Quote Originally Posted by Bob_n_Cincy View Post
The 92-93b at NCM was with an OEM up-pipe cat and OEM downpipe cat from our 04FXT donor.
A couple of weeks ago, we tested with a Cobb catless up pipe. I definitely was louder, but we didn't measure at the track.
With our recent engine swap, we are back to OEM set up.
Bob
Bob, ditch the up pipe cat asap. When the up pipe cat starts to disintegrate it will take out your turbo. It happens a lot.