cat problems

TheTransporter64 · Post by **TheTransporter64** » Thu Sep 11, 2008 10:55 am

So its time for inspection again and a few months ago the flex joint on my cat decided to self destruct and come apart. In light of this I recently ordered a new cat which was supposed to be direct fit to my r/t. Once I got the new cat, took it to the muffler shop and about an hour later they called me telling me that it wont fit because my stock cat has 2 O2 holes in it and the "direct fit" one only had one downstream hole. The best part of all is that their isn't even enough space between the flex joint and the cat to put another sensor hole in it. So if anyone could shed some light on to my problem it would be greatly appreciated. All I need is a new cat it doesn't have to be anything fancy just something that is either stock or slightly better. It just needs to have an upstream and downstream hole for the sensors or enough space to put one in.

excon · Post by **excon** » Thu Sep 11, 2008 11:15 am

there isn't space to drill?

That would be my first suggestion. If you have a place for the 02 downstream sensor, you just need to find a place to drill for the upstream sensor.

cbjones26 · Post by **cbjones26** » Thu Sep 11, 2008 1:28 pm

lol.. that will still work.. tell them to instal the cat an put the o2 in the new cat.. my car has an 02 in the header( which is also a cat converter) and stock has one after that but before the other converter. ) i ordered a direct fit cat from advance auto an its behind the converter.. an it works.. !! it will work the same..!

excon · Post by **excon** » Thu Sep 11, 2008 1:48 pm

yeah, my upstream O2 sensor is in my pacesetter header.

cbjones26 · Post by **cbjones26** » Thu Sep 11, 2008 2:13 pm

my header has a cat converter build into it! my 00 special edition plymouth has 2 converters on it!>. lol its special!!..lol

TheTransporter64 · Post by **TheTransporter64** » Thu Sep 11, 2008 3:31 pm

The more i deal with my car. The more I see how 'special' dcx made these cars... I really cant understand why their are so many different kinds of cats for them but there are. My problem is that i need an up stream sensor since my manifold doesn't have one on it.

Wenuden · Post by **Wenuden** » Thu Sep 11, 2008 3:47 pm

so get a bung welded into your manifold for the upstream. $20 and your problem is solved. Any exhaust shop can do it. You might have to extend the harness on the o2 sensor, $2 in wire, butt connectors and heat shrink, and it's easy to do yourself.