[FR-S Matt]

Originally Posted by Brinks

I personally think this is a myth, But its up to interpretation. Everything that I have seen I has suggested that the 86's respond better across the board with a full 3".

http://blog.perrinperformance.com/3-...ults-and-tune/

More info on the topic http://www.ft86club.com/forums/showthread.php?t=21850

It's not a myth. I tried using the 3" exhaust with a JDL UEL. On top of being a raspy fartcan of a sound, the low end power suffered. You could definitely feel the stutter at very low RPM till it finally gets the flow going. Went away quick when I swapped over to an Invidia N1 setup and catted FP.

Stick to 2.5" for N/A. 3" for turbo. Hell, even 2.5" for S/C is fine unless your plan is 450 whp or above.