Originally Posted by brucelidat

For those concerned about smell and being too loud, I talked to Tony today and am considering an option that he has which would involve welding 100 cell HFCs into the exhaust so you can run LTHs + cats t keep the noise a bit lower and get rid of the fuel smell. He says you lose almost nothing, like maybe 1-2 hp by adding the cats. This seems like a pretty good option for maxing out NA builds without the TP odor if anyone is interested in that. I am seriously thinking about it and will post a review if I do it.