GTI6BOY 29 Posted October 14, 2007 Hello, Trying to fit a k&n but there is one pipe that i have never seen before? It goes from underneath the passenger wheel arch in a pot Then goes in to the plastic elbow between the afm and tb It then goes into the underneath the tb The pipe supplied with the k&n only has 2 pipe holes which i have connected Share this post Link to post Share on other sites
cybernck 400 1 Cars Posted October 14, 2007 are you fitting it to a car that has got (or has had) a CAT? as that plastic canister is most probably "active coal", i think that's what it's called. Share this post Link to post Share on other sites
GTI6BOY 29 Posted October 14, 2007 my car does have a cat so what do i do with the pipe that went in to the elbow Share this post Link to post Share on other sites
