Originally Posted by XwChriswX

For numbers up to ~500whp, the 2.5" piping for the F.I. CBE will suffice. It's just for those looking for moar powah that would benefit from 3" piping. Which Tony is happy to build so he can get rid of some of that 3" piping stock he has.

But when it comes to TT builds, I'm being patient because a little birdy told me that a certain shop was looking into producing their own TT kit...