Originally Posted by rangerboy101
Not being a smartass but if you know all about it then you could do a little bit of explaining for us that dont know.
Because I don't know where to start. I've posted in threads like this so many times and nobody searches. I've pretty much limited myself to threads of interest to mods I'd do (Not exhaust because I like my truck quiet as a church-mouse)
There are some good facts here but alot of folklore.