Generation III External Engine LS1 | LS6 | Bolt-Ons | Intakes | Exhaust | Ignition | Accessories
Sponsored by:
Sponsored by:

I need a VERY QUIET MUFFLER!

Thread Tools
 
Search this Thread
 
Old Dec 12, 2003 | 10:32 AM
  #1  
yyz28's Avatar
Thread Starter
11 Second Club
iTrader: (3)
 
Joined: Nov 2001
Posts: 122
Likes: 0
From: Dallas, Texas USA
Thumbs up I need a VERY QUIET MUFFLER!

I'm looking to replace the stock muffler, but when the cutout is capped, I want QUIET. Does anyone know of a muffler that's even quieter than stock, or a good LIKE STOCK replacement? Thanks!
Reply
Old Dec 12, 2003 | 10:53 AM
  #2  
Redlinez's Avatar
TECH Addict
iTrader: (5)
 
Joined: Jan 2003
Posts: 2,298
Likes: 0
From: Fuquay-Varina, NC
Default

A hooker catback is very quiet, so I believe the muffler has got to be quiet.
Reply
Old Dec 12, 2003 | 10:54 AM
  #3  
Z O SICK's Avatar
TECH Regular
iTrader: (1)
 
Joined: Jan 2002
Posts: 445
Likes: 0
From: S.V. AZ
Default

I would just go to an exhaust shop and and see what they say.
Reply
Old Dec 12, 2003 | 11:14 AM
  #4  
BAD ASS TA WS6's Avatar
BMW ///M Nerd
iTrader: (5)
 
Joined: May 2002
Posts: 4,112
Likes: 1
From: NH
Default

A hooker CB is definately not quiet! No where close to stock, the aero chamber muffler flows really well, and has a raw sound too it. If your looking for a "stock" type replacemenet. Go get an edelbrock muffler, the are constructed real strong, but tend to be very quiet. Their catback run cheap too, so you could even go that route, I think they are around $275.
Reply
Old Dec 12, 2003 | 11:27 AM
  #5  
SouthFL.02.SS's Avatar
!LS1 11 Second Club
 
Joined: Apr 2003
Posts: 7,133
Likes: 2
From: Miami
Default

Check out the SLP Dual/Dual muffler. I think there's one on ebay right now.

Last edited by SouthFL.02.SS; Dec 12, 2003 at 01:44 PM.
Reply
Old Dec 12, 2003 | 12:59 PM
  #6  
WILWAXU's Avatar
TECH Senior Member
20 Year Member
iTrader: (6)
 
Joined: Nov 2001
Posts: 14,378
Likes: 1
From: League City, TX
Default

SLP Dual Dual catback is only slightly louder(deeper) than the stock Z28 and quiter than a stock SS/WS6 exhaust.
Reply
Old Dec 12, 2003 | 01:04 PM
  #7  
Joe "Preachers Sheets" DIESO's Avatar
Humanitarian
iTrader: (4)
 
Joined: Mar 2002
Posts: 6,466
Likes: 3
From: N/A
Default

Why not just bolt on a used (dirt cheap) stock SS exhaust then have a cutout to allow the flow when needed.
Reply
Old Dec 12, 2003 | 03:55 PM
  #8  
Dope's Avatar
TECH Fanatic
iTrader: (2)
 
Joined: Dec 2001
Posts: 1,648
Likes: 3
From: Wilmington, MA
Default

When I had the same setup (electric cutout and quiet muffler) I used a dynomax ultraflow. They flow well and was barely louder than stock, even with longtubes.

Dope
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-1

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-2

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-3

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-4

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-5

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-6

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
story-7

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-8

10 Camaros You Should Never Buy

 
story-9

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
Old Dec 12, 2003 | 05:46 PM
  #9  
rodent's Avatar
TECH Enthusiast
iTrader: (1)
 
Joined: Apr 2002
Posts: 612
Likes: 0
From: Highlands Ranch, CO
Default

Dynomax ultraflow is a straight through design. They were WAY too loud on my 496 BBC so I went with the longest Magnaflow I could find and that helped ALOT. For a super quiet muffler, I'd just go with something close to OEM and as suggested above, go to Midas or somewhere similar. You'll lose hp but I doubt you care since you got cut outs.
Reply
Old Dec 12, 2003 | 06:25 PM
  #10  
Ryan02SS's Avatar
TECH Fanatic
iTrader: (3)
 
Joined: May 2003
Posts: 1,795
Likes: 0
From: Lake Anna, VA/ Fairmont, WV
Default

Get a SLP Dual Dual muffler and you will love it as it is everything you describe that you're looking for. At idle with my setup it provides a deep throaty burble. Cruising it provides a deep throaty note and at WOT it really opens up and screams.
Reply
Old Dec 12, 2003 | 06:30 PM
  #11  
WS6FirebirdTA00's Avatar
TECH Senior Member
20 Year Member
iTrader: (33)
 
Joined: Mar 2003
Posts: 8,319
Likes: 1
From: North Carolina
Default

just curious why do u want it quiet? just so u dont have to deal with noise in every day driving?
Reply
Old Dec 12, 2003 | 09:03 PM
  #12  
99 Black Bird T/A's Avatar
TECH Senior Member
20 Year Member
Liked
Loved
Community Favorite
iTrader: (4)
 
Joined: Nov 2001
Posts: 8,637
Likes: 1,499
Default

Originally Posted by Ryan02SS
Get a SLP Dual Dual muffler and you will love it as it is everything you describe that you're looking for. At idle with my setup it provides a deep throaty burble. Cruising it provides a deep throaty note and at WOT it really opens up and screams.
What's exactly why I got an SLP dual/dual for my T/A and would like to get one for the RS. It's quiet my heads and cam T/A with no cats and SLP Dual/Dual is quieter at idle than my wifes 02 Z28 with a loud catback. We've compared them side by side.
Reply
Old Dec 12, 2003 | 10:43 PM
  #13  
ULTIMATEORANGESS's Avatar
TECH Senior Member
20 Year Member
iTrader: (4)
 
Joined: Mar 2003
Posts: 10,985
Likes: 23
From: eatontown,nj
Default

still running on stock dual dual.if theres anything out there quieter for ls1s ive never heard it.
Reply
Old Dec 12, 2003 | 11:14 PM
  #14  
Damian's Avatar
LSX Mechanic
20 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (89)
 
Joined: Nov 2001
Posts: 10,396
Likes: 14
From: Atlanta
Default

Just find a stock SS/WS6 muffler, or a Dual/Dual catback. The D/D flows better, those are the 2 quietest mufflers for an F-body.

josh
Reply
Old Dec 12, 2003 | 11:16 PM
  #15  
Damian's Avatar
LSX Mechanic
20 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (89)
 
Joined: Nov 2001
Posts: 10,396
Likes: 14
From: Atlanta
Default

https://ls1tech.com/forums//showthre...referrerid=183

There's ya an SS muffler right there..
Reply
Old Dec 12, 2003 | 11:27 PM
  #16  
Jammer's Avatar
TECH Junkie
iTrader: (1)
 
Joined: Dec 2002
Posts: 3,657
Likes: 2
From: Albany, NY
Default

I say just have two mufflers.
Reply




All times are GMT -5. The time now is 11:52 AM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE