sevanseriesta

iTrader: (34)

I have hears some cars that you would not really even know that they have a turbo, and then I have heard some that sound like a 747.

So my question is do certain brand whistle more then others?

Phil99vette

iTrader: (11)

ETTs do

sevanseriesta

iTrader: (34)

ETT's ?????

Frank02L

iTrader: (1)

I think it also depends on the size of the turbo, size of the exhaust, etc.

Fireball

iTrader: (21)

extended tip wheels....I know my FI98x sounds like a damn 747 taking off

BigRich954RR

iTrader: (1)

Which turbos come with ETT wheels and what do they do ?

hellbents10

iTrader: (10)

Can also have to do with how big of an air filter, or no air filter. Dumping the gate to atmosphere or back in the down pipe........

1320

iTrader: (6)

I think it has most to do with exhuast design. I ve done some diliberately to get more sound. The trade off is performance though. The whistle is from the turbines twisting of the exhuast flow. The rotation is not good for exhuast flow but sounds cool. There are several ways to break the twist though and get better flow, which results in less sound.

crashly

borg warner
the latest comp wheel design

veee8

iTrader: (40)

The only time I hear mine is when the BOV pops off. I have asked people out side the car, and it makes a rush sound, but a distinct jet whistle. 5" open DP. with about 18" of WG dump to atmosphere 60mm TiAL on a GT47-88

98Z28CobraKiller

iTrader: (17)

As long as I am not in boost, my pt88 is in complete stealth mode. Once you start building boost my wastegate starts making the jet sound (which I happen to like very much).

dreamls1

iTrader: (25)

My TC76 sounds crazy! Have not got it in much boost but sounds mean! 3" downpipe 44mm Wg

MaxxMitchell

iTrader: (15)

On a buddies set up we tried 3 different turbos, all with the same wastegate to atmosphere, 3" exhaust with a dynomax max flow and bullet before it, spectra short filter
Loudest - T76 w/ .96 A/R - aka the screamer lol.
Mid - T76GTS w/ .96 A/R
Stealth - TC76 w/ .96 A/R

My TC78 is very quite, 30-40% throttle, and inside the car sounds like radio interference, outside you just hear air moving and the exhaust tone. WOT you hear the wastegate (open to atmosphere) and some more loud rushing air sounds.

TXZ0603

iTrader: (1)

I can hear my twin 70mm turbos and 50mm BOV over the open downpipes right now. Cant imagine what they will sound like when I button up the exhaust this weekend.

Wastegates are routed into the exhaust, no filters just screens

sevanseriesta

iTrader: (34)

I agree that my twin 76's were crazy loud and I never got into boost with them...

What do the masterpowers sound like... Anyone know.

bud8fan

iTrader: (9)

mpt70 on a 5.3 is loud..you can hear it whistling at idle and my mpt76 on 6.0 is medium

Super Slow SS

iTrader: (9)

Mounting location will make a huge difference to, I know that a turbo under the hood is much quieter than a rear mount. My rear sounds like a big banks diesel truck when it spools up. Everyone for 3 blocks hears it coming.

Schantin

iTrader: (6)

I can tell ya a STS setup is loud as hell. Sounded like I had a turbine engine in the trunk when it was installed.

ddnspider

iTrader: (26)

You cant really hear the turbo on my car either,just sounds angry,lol.

Taubr Unit

iTrader: (32)

wonder what my s88/6.0 with open 4'' DP that is 36''s long is gonna sound like... hummmmm