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

Why did you go with True Duals?

Thread Tools
 
Search this Thread
 
Old Oct 4, 2004 | 02:44 PM
  #1  
monyhunter's Avatar
Thread Starter
Staging Lane
 
Joined: Jul 2004
Posts: 84
Likes: 0
Default Why did you go with True Duals?

I'm trying to deside what exhaust to get. I've done tons and tons of searching, but have the follow questions that I didn't really find a good answer to.

1. What made you deside to go with true duals instead of something like the gmmg, hooker, magnaflow, loudmouth etc?

2. What exhaust setup did you have before the true duals? (I'm expesially interested if you had the GMMG, and why you changed)

Thanks a ton guys.
Reply
Old Oct 4, 2004 | 03:03 PM
  #2  
Z28Venom's Avatar
TECH Addict
iTrader: (13)
 
Joined: Jan 2004
Posts: 2,900
Likes: 1
From: USN, Haze Grey and Underway
Default

Originally Posted by monyhunter
I'm trying to deside what exhaust to get. I've done tons and tons of searching, but have the follow questions that I didn't really find a good answer to.

1. What made you deside to go with true duals instead of something like the gmmg, hooker, magnaflow, loudmouth etc?

2. What exhaust setup did you have before the true duals? (I'm expesially interested if you had the GMMG, and why you changed)

Thanks a ton guys.
I went with TDs because if done right, you can build them pretty cheaply. Also, not that many people are running TDs so my car is a little unique in that sense. They also sound amazing. No catback out there can match the sound of my sweet-thunder true duals.

I previous exhaust was the TSP Rumbler. It sounded like **** after adding H/C , LTs, and ORY.

As far as the GMMG goes, I just think its dumb to spend $700 on a catback exhaust. I only spend $200 to build my TDs.. $500 is a pretty penny to save..
Reply
Old Oct 4, 2004 | 03:08 PM
  #3  
dug's Avatar
dug
Banned
iTrader: (10)
 
Joined: Aug 2002
Posts: 3,721
Likes: 0
From: Phoenix
Default

Im thinking about going to duals for sound and power. Whats stopping me is ground clearance and too much noise in the interior. Id be happy with a 4" catback with 3" to 4" ypipe but think theyre a lil overpriced.
Reply
Old Oct 4, 2004 | 03:08 PM
  #4  
ONGRNGO's Avatar
12 Second Club
 
Joined: Sep 2002
Posts: 547
Likes: 0
From: Minnesota
Default

I did my TD for the sound you cannot beat it in my opinion Race people and they look at you like holy ****, when you down shift!!!

I had a LM before my TD and didn't like the rasp of it at all

Dan
Reply
Old Oct 4, 2004 | 03:30 PM
  #5  
ls1_doc's Avatar
TECH Enthusiast
iTrader: (6)
 
Joined: Aug 2004
Posts: 699
Likes: 0
From: redding ca
Default

I dont have that many mods yet but i went from a flowmaster cat-back to true duals that i built and gained .3 @ the track that was good for me
Reply
Old Oct 4, 2004 | 03:35 PM
  #6  
BAM-BAM's Avatar
11 Second Club
iTrader: (2)
 
Joined: Sep 2004
Posts: 151
Likes: 0
Default

HAD MACS ORY AND LM......raspy as hell and sounded like s)(*t

true duals fixed all that.....

98 ss a4...383 and lots of other mods,,,,
Reply
Old Oct 4, 2004 | 04:04 PM
  #7  
LS1FIRE's Avatar
11 Second Club
iTrader: (1)
 
Joined: Oct 2003
Posts: 879
Likes: 0
Default

Question #1 I decided to go with truduals because of the price compared to the top line cat backs. And which also led me to to futher pursue truduals is because of lots of people telling me that i can't put truduals on my car. I managed to put truduals with tips onto my car.I put 2 flowmaster 40 seiries mufflers with 2.5 inch pipe under the axle. I dislike the flowmasters for performance and had installed dual cutouts.

#2. I decided not to go with the Cat back exahust is because that most of the good ones cost more than a custom trudual setup. I did not want to get a gmmg because its just chamberd mufflers with some piping for 700 dollars.I am sure its a good catback but decided to just go with truduals.

#3 i had a flowmast 80 series muffler onto the stock y pipe. I liked it i only paid 120 for the muffler and installtion and ran it until i got LTs.

Last edited by 9833211; Oct 4, 2004 at 06:33 PM.
Reply
Old Oct 4, 2004 | 04:58 PM
  #8  
houseofboost's Avatar
TECH Regular
iTrader: (3)
 
Joined: Feb 2003
Posts: 428
Likes: 0
From: Kirksville, Missouri
Default

What is the best muffler to use with true duals? Does anyone have any sound clips of cars with true duals and bullet mufflers? My car currently has dynomax mufflers on it and it sounds alright, but it sounds kind of "pooffy", and I don't like it. The guy I bought the car off of told me that the bullets were unreal loud, but I might have liked it.
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

 Pouria Savadkouei
story-1

Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

 Verdad Gallardo
story-2

7 Most Reliable High-Performance Engines GM Has Ever Built

 Verdad Gallardo
story-3

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

 Verdad Gallardo
story-4

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

 Pouria Savadkouei
story-5

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

 Verdad Gallardo
story-6

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-7

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-8

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-9

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

 Verdad Gallardo
Old Oct 4, 2004 | 05:12 PM
  #9  
ls1_doc's Avatar
TECH Enthusiast
iTrader: (6)
 
Joined: Aug 2004
Posts: 699
Likes: 0
From: redding ca
Default

www.ls1sounds.com
Reply
Old Oct 4, 2004 | 05:25 PM
  #10  
GM Muscle's Avatar
10 Second Club
iTrader: (9)
 
Joined: Jan 2004
Posts: 3,878
Likes: 0
From: Laconia, NH
Default

I primarily went with my true duals for the sound. People always tell me it sounds like an old school muscle car. I also went with the duals because I can slide them off and put my header extensions on in less then 15 minutes, which is nice since I have to drive my car about an hour to the track.

BTW: I have a 2.5" X-pipe set up with 12" bullets. The car is so loud on the bottle I'm afraid to hit it on the street since everyone with in atleast a mile radius will hear it.
Reply
Old Oct 4, 2004 | 06:26 PM
  #11  
FastFrank's Avatar
Staging Lane
 
Joined: Aug 2004
Posts: 54
Likes: 0
From: Chicago
Default

It seems everyone who has True Duals or GMMG exhaust is more than happy with it
Reply
Old Oct 4, 2004 | 06:32 PM
  #12  
Z28Venom's Avatar
TECH Addict
iTrader: (13)
 
Joined: Jan 2004
Posts: 2,900
Likes: 1
From: USN, Haze Grey and Underway
Default

Originally Posted by houseofboost
What is the best muffler to use with true duals? Does anyone have any sound clips of cars with true duals and bullet mufflers? My car currently has dynomax mufflers on it and it sounds alright, but it sounds kind of "pooffy", and I don't like it. The guy I bought the car off of told me that the bullets were unreal loud, but I might have liked it.
Loud
Dynomax Bullets
Sweet-Thunders
Moroso Spiral Flos
Flo Pro Twisters

Deep and very quiet inside
Borla XR-1s
Magnaflow
Edelbrock
Dynomax Turbo

I have sound clips of both Borla XR-1s and Sweet-Thunder Chambered mufflers in my signature.
Reply
Old Oct 4, 2004 | 08:09 PM
  #13  
demonspeed's Avatar
It's not mine! woo hoo!
20 Year Member
Photogenic
Photoriffic
iTrader: (7)
 
Joined: Jun 2003
Posts: 7,128
Likes: 5
From: Pittsburgh, PA
Default

I've been thinking of switching my GMMG to a x-pipe with Sweet Thunder mufflers. I could sell my GMMG and still have money left over after the dual install. I won't switch until after I get long tubes though.
Reply
Old Oct 4, 2004 | 08:18 PM
  #14  
jhelms's Avatar
TECH Fanatic
iTrader: (2)
 
Joined: Nov 2001
Posts: 1,805
Likes: 0
From: Columbus, GA
Default

Originally Posted by houseofboost
What is the best muffler to use with true duals? Does anyone have any sound clips of cars with true duals and bullet mufflers? My car currently has dynomax mufflers on it and it sounds alright, but it sounds kind of "pooffy", and I don't like it. The guy I bought the car off of told me that the bullets were unreal loud, but I might have liked it.

One of my LT1 supercharged Z28's had long tubes, no cats, 500+rwhp and open Borla. That car made ears bleed but sounded like a stock Lexus compared to your Beast when it had bullets.
Reply
Old Oct 4, 2004 | 08:57 PM
  #15  
tomaSS's Avatar
TECH Apprentice
iTrader: (1)
 
Joined: Mar 2004
Posts: 327
Likes: 0
From: Las Vegas
Default

sound, price and the midrange power is great!
Reply
Old Oct 4, 2004 | 09:19 PM
  #16  
skippytheloon's Avatar
TECH Enthusiast
iTrader: (14)
 
Joined: May 2003
Posts: 700
Likes: 0
From: Nacogdoches, TX
Default

The real question is why the hell did I blow $600 on a Borla first!?! Well, because no dependable shops around here would make me some w/o cats and no one was offering a TD kit I could install myself at the time (that I was aware of).
I settled for lowered expectations..."it's not what I wanted, but if Borla costs that much, surely it sounds good...right?" Wrong. You can't even compare a Y-pipe system to duals, on any car or truck.
Reply
Old Oct 4, 2004 | 09:19 PM
  #17  
houseofboost's Avatar
TECH Regular
iTrader: (3)
 
Joined: Feb 2003
Posts: 428
Likes: 0
From: Kirksville, Missouri
Default

My car is a YS-Trim 383ci LT1, made 1078hp at 21psi and is currently making 714rwhp at a 15psi. I lost 14rwhp going from bullets to these dynomax mufflers that I don't really care for. However, it was a decision made by the former owner of the car.

Do you think bullets will be too much? I would enjoy the power gain, but would they be too loud? However, I don't know if there is a too loud.

What length of bullet would you guys recommend? I'm not sure what would be the ideal length.

Wes
Reply
Old Oct 4, 2004 | 09:23 PM
  #18  
houseofboost's Avatar
TECH Regular
iTrader: (3)
 
Joined: Feb 2003
Posts: 428
Likes: 0
From: Kirksville, Missouri
Default

John!!! Whats up man?

Well, did the car sound "good" when it had bullets on it? Or was it too much? I mean, I don't mind loud, I just want it to sound good. My old white Z28 with the YS-Trim had 4" mufflex with a SpinTech muffler on it and it was much louder than the black T/A.
Reply
Old Oct 4, 2004 | 09:24 PM
  #19  
Magnus's Avatar
LS1TECH Sponsor
iTrader: (4)
 
Joined: Nov 2001
Posts: 2,404
Likes: 0
From: Chicago, IL
Default

sounds better than i-pipe/muffler.
is cheaper
is easier to remove
has more power potential
Reply
Old Oct 5, 2004 | 12:09 PM
  #20  
houseofboost's Avatar
TECH Regular
iTrader: (3)
 
Joined: Feb 2003
Posts: 428
Likes: 0
From: Kirksville, Missouri
Default

ttt




thanks.
wb
Reply



All times are GMT -5. The time now is 04:04 PM.

story-0
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-1
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-2
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-3
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-4
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-5
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-6
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-7
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-8
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-9
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