has anyone made there own

[GRsilverado]

thanks for all the help guys im gunna go buy the supplies and attempt to make it. one question just to be safe will this affect anything to do with smog. sorry to worry about it but cali makes you worry about smog for anything u do to your truck

[bangbangskeetskeet]

thanks for all the help guys im gunna go buy the supplies and attempt to make it. one question just to be safe will this affect anything to do with smog. sorry to worry about it but cali makes you worry about smog for anything u do to your truck

Shouldnt cause any trouble. Just slap a K&N sticker on it and if they ask tell em its SMOG legal from K&N.