Miata Turbo Forum - Boost cars, acquire cats.

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-   DIY Turbo Discussion (https://www.miataturbo.net/diy-turbo-discussion-14/)
-   -   Jesus christ my car is LOUD. (https://www.miataturbo.net/diy-turbo-discussion-14/jesus-christ-my-car-loud-11017/)

Savington 07-04-2007 04:47 AM

Jesus christ my car is LOUD.
 
How do I quiet down the turbo noise? Has anyone done anything like an intake silencer? My VTA BOV doesn't help, but that's an easy enough fix. Below 5000rpm the turbo noise overpowers the exhaust note.

juhanis 07-04-2007 04:55 AM

dude, lets drive man. i got my car to idle like buttah now. 13-14 afr's at idle. i've heard of people running foam over the intake... i dont know how well that works though. my spool is loud too, but, i just got used to it.

akaryrye 07-04-2007 06:33 AM

I would be down for a drive sometime too, ive gotten my car running pretty smooth as well. As for the turbo noise, i really like it, but I suppose a longer intake tube would help, or an intake box of some sort, maybe a modified miata box?

miatamania 07-04-2007 08:32 AM

thats the cool thing about being turbo...:)

jayc72 07-04-2007 10:26 AM

http://forum.miata.net/vb/showthread.php?t=235997

y8s 07-04-2007 11:12 AM

haha

get a bigger turbo inlet...
http://gallery.y8s.com/d/17058-2/DSC02751.JPG

Al Hounos 07-04-2007 11:43 AM

what the hell is wrong with you, you pansy?

jonnybravo 07-04-2007 12:31 PM

Dont worry man, I have no muffler, just pipe, and no intake pipe and I still hear more turbo spool then exhaust...

Savington 07-04-2007 12:44 PM

It would be so badass on the track, but it's just too loud for the street. I'll take some video so you guys can see what I mean. I can't hear my exhaust over the turbo.

miatamania 07-04-2007 12:45 PM

see if it is the same outside the car. if it is...that sick and you need a turn down to make you exhaust louder.

That might be the .net link on how to really make it quiet.

greenday3437 07-04-2007 12:48 PM

Must be nice.. i actually wish my turbo noise was louder

Savington 07-04-2007 01:28 PM


Originally Posted by miatamania (Post 128655)
see if it is the same outside the car. if it is...that sick and you need a turn down to make you exhaust louder.

:bigtu:

jayc72 07-04-2007 02:13 PM

Maybe your turbo is broke? And what you are hearing is actually the sound of busted.

shinobix 07-04-2007 02:19 PM

mine is loud as fuck too, because of the vented hood. but i like it = P

Savington 07-04-2007 03:43 PM


Originally Posted by jayc72 (Post 128678)
Maybe your turbo is broke? And what you are hearing is actually the sound of busted.

Not broke... ;)

Braineack 07-04-2007 04:48 PM


Originally Posted by Savington (Post 128654)
It would be so badass on the track, but it's just too loud for the street. I'll take some video so you guys can see what I mean. I can't hear my exhaust over the turbo.


It's better that way....exhausts are annoying.

mazda/nissan 07-05-2007 11:53 AM

i would say why buy an exhaust when the downpipe does it for you, but then i noticed that you live in cali and would be shot for having no CAT.... and whats up with them crushing young ricer's cars anyways?

Pitlab77 07-05-2007 01:19 PM


Originally Posted by Al Hounos (Post 128645)
what the hell is wrong with you, you pansy?

...

Savington 07-05-2007 02:43 PM

I'm getting used to it, although merging onto the highway without this insane FSHEW is practically impossible. :D

ak47bravo 07-05-2007 03:09 PM


Originally Posted by Savington (Post 128592)
How do I quiet down the turbo noise? Has anyone done anything like an intake silencer? My VTA BOV doesn't help, but that's an easy enough fix. Below 5000rpm the turbo noise overpowers the exhaust note.

Dude my car was exactly the same. I was running a test pipe to a 2.25 " midpipe to a small turndown and the combination of it all just made the turbo spool insanely loud. When I drove past you making 5+ lbs. of boost it would no joke hurt your ears. Everyone knew my car for the really loud turbo. It was ok for me cause inside the car the turbo wouldn't hurt your ears. For other cars though...haha. Then I had to get a cat so I could get my car inspected so I went ahead and got a High-flow cat, full 3" exhaust all the way back... no muffler or resonator. The spool is much quiter than what it was, but soon I will get a test pipe in again. I think that the noise wasn't just the turbo. I think that the air rushing through the intake might have combined with the whistle of the turbo to make just a super high pitched loud whistle.


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