Invidia catless font pipe with stock exhaust. Will it be too loud?
 

Exploring all options. Will it make stock exhaust loud or give it a deep throaty sound? Or no sound at all?? And any performance benefits?

Getting rid of the stock front pipe for a 2.5" catless will give better throttle response and maybe a couple HP. Sound-wise, a tad bit louder but mostly just more aggressive sounding, but still subtle compared to with a catback.

Source: ran Perrin test pipe on stock exhaust for 3 months

Nice. So it's not crazy loud like say an Evo3 or Invidia N1? What exhaust set up you have now?

I have an invidia catless front pipe paired up with their q300 cat back. Its pretty quiet while driving around, a bit louder at wot but not obnoxious.


Heres a quick clip [ame="https://www.youtube.com/watch?v=ZI4HElfnMGs"]2013 FRS exhaust - YouTube[/ame]

Not loud at all. Just slightly more noticeable than stock, especially at higher RPM's.

Now, I'm running a full exhaust and it's much louder, but I love it.

FT86SpeedFactory Catted UEL header
Perrin overpipe
Berk catted front pipe
Ark DT-S catback

Thanks for all the info...