Vacuum Check Valve | A4 | Passat 1.8TVery common check valve that fails on all Audi A4 and VW Passat 1. 8T engines. This valve will cause a vacuum leak leading to idle problems and loss of boost under load. There are multiple valves throughout the engine using this same valve. VW Audi part # 058905291K Part # 058 905 291 K 058905291 K 058 905 291 K 058905291K Vaico Part # V10 2108

in conjunction with aftermarket I-beam rods

ISO 9001:2008 certified

Disc Size and Construction: 328x28 2-Piece

lifetime warranty

8N TTRS - 2013 (USA)

3 inches on average

The included AWE S-FLO Filter is designed specifically for this airbox to be easily serviceable and to maximize airflow

4-Series F36 Grand Coupe 10/2014-10/16

CPRA) and 2018 Passat/Beetle 2

The transparent gel is suitable for all colors

Advanced fiber construction provides incomparable durability and extreme pressure-resistance

The 3″ design of the CTS Turbo MK6 GTI turbo-back is ideal those of us chasing serious horsepower