my turbo is way louder than my n/a k20a2 was even with the open headers... but i run 3" straight and an atmosopheric dump...
thanks for all of the input gents!
Last edited by Unknownally; 03-16-2009 at 02:07 PM.
my turbo is way louder than my n/a k20a2 was even with the open headers... but i run 3" straight and an atmosopheric dump...
i think i saw a video of an ep with open downpipe from the turbo, sounded like a mini cooper a little
You need to look into how many bends and resonators and the quality of the metal being used with the exhaust.
Mild steel when compared to stainless steel exhaust have a more "tingy-ness" sound to them because the different metals resonate at different frequencies as the exhaust gasses pass through the pipes and heat the pipes up.
There's a TON of information and variables when it comes to exhaust sound. I did some reading awhile back on how higher end companies such as Porche, Mercedes, Ferrari, etc put a lot of R&D into their pipes to make them sound a specific way.
Performance on the other hand is literally how straight and unrestrictive you can make the gasses escape..this is why you really are paying for the sound when it comes down to the price of exhaust piping.
If you have to ask, and are worried about it, you probably shouldn't go turbo. You should go stock Prius. I hear (pun intended) they are very quiet. The horrible truth is......... 90% of people wouldn't be able to tell its not an ep3.
* chuckle *
It's the truth. Tell me you haven't looked in the rear view, got all excited and it ended up being a Prius, or a Focus hatch. I know what the the fuck I'm talking about. Guys that own ep3's know what they are. No one else does, lol. Mods, sorry for cursing. It's the only way I know how to communicate.
Honestly, I am worried about it, and given the information that has been posted in this thread I'd like to know why you feel I shouldn't go turbo? My car had DC racing headers on it and a 3inch exhaust before and I hated how loud it was. Given the info in this thread, if I do a 2.5" exhaust setup with a good dumptube I should be much quieter than that setup.
The ep is my daily driver and I'm a young guy. I don't want to be looked at like a 16 year old ricer, even if my car would be capable of smoking 80% of cars on the road.
if you want to be quiet, get something like the greddy se. i have that installed with the revhard kit and a test pipe. exhaust is very quiet until you floor it and hit boost, then all you hear is the external dump
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