Quote:
Originally Posted by Jerain
European E92 335i here with catless downpipes, all the rest is stock. You can definitely smell that the main cats are gone, also when going WOT the car behind you WILL smell it.  |
Agreed. Catless DPs with secondary cats still stinks. Running E60 makes a big difference though. If, for some reason, I could not longer run any E and had to switch back to 93 octane, the stock DPs would likely get reinstalled.