Originally Posted by Dan Z Man

this is a beaten horse..that's what the catalytic converter is for, i did the mod at the utmost end of the exhaust, there is almost the same amount of crap coming out of it than if it was the stock way... and besides, for it to actually have an affect on you, you'd have to be in basically the same situation for anything to happen if the car was stock...you can basically sit right behind the exhaust and breath it in and nothing would really happen, it disperses through the air too much for anything too happen.. it's all about concentration, if you're in a closed area i.e. garage for a long time then yes obviously it'll be a problem..but same as the stock exhaust! it's not like i'm running open headers with a tube from the end of the header into my mouth