 20-0899 These precision-machined AN female-to-female couplerBilstein B16 (PSS9) suspension kits feature ride height adjustability with 9 stage manually adjustable dampers in an OE quality, direct fit package. The 9 stage damping system adjusts both rebound and compression with each click to provide the best handling performance in any condition. These kits offer monotube performance dampers with matched springs that are tuned for each specific application. The zinc coated and threaded body design will give you