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

Loud mouth w/out cats?

Thread Tools
 
Search this Thread
 
Old Apr 10, 2002 | 10:00 AM
  #1  
SRT T/A's Avatar
Thread Starter
12 Second Club
iTrader: (2)
 
Joined: Mar 2002
Posts: 155
Likes: 0
From: Tomball, TX
Default Loud mouth w/out cats?

What would SLP loudmouth sound like with no cats?, has anyone ever done it, Will it be to loud?
Let me know, if not I'm gonna find out friday! <img border="0" alt="[Fluffy]" title="" src="graemlins/fluffy.gif" />
Reply
Old Apr 10, 2002 | 10:05 AM
  #2  
bigSS's Avatar
TECH Fanatic
 
Joined: Nov 2001
Posts: 1,413
Likes: 0
From: PURDUE
Default Re: Loud mouth w/out cats?

Its going to be very loud and raspy!
Reply
Old Apr 10, 2002 | 11:32 AM
  #3  
WILWAXU's Avatar
TECH Senior Member
20 Year Member
iTrader: (6)
 
Joined: Nov 2001
Posts: 14,378
Likes: 1
From: League City, TX
Default Re: Loud mouth w/out cats?

TOO LOUD
Reply
Old Apr 10, 2002 | 03:26 PM
  #4  
Jake99SS's Avatar
TECH Resident
 
Joined: Nov 2001
Posts: 894
Likes: 0
From: Chicago, IL
Default Re: Loud mouth w/out cats?

With an ORP it might sound raspy. I have gutted cats in the stock y-pipe and I've gotten nothing but compliments on it. Even before I did heads/cam it sounded great. Definitely a lot louder. I kinda jumped the first time I started it after gutting the cats.
Reply
Old Apr 10, 2002 | 03:30 PM
  #5  
RPM WS6's Avatar
LS1Tech Administrator
20 Year Member
Shutterbug
Community Builder
Community Influencer
iTrader: (3)
 
Joined: Nov 2001
Posts: 34,611
Likes: 2,526
From: Schiller Park, ILL Member: #317
Default Re: Loud mouth w/out cats?

Jake is right. I’ve heard it both with gutted cats and with a regular ORY, and it sounds absolutely bad *** with gutted cats, but with the ORY it rasps A LOT and sounds like total ****. <img border="0" alt="[barf]" title="" src="graemlins/gr_barf.gif" />
Reply
Old Apr 10, 2002 | 09:04 PM
  #6  
BIGBOS's Avatar
TECH Senior Member
 
Joined: Nov 2001
Posts: 11,603
Likes: 0
From: Chi-Town, IL
Default Re: Loud mouth w/out cats?

Well I have that setup currently...FLP LT headers with the off road pipes on, flowing through a LM exhaust...its F**King LOUD!

At 6600 rpms when I shift it sounds like a rocket...I really don't think it sounds like "***" but it is loud...you could probably hear it from at least a mile away at WOT, probably farther than that...

It was great with the 6-speed because I could shut it up anytime I wanted...now that I have the TH400 I need to switch it up...my car really doesn't start to get moving until like 3000 rpms and its a a constant rate until I get up to speed, then I can finally let off and it will drop to like 2000.....my stall is BIG though... <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
Reply
Old Apr 10, 2002 | 09:32 PM
  #7  
JDC LS1's Avatar
Staging Lane
 
Joined: Nov 2001
Posts: 54
Likes: 0
From: new orleans
Default Re: Loud mouth w/out cats?

might sound like a stupid question but what does "ORP" AND "ORY" stand for
<img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" /> ...i was purchasing the slp loudmouth once my income tax comes in <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
and its never loud enough for me...just don't wanna sound like ****...

<img border="0" alt="[hail]" title="" src="graemlins/gr_hail.gif" /> '99 trans am (no mods yet)
Reply
Old Apr 10, 2002 | 09:35 PM
  #8  
BIGBOS's Avatar
TECH Senior Member
 
Joined: Nov 2001
Posts: 11,603
Likes: 0
From: Chi-Town, IL
Default Re: Loud mouth w/out cats?

ORP's = Off-road Pipes, come with SLP's and FLP's headers...

ORY = Off road Y-pipe usually comes with MAC headers
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

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

 Verdad Gallardo
story-1

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-2

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-3

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-4

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

 Verdad Gallardo
story-5

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-6

10 Camaros You Should Never Buy

 
story-7

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
story-8

Five Reasons the Camaro Was the Most Pivotal Player in the Pony Car Wars 2.0

 Brett Foote
story-9

10 Reasons the LS7 Is GM's Most Extreme Naturally Aspirated V8 Engine Ever

 Verdad Gallardo
Old Apr 11, 2002 | 12:48 AM
  #9  
The Dragon's Avatar
TECH Addict
iTrader: (6)
 
Joined: Nov 2001
Posts: 2,099
Likes: 0
From: Tampa, Florida
Default Re: Loud mouth w/out cats?

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by WILWAXU:
<strong>TOO LOUD</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Awwww . . . don't be a wus <img border="0" title="" alt="[Razz]" src="gr_tounge.gif" /> <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

It's neeeeever too loud . . . as long as it's deep <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

Yup, there's a rasp at low rpm's . . . but who gives a **** about low rpm's? I've got more than enough compliments about my exhaust note from exotic owners to 60's muscle guys <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

Hookers-straight pipes-stock y-Loudmouth <img border="0" alt="[Fluffy]" title="" src="graemlins/fluffy.gif" />
Reply
Old Apr 11, 2002 | 02:20 PM
  #10  
thunderstruck's Avatar
TECH Enthusiast
iTrader: (15)
 
Joined: Apr 2002
Posts: 632
Likes: 0
From: effingham, il
Default Re: Loud mouth w/out cats?

i have hooker long tubes, custom y pipe, no cats and the loudmouth. its an auto too. at about 2000 to 2400 rpm's, i think it sounds like ****!! it sounds like a truck with straight pipes and glass packs. i also have the dynomax bullet in the i pipe. it didnt help much. i dont even like to rev it over 2000 rpms in town cause of the sound. its driving me nuts!
Reply
Old Apr 11, 2002 | 02:23 PM
  #11  
LS1UltraZ's Avatar
TECH Enthusiast
iTrader: (3)
 
Joined: Nov 2001
Posts: 568
Likes: 0
From: Alexandria, VA
Default Re: Loud mouth w/out cats?

I agree.. ive heard longtubes, no cats and loudmouth, thought the road was being invaded by the famous tractor racers or AL. Well u get my point.. But who am i to talk im running FLP's with an open Y right now <img border="0" alt="[chug]" title="" src="graemlins/gr_chug.gif" />

Sean
Reply
Old Apr 11, 2002 | 07:05 PM
  #12  
JuicedSS262's Avatar
On The Tree
 
Joined: Apr 2002
Posts: 140
Likes: 0
From: Tampa
Default Re: Loud mouth w/out cats?

The consensus is that it is loud as un-holy hell. That woud be a crorrect statement. I have SLP long tubes, ORP's and Loudmouth...LOUD AS HELL!!
But hey I like it, scares the crap out of ricers too <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> . Can't wait too cam it... <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
ANY system with out cats WILL be raspy at 2100 to 2400 or so rpm. UNLESS you have a custom set up with TRUE dual exhaust. The best system I have heard is the GMMG chambered exhaust, and that was with cats. Wonderful deep note.
Reply
Old Apr 11, 2002 | 08:17 PM
  #13  
2000LS1Z28's Avatar
TECH Fanatic
 
Joined: Nov 2001
Posts: 1,098
Likes: 0
From: I-L-L-I-N-O-I-S
Default Re: Loud mouth w/out cats?

I've heard the SLP LM without cat's and it was almost the worst sounding LS1 I've ever heard. Only a Borla without cat's is worse and thats not saying much. I'd suggest leaving the cats on or switching to an SLP dual/dual cat-back for no rasp.

Mike
Reply
Old Apr 11, 2002 | 08:17 PM
  #14  
Country Boy's Avatar
Senior Member
iTrader: (24)
 
Joined: Nov 2001
Posts: 6,034
Likes: 1
From: Tampa, FL
Default Re: Loud mouth w/out cats?

I also have the SLP LTs, no cats and the Loudmouth. It sounds like **** at the talked about RMPs. The truck description is about right! But at WOT, it is bad a$$!!!!!
Reply
Old Apr 11, 2002 | 08:37 PM
  #15  
Damian's Avatar
LSX Mechanic
20 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (89)
 
Joined: Nov 2001
Posts: 10,396
Likes: 13
From: Atlanta
Default Re: Loud mouth w/out cats?

Dude, I am not shitting you when I say that your car will have the infamous........

ATOMIC FART!!!......OR IN IT'S NEWEST DEBUT, THE WOUNDED DUCK!!.....(copyright, Joshua Damian Benson, 1998 inc)

Thats about what your car will sound like cruising around town, and I am not even joking. I ran this setup for about 4 months and was embarrased to drive my car unless I kept it above 3500, which was way to loud. Most horrible sounding **** I have ever heard. But I have a Hooker catback, and it's all better now <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

Josh
Reply
Old Apr 11, 2002 | 09:15 PM
  #16  
BIGBOS's Avatar
TECH Senior Member
 
Joined: Nov 2001
Posts: 11,603
Likes: 0
From: Chi-Town, IL
Default Re: Loud mouth w/out cats?

My new setup should be really nice, I'm picking up a SLP dual-dual catback exhaust and I am going to run that as my catback instead of the loudmouth, so now it will be FLP's, ORP's, then to the SLP Catback...I can't wait to have it quieter from now on, especially with my "5000" stall... <img border="0" title="" alt="[Razz]" src="gr_tounge.gif" />
Reply
Old Apr 11, 2002 | 11:35 PM
  #17  
jericho573's Avatar
Teching In
 
Joined: Mar 2002
Posts: 6
Likes: 0
From: Tallahassee, FL
Default Re: Loud mouth w/out cats?

Ok from reading the other posts I get that the LM w/o cats sounds horrible when paired with headers and ORP/Y.
I have it as my only mod thus far on my '99 TA A4 and love how it sounds from 2000-2400. It is loud but not that loud. If i took my cats off but didnt add headers how would that sound?

Chris
Reply
Old Apr 12, 2002 | 02:17 PM
  #18  
jericho573's Avatar
Teching In
 
Joined: Mar 2002
Posts: 6
Likes: 0
From: Tallahassee, FL
Default Re: Loud mouth w/out cats?

ttt
Reply
Old May 13, 2002 | 02:42 AM
  #19  
adm408's Avatar
Launching!
 
Joined: Dec 2001
Posts: 261
Likes: 0
From: Santa Clara, CA
Default Re: Loud mouth w/out cats?

i too am looking to make the LM alittle louder (never loud enough for me). i was looking at just gutting my cats. does anyone know how this can be done with my stock cats?
-anthony
Reply
Old May 13, 2002 | 07:44 AM
  #20  
BIGBOS's Avatar
TECH Senior Member
 
Joined: Nov 2001
Posts: 11,603
Likes: 0
From: Chi-Town, IL
Default Re: Loud mouth w/out cats?

Gut them....got to get rid of all the crap inside...who needs cats? <img border="0" title="" alt="[Razz]" src="gr_tounge.gif" />
Reply



All times are GMT -5. The time now is 12:08 PM.

story-0
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-1
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-2
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-3
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-4
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-5
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-6
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-7
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
story-8
Five Reasons the Camaro Was the Most Pivotal Player in the Pony Car Wars 2.0

The world was a better place when it was still around.

By Brett Foote | 2026-01-23 09:20:37


VIEW MORE
story-9
10 Reasons the LS7 Is GM's Most Extreme Naturally Aspirated V8 Engine Ever

Slideshow: The 7.0-liter LS7 was designed for absolute cutting-edge performance.

By Verdad Gallardo | 2026-01-07 18:36:00


VIEW MORE