I changed the intake on my car...and the1/2" copper pipe cap doesnt fit into new hose....and home depot doesnt have 1/4". I found some plastic cap in my garage that fits. Is plastic ok??


98 Contour SE Sport - Pioneer Premier DEH-740P HU - 12" Rockford Fosgate Punch HX2 Sub - JBL BP600.1 Amp - Pioneer TS-A6867 6"x8"s - Full SVT Kit, GCs, Konis, 17" Enkei Rs-5s, CTA Dual Exhaust...