Install looks great considering you have to stick that other pipe from the side for emissions, i would unplug your battery for 10 minutes so your pcm can re read everything if its being that picky and threw a engine light.
My cold air setup, gotta love impala'ss for being able to stick the filter under the headlight and into the bumper.
Easy mods: flip your front motor mounts
get hv3 insert from http://shop.zzperformance.com/store/...ke-Insert.aspx
get a tuned pcm from http://www.getoverkilled.ca/
install them at the same time cause hv3 isnt much good without a tune.