[YELO-ZX3]

i have FS 4-1 race header, stock flex pipe and Borla exhaust..
and i'm going to get a flex pipe.. should i go for 2.25" or 2.5" ??
(i will be staying n/a btw)

 

[Trey]

2.25"

look sometime into a 2.25" exhaust.

 

[KicknZX3]

why look into a 2.25?...why not the 2.5" flex?.. i say the 2.5" flex. if u have some decent mods

 

[MichaelXi]

Unless you're going Forced Induction, go 2.25".