Originally Posted by Master Yodub
I've already measured the length of the stock cat. I had problems in that regard too, lots of misinformation on cat lengths between manufacturers/retailers...so I took it into my own hands. I'll check out the other Mike.
What did your oem cat measure at? I'd like to know if there's a size difference between the coupe and sedan. I'm thinking the difference in size is at the B-pipe. The cat length off my 2000 LS sedan was 18'.
I'm guessing your cat length is about 17.5'.