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

Muffler and turn-down after y-pipe...Which muffler?

Thread Tools
 
Search this Thread
 
Old Feb 2, 2009 | 10:24 AM
  #1  
b00sted's Avatar
Thread Starter
TECH Fanatic
20 Year Member
iTrader: (7)
 
Joined: Jun 2005
Posts: 1,109
Likes: 0
From: Chicago
Default Muffler and turn-down after y-pipe...Which muffler?

Which muffler should I go with after my mac headers and catless y. I want to eliminate rasp and quiet the car down a bit. Doesn't have to be too quiet obviously, just not over the top. I have the LM1 on my car right now, and the excessive rasp and noise is horrible.

This is the level of noise I can deal with. This is my old street car:
http://www.youtube.com/watch?v=SwS65EBPtQs
Reply
Old Feb 2, 2009 | 10:45 AM
  #2  
dug's Avatar
dug
Banned
iTrader: (10)
 
Joined: Aug 2002
Posts: 3,721
Likes: 0
From: Phoenix
Default

add a pair of 2.5" bullets to the ypipe. that will cure the rasp.
Reply
Old Feb 2, 2009 | 10:53 AM
  #3  
b00sted's Avatar
Thread Starter
TECH Fanatic
20 Year Member
iTrader: (7)
 
Joined: Jun 2005
Posts: 1,109
Likes: 0
From: Chicago
Default

What length?
Reply
Old Feb 2, 2009 | 04:19 PM
  #4  
dug's Avatar
dug
Banned
iTrader: (10)
 
Joined: Aug 2002
Posts: 3,721
Likes: 0
From: Phoenix
Default

I think the 18" ones will fit. Theres a lot of different things you could do like run a pair of 2.5" sweet thunder mufflers to a single 3" powerstick muffler.

or keep the loudmoth and replace the resonator with a round borla muffler.
Reply
Old Feb 3, 2009 | 07:36 AM
  #5  
teke184's Avatar
TECH Junkie
iTrader: (5)
 
Joined: Feb 2007
Posts: 3,183
Likes: 3
From: Key West, Florida
Default

with that minimal of an exhaust...you'll still have a considerable amount of rasp.

but a bullet muffler like the one Summit sells would help.

they sell a 24" version which gives you more sound control than the 16 or 18" versions that dynomax makes. and they're cheaper than the borla XR1.

other option would be to try and slip a magnaflow 4x9 muffler on there. they fit on my TD setup, so they should fit decent on a single with some creative placement.
Reply
Old Feb 3, 2009 | 10:41 AM
  #6  
dug's Avatar
dug
Banned
iTrader: (10)
 
Joined: Aug 2002
Posts: 3,721
Likes: 0
From: Phoenix
Default

http://ls1sounds.com/borlamouth.htm

they got a video of a borlamouth with macs and a cam.
Reply
Old Feb 3, 2009 | 07:40 PM
  #7  
blown03mustang's Avatar
11 Second Club
 
Joined: Dec 2007
Posts: 868
Likes: 0
From: Charleston, SC
Default

ive always heard the single flow off the y sounds good. not loud or raspy
Reply




All times are GMT -5. The time now is 03:16 PM.

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