Originally Posted by BlUEMDsrt6
MD has rear cats removed with left and right exhaust into a Y then 3" back to the stock muffler.
Okay when I looked at his mods on drag times it said something about cat illimination down pipe, on my diesel the cat illimination down pipe means no cats at all. I am Having Kooks Headers do the same on my car but I'm gonna run two 2.5 individual pipes back instead of going into a y.