Quote:
Originally Posted by Spooler
Talked with Mark at Mazworx. He seems to think the FI exhaust manifolds are good for 500hp a side without too much of an issue. He has a set in his hands right now getting ready to port match them for someone else. He did suggest upgrading to tubular manifolds would be best.
The room to make it happen is limited. Phunk is the only one that has made it happen. I am not sure if he will ever make anymore again. I guess we shall see where I end up.
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This makes sense some GTR guys are using tubular manifolds with the same size turbos you have along with 3.5 inch down pipes.