Crankcase breather catch cans

coloradohill said
( No. I mean they are so restrictive)

Ok, I have TTI 1 7/8 full w2 headers and their x pipe 3 inch exhaust with the Dynomax mufflers.
I’m hoping they aren’t restrictive!

I seriously doubt that muffler would give you any issues.

That should be a very good muffler.