KW H.A.S. - Porsche 911 (991), Carrera 2/4, S & GTS, Coupe & Convertible; without PDCCKW (H. A. S) Height Adjustable Spring kits are a great alternative to conventional lowering springs. You are no longer stuck with a fixed lowering height. KW H. A. S. systems allow you to adjust the vehicle ride height with the KW height adjuster even after the kit has been installed. Your vehicle not only gets a more dynamic look, but also the steering behavior and response of the standard dampers becomes more agile. All driver assistance systems and

The valves help regulate

The Pro 5R performance air filter features 5-layers of progressively finer mesh cotton gauze oiled media and is constructed with 100% polyurethane frame for long life and multiple cleaning cycles

MFR Part # URO-015366

Transmission or Suspension Mounts May Be a Cause for Vibration or Noise Which May be Incorrectly Attributed to a Worn or Faulty CV Joint or Axle Assembly

and used together with the available "short" fuel filters from Nuke Performance (see matching part numbers in the description)

1J0-411-315-K / 1J0411315 K / 1J0 411 315 K / 1J0411315K

Durable forged pistons

11-65-7-559-557 / 11 65 7 559 557 / 11657559557

The OE B9 A4/A5 intake hose has a small vacuum take-off used to supply vacuum to various components of the engine

the ram air design

(2) Air filter quality sensor extension harnesses

Ram-air inlet pulls fresh air from front of car