another downpipe thread.......
The O2 sensor will be on the cat-back just downstream of the cat.. So you only need one bung for your wideband. You will most likely still need an O2 eliminator/CEL fix. It is the removal of the Cat from the system that will cause the CEL problems.
Yeah IMO, if you are going to always run catless, buying a catless downpipe is the best way to go. One less chance for a leak and easier on the wallet. Like someone else posted, I also bought my downpipe to retain the stock cat. I will be swapping it out with a test pipe for a while. I highly doubt a neckdown in the piping robs you any noticeable power so I wouldn't be worried about that. The whole neckdown thing is over rated. The highest power making catback on the market necks down to 2.5 at the cat. Yes it even made more power than the Buschur.
Intstalled it just barley. It has less than 1mm space between the ACD and downpipe, other than that the fitment is fine. ( i should note that i do not have a catback exhaust installed yet. this may straighten it out enough for better clearance on the '05 model) Both tie bars fit with room to spare. It is a full 3" that does not taper. No 02 bung, but that was already known.
Originally Posted by chase2000gt
Intstalled it just barley. It has less than 1mm space between the ACD and downpipe, other than that the fitment is fine. ( i should note that i do not have a catback exhaust installed yet. this may straighten it out enough for better clearance on the '05 model) Both tie bars fit with room to spare. It is a full 3" that does not taper. No 02 bung, but that was already known.
Originally Posted by althemean
whatever...mistake?? you idiot. I made the choice to buy it to use with the stock cat to stay street legal. I see what you write in other threads. After I write saying you are giving this guy crap you get all nice. Dont act all high and mighty with me anymore pal.
Originally Posted by Warrtalon
The writeups didn't show gains from adding a DP to a system that already has a cat-back and retains the stock cat. You have to remember the scenario when quoting "gains." Buschur did this exact thing and showed negligible gains when adding the DP on the stock cat...
