J JReichle1 Member : 1999 Protege Sport 20 Sep 3, 2012 #1 I am selling a 2.5 inch AEM Air Bypass Valve brand new in original box with instructions (part #20-401S). I got this for my Cosmo CAI but never installed it. These sell for $55+ from summit racing of JEGS and $40+ on Ebay. SOLD Last edited: Sep 20, 2012
I am selling a 2.5 inch AEM Air Bypass Valve brand new in original box with instructions (part #20-401S). I got this for my Cosmo CAI but never installed it. These sell for $55+ from summit racing of JEGS and $40+ on Ebay. SOLD
J JReichle1 Member : 1999 Protege Sport 20 Sep 8, 2012 #3 It is to keep your Cold Air intake from sucking up water and hydro-locking the engine...
