ST 273100AQ Coilover Spring Kit AUDI A4 (B9); (B8, B81) 10/15- FA 15-40 RA 20-45 ymm_75 The headlamp duct channels air

The headlamp duct channels air directly into the intake area of the engine bay

that can be heat-treated to deliver tensile strengths between 180

Ensures correct positioning within the seat assembly

Since dyno figures vary between runs - for fairness we chose to publish figures using the highest stock run VS highest Eventuri run

304 Stainless Steel

ST 273100AQ Coilover Spring Kit AUDI A4 (B9); (B8, B81) 10/15- FA 15-40 RA 20-45 ymm_75 The headlamp duct channels airST 273100AQ Height adjustable springs kit (lowering springs) The ST suspensions coil springs convert the OEM suspension into a height adjustable setup while retaining the factory dampers. Thanks to the ST threaded sleeves, the system is compatible with vehicles equipped with either welded or clipped spring perches on the original dampers. On applicable vehicles, the use of electronic damper control can also be retained. The springs are engineered with