Originally Posted by jwick

I had the same argument with my fabricator when I went from my Stillen exhaust to my FI exhaust. He had to custom fabricate the connection between FI’s mid-pipe and the turbo 3” DP (single turbo). He kept wanting to neck the 3” down to a single 2.5” pipe and then branch back out to mate to the mid-pipe. Took me awhile to explain to him that he was fabricating a restriction into the system. Finally got him to custom fabricate a 3”to2.5” Y, one 3” inlet and two 2.5” outlets.

Originally Posted by F.I. Inc.

Yes, they are Tony approved! Frank, when I get around to it, I may put your pipes into production. We will call them, "The FP" option.
-Tony