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View Full Version : Will a turbo ep3 be loud?



pdubski
02-12-2012, 05:36 PM
Hey guys,

This might be a silly question... but shouldn't a turbo ep3, with an exhaust, be as quiet or even quieter than stock? since the exhaust gases are being reused, right?

mitchlikesbikes
02-12-2012, 06:25 PM
Hey guys,

This might be a silly question... but shouldn't a turbo ep3, with an exhaust, be as quiet or even quieter than stock? since the exhaust gases are being reused, right?

it's really relative to the exhuast, but a naturally aspirated engine with ***** exhaust WILL be louder than a turbo engine with ***** exhaust.

Blah1219
02-12-2012, 07:04 PM
A turbo is like a silencer. You have the wastegate relieving the turbo by letting out exhaust fumes. Something like that.

gtolio
02-13-2012, 11:35 AM
A turbo is like a silencer. You have the wastegate relieving the turbo by letting out exhaust fumes. Something like that.

This. It will be quieter than the exact same setup N/A.

d0rad0EP3
02-13-2012, 12:28 PM
A turbo is like a silencer. You have the wastegate relieving the turbo by letting out exhaust fumes. Something like that.

it all depends on the engine cuz the subaru H4 Flat Four engine its pretty loud turbo or non-turbo...

Ba82Ep3
02-13-2012, 12:42 PM
Can you hear it if a bear dumps in the woods...?

AKEP
02-13-2012, 05:53 PM
Can you hear the tree fall if no one is around to hear it...?

Ba82Ep3
02-13-2012, 06:52 PM
lol

TTownEP
02-14-2012, 11:58 AM
If a tree falls on a woman in the forest, what was the forest doing in the kitchen?

Ba82Ep3
02-14-2012, 12:08 PM
:lol:

RHCP0801
02-14-2012, 12:13 PM
If a tree falls on a woman in the forest, what was the forest doing in the kitchen?


:pound:

RHCP0801
02-14-2012, 12:13 PM
If a tree falls on a woman in the forest, what was the forest doing in the kitchen?


:pound:

but yea it depends on the exhaust, my NA motor with straight 3" exhaust is far louder than a lot of turbo cars

Ba82Ep3
02-14-2012, 12:33 PM
Why is there a twig on my steak? WTF? Is this moss in my salad? Biiiissshhhhhh you betta tighten UP!!

sleepy ep3
02-14-2012, 09:10 PM
There is a place called YouTube for questions like this.







Just sayin

j0000stin
02-14-2012, 09:26 PM
an a3 with a race header and full 2.5 in. exhaust is louder than a boosted a3 with a 3in exhaust.

from personal experience.

also, depends if your running open dump tube as well

pdubski
03-10-2012, 03:25 PM
thanks for all of the input gents!

ginger
03-22-2012, 11:51 AM
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...

EP3Lov3
03-29-2012, 12:26 PM
i think i saw a video of an ep with open downpipe from the turbo, sounded like a mini cooper a little

USAF EP3
03-29-2012, 03:14 PM
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.

sleepy ep3
03-29-2012, 05:42 PM
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 *

mitchlikesbikes
03-29-2012, 06:10 PM
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 *

this guy:mrolleyes:

:gheyf:

sleepy ep3
03-29-2012, 08:28 PM
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.

gtolio
03-30-2012, 08:16 AM
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.

Ford Five Hundred headlights look surprisingly like an EP3 at night.

http://img43.imageshack.us/img43/303/2007fordfivehundredselp.jpg

pdubski
03-30-2012, 05:14 PM
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 *

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.

pdubski
03-30-2012, 05:15 PM
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.

Great info. Thanks!

jwdep3
03-30-2012, 06:54 PM
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

nightbear
01-28-2013, 12:35 PM
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.

With turbo, it will be much quieter than your current setup. I remember when I took my turbo out and left the exhaust on, it was horribly loud (and slow). I see this thread is super old but thought I would tell you my input anyhow