Thinking about doing the precat delete and J-pipe but still want a reasonably quiet car. However, no point in spending the $$$ on the parts if the stock cat back will choke off any gains. Anyone else try this?
All that restriction in the precats for the 90 seconds or so it takes the main cat to heat up enough to properly cleanse the exhaust.The only thing that mostly "chokes" your exhaust is those Cats. They are restrictive as hell.