Yeah the low boost fuelimg.....is basically a smoke tune when turned all the way up.....

What did hs just get hammered with again.....had heard rumors...but haven't had time Ti read up....

I'm an 11 duramax....deleted....4" all the way....nothing in the way from turbo back....actually have three compressors.....one for air bags and a twin viar set up for my leslie rsk3 train hons and back air quick connect...