I'm making ~492 AWHP now on my ancient 50 Trim turbo. After I put the 100 cell cat on, I will have to get retuned and hope I can make the same amount of power...even if we have to crank the boost up a bit... is it possible?

 

my 2001 audi TT uses a twin cat-downpipe but way too small, got a 3" setup not installed yet with a cheap HF 200 cell cat, a universal 100 cell prolly be good for me, you cant beat a good KITTY!!!!

 

How long do the 100 cell cat's last? My evo exhaust smells just like my other car with no cat all the time. Cat has ~60k. I wonder if there is anything left in there?

 

Do you have a 100 cell?

 

Erik, I know you drive a lot, how many miles have you put on the cat?

 

I had the pre-production MIL.SPEC piece on for about 4 years. Eventually I could tell the PGM coatings were getting low, so I swapped it out. I probably put at least 100,000 miles on the original. Cat core looked great, I just wanted to put a new one on there.

However, even when the PGM coatings were low, it smelled nothing like a test pipe. I could just tell the exhaust wasn't being cleaned like it was when the cat was new. I probably have 20,000 miles on the new one and it's working like a champ. These cats should last at least until 50,000 miles. The PGM coatings are of high quality.

 

I have a mil.spec 100 cell cat. Probably 60k on it. Doesn't seem like all that much on a cat. Maybe it is?