Biggest gains
 

Hey guys,

Be it a stainless steel or titanium set-up, does anyone know what catback exhaust puts out the biggest KW gains?

:burnrubber:

Catback exhaust will give you probably 2 ~ 4kw gains, you probably get more out of headers.
The factory system is designed well for NA application, if going FI then you probably see more than 5kw gains

Full titanium exhaust :eyebulge:

i dont even want to think about how expensive that would be..

No, a titanium exhaust won't give any more power gains than the same exhaust in steel just BECAUSE TITANIUM.
It will, however, give the same gains as an equivalent steel exhaust PLUS it will give a weight saving if designed/manufactured well.

And I would assume a different sound as well?

Yeah, titanium will sound different. Didn't mention this because it wasn't mentioned early.
Some people would like the titanium sound, some wouldn't. If you like deep exahaust notes, steer away