Originally Posted by KMPrenger
I really don't think I'd go with bigger than stock pipes to replace the cats, and instead go with the stock size. I can't say forsure, but I'm guessing it is the same size as the beginning of the catback...which is 2.5"
I don't see how you couldn't get gains from removing the cats, or at least adding HFCs. Its been proven on the LLT.
Yeah ima go 2.5 all the way down eventualy . rite now cat delete , later cat-back. i oredered a trifecta tune so hopefully with tune and all ill see some noticable gains