2005 gti

Hey Guys So my 2005 GTI 1.8 (manual) had the following error code. 17947-Clutch Pedal Switch-F36 Not a Plausible Signal P1539_ In my searches I've come up on two possible parts but am unsure which is the actual problem. Parts: #1J0-927-189-C and #1J0-927-189-F (new part #6Q0927189) Any...

Like the title says i'm wondering if anyone has installed the K&N 69 Typhoon Series CIA and has any advise, reviews, problems with installation, etc. http://www.carid.com/2004-volkswagen-golf-gti-air-intakes/kn-air-intakes-typhoon-series-324754.html