Manifold to Cat Gasket
 

I am going to swap my ART pipes for FI RHFC and looking for info on the 3 hole gasket between the cat and the manifold. Since the ART pipe uses the oem ring style gasket and the FI cats don't, I will need new 3 hole gaskets. I might put the ART pipes back on, so I don't want to use RTV.

Z1 has metal gasket for this purpose for $50 shipped.
http://www.z1motorsports.com/g37_370...600&page=popup

I also found 2.5" gasket from Vibrant that appear to be an decent option for under $20.
http://www.streettunedmotorsports.co...ust_gasket.jpg

Common sense says the Z1 gasket is the better choice, but will the Vibrant gasket get the job done? Anyone has experience with the Vibrant gasket. I assume this is a universal bolt pattern.

Vibrant ones are the wrong dimensions. The Z1 gaskets are what I use and they have been the only ones that don't leak eventually

I ordered with the Z1 metal gaskets

Berk also makes a set but I've heard recently that they are backordered.

Berk Tech 3 Bolt Downpipe Header Cat Pipe Gaskets HR VHR

I used to run the Berk gaskets. Driver side began to leak after about 7k miles. Z1 gaskets are where its at :tup: