STD Tuning Engine 3" Straight Pipe TOOO Loud

3" Straight Pipe TOOO Loud

3" Straight Pipe TOOO Loud

 
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snowbrd84
Naturally-aspirated

23
04-14-2014, 10:58 AM #1
I just installed a 3" straight pipe, from the turbo outlet down and out the side, just in front of the rear tire, on my 89" Wrangler with an OM617.951. It is way too loud, I park in a parking garage at work, and it is obnoxious... What would be the best way to quiet it down without restricting flow? Cant really afford to spend a whole lot more either...
snowbrd84
04-14-2014, 10:58 AM #1

I just installed a 3" straight pipe, from the turbo outlet down and out the side, just in front of the rear tire, on my 89" Wrangler with an OM617.951. It is way too loud, I park in a parking garage at work, and it is obnoxious... What would be the best way to quiet it down without restricting flow? Cant really afford to spend a whole lot more either...

Greazzer
Superturbo

1,277
04-14-2014, 12:37 PM #2
Try just a resonator in the middle.

Ninth Year Anniversary with STD on 1-9-2020

visit:  www.dieselfuelinjector.guru

Project 2018: Really get the car finished -- Turbo OM617 greater than 175 MPH goal.

RED W123 - left Germany as 240D in 1982.  Full AMG body kit less rear apron, 2:65LSD, five speed Getrag 717.400, manual steering, read leather interior, manual brake conversion, electric water pump (EWP), and a bunch of other goodies ...
Greazzer
04-14-2014, 12:37 PM #2

Try just a resonator in the middle.


Ninth Year Anniversary with STD on 1-9-2020

visit:  www.dieselfuelinjector.guru

Project 2018: Really get the car finished -- Turbo OM617 greater than 175 MPH goal.

RED W123 - left Germany as 240D in 1982.  Full AMG body kit less rear apron, 2:65LSD, five speed Getrag 717.400, manual steering, read leather interior, manual brake conversion, electric water pump (EWP), and a bunch of other goodies ...

EmJay
Holset

299
04-14-2014, 12:54 PM #3
Try adding a turbo, that'll give you a less obnoxious sound. Lol. Or you can do Greazzer's resonator idea.

1987 Mazda B2200 "outlaw" **planning phase**  Chevy 283, Power Pack heads, Edelbrock carb and intake, turbo 350 trans Smile
1985 Mercedes 300D stock for now
EmJay
04-14-2014, 12:54 PM #3

Try adding a turbo, that'll give you a less obnoxious sound. Lol. Or you can do Greazzer's resonator idea.


1987 Mazda B2200 "outlaw" **planning phase**  Chevy 283, Power Pack heads, Edelbrock carb and intake, turbo 350 trans Smile
1985 Mercedes 300D stock for now

MFSuper90
Budget Builder

1,533
04-14-2014, 01:00 PM #4
Turbo! More powwwa! Just don't crank the boost way up, and I'd say it'll last a long time

But wait in second thought, isn't a .951 turbo'd?
This post was last modified: 04-14-2014, 01:01 PM by MFSuper90.

'82 300D -3" straight pipe, ALDA deleted, 3in1 glowshift gauge, HX30, egr-less manifold, A/W intercooler Big Grin
'14 Ram 6.7l cummins -G56 handshaker, wishing it was deleted         
MFSuper90
04-14-2014, 01:00 PM #4

Turbo! More powwwa! Just don't crank the boost way up, and I'd say it'll last a long time

But wait in second thought, isn't a .951 turbo'd?


'82 300D -3" straight pipe, ALDA deleted, 3in1 glowshift gauge, HX30, egr-less manifold, A/W intercooler Big Grin
'14 Ram 6.7l cummins -G56 handshaker, wishing it was deleted         

swampmonkey
hx40 super

280
04-14-2014, 01:24 PM #5
it says "straight from teh turbo outlet, so i presume he already has one there Tongue

route the exhaust backwards? or add a single muffler that is somewhat open?

---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com
swampmonkey
04-14-2014, 01:24 PM #5

it says "straight from teh turbo outlet, so i presume he already has one there Tongue

route the exhaust backwards? or add a single muffler that is somewhat open?


---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com

MFSuper90
Budget Builder

1,533
04-14-2014, 02:02 PM #6
That's My own fault for not thoroughly reading his post. But I have my 3" coming straight out the back of my car, and it's not very loud I don't think.
A glass pack or a resonator won't restrict flow and will quiet it down

'82 300D -3" straight pipe, ALDA deleted, 3in1 glowshift gauge, HX30, egr-less manifold, A/W intercooler Big Grin
'14 Ram 6.7l cummins -G56 handshaker, wishing it was deleted         
MFSuper90
04-14-2014, 02:02 PM #6

That's My own fault for not thoroughly reading his post. But I have my 3" coming straight out the back of my car, and it's not very loud I don't think.
A glass pack or a resonator won't restrict flow and will quiet it down


'82 300D -3" straight pipe, ALDA deleted, 3in1 glowshift gauge, HX30, egr-less manifold, A/W intercooler Big Grin
'14 Ram 6.7l cummins -G56 handshaker, wishing it was deleted         

swampmonkey
hx40 super

280
04-14-2014, 02:16 PM #7
noproblem,
with stock turbo+exhaust i would not think the stock exhaust limits your power anything worth mentioning, get something 3" size stocklooking and it will probably silence it down enough without affecting performance.

---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com
swampmonkey
04-14-2014, 02:16 PM #7

noproblem,
with stock turbo+exhaust i would not think the stock exhaust limits your power anything worth mentioning, get something 3" size stocklooking and it will probably silence it down enough without affecting performance.


---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com

snowbrd84
Naturally-aspirated

23
04-14-2014, 02:29 PM #8
I just ordered a 3" bullet style resonator/muffler. We will see how that works out, it sounds great, but it gets old real quick with how loud it is...
snowbrd84
04-14-2014, 02:29 PM #8

I just ordered a 3" bullet style resonator/muffler. We will see how that works out, it sounds great, but it gets old real quick with how loud it is...

swampmonkey
hx40 super

280
04-14-2014, 03:02 PM #9
(04-14-2014, 02:29 PM)snowbrd84 I just ordered a 3" bullet style resonator/muffler. We will see how that works out, it sounds great, but it gets old real quick with how loud it is...

the same here with my 2.5" straight exhaust on my om602.... planing on getting a muffler on there... Tongue

---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com
swampmonkey
04-14-2014, 03:02 PM #9

(04-14-2014, 02:29 PM)snowbrd84 I just ordered a 3" bullet style resonator/muffler. We will see how that works out, it sounds great, but it gets old real quick with how loud it is...

the same here with my 2.5" straight exhaust on my om602.... planing on getting a muffler on there... Tongue


---------------------------------
daily driver
w115 240d 72hp 3.07 rearend
w123 om602 turbo 200whp 7.5mm pump fivespeed 3.07 rearend
+ a few more.
mbturbo.com

yota4life
K26-2

40
04-15-2014, 11:11 AM #10
Can we hear it before the muffler?
yota4life
04-15-2014, 11:11 AM #10

Can we hear it before the muffler?

Volker407
naturally aspirated

157
04-16-2014, 12:09 PM #11
(04-15-2014, 11:11 AM)yota4life Can we hear it before the muffler?

Yeah! Make a Video with good sound quality Big Grin

Gruß
Volker
Volker407
04-16-2014, 12:09 PM #11

(04-15-2014, 11:11 AM)yota4life Can we hear it before the muffler?

Yeah! Make a Video with good sound quality Big Grin

Gruß
Volker

EmJay
Holset

299
04-16-2014, 01:42 PM #12
Whoops I missed that lol

1987 Mazda B2200 "outlaw" **planning phase**  Chevy 283, Power Pack heads, Edelbrock carb and intake, turbo 350 trans Smile
1985 Mercedes 300D stock for now
EmJay
04-16-2014, 01:42 PM #12

Whoops I missed that lol


1987 Mazda B2200 "outlaw" **planning phase**  Chevy 283, Power Pack heads, Edelbrock carb and intake, turbo 350 trans Smile
1985 Mercedes 300D stock for now

snowbrd84
Naturally-aspirated

23
04-17-2014, 03:27 PM #13
haha put the muffler on yesterday and it is much quieter, sorry, did not make a video first. But just listen to an old big rig truck and thats about what it sounded like. I towed my 18' boat about 50 miles on sunday and it was pretty funny...
snowbrd84
04-17-2014, 03:27 PM #13

haha put the muffler on yesterday and it is much quieter, sorry, did not make a video first. But just listen to an old big rig truck and thats about what it sounded like. I towed my 18' boat about 50 miles on sunday and it was pretty funny...

 
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