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

people with true duals, please read

Thread Tools
 
Search this Thread
 
Old Sep 4, 2003 | 04:23 PM
  #1  
Turo's Avatar
Thread Starter
TECH Junkie
iTrader: (23)
 
Joined: Aug 2003
Posts: 3,465
Likes: 0
From: Tallahassee, FL
Default people with true duals, please read

ok, i got my jet hot LT's in the mail, and i want to start planning out the rest of my exhaust. im going with true duals & hi flow cats, but what diameter should i use? 2.5" overall, 3" to the X then 2.5", or 3" overall? id appreciate it if you guys could please post what diameter you have and how you like it, thanks!
Reply
Old Sep 4, 2003 | 04:47 PM
  #2  
MOBE's Avatar
TECH Addict
 
Joined: Feb 2002
Posts: 2,031
Likes: 0
From: Bailey, Co
Default Re: people with true duals, please read

Do you plan on giong over the axle?

If not, I'd go with 3". Thats what I have, and my clearance is just as good (if not better) as the Hooker y-pipe was. btw... My car is lowered with the Eibach Pro-kit.

Does it scrape?... Sometimes. But never very bad, and only on tall speed bumps.
Reply
Old Sep 5, 2003 | 02:56 AM
  #3  
Mike K.'s Avatar
TECH Junkie
 
Joined: Dec 2001
Posts: 3,242
Likes: 0
From: Lakeland, FL
Default Re: people with true duals, please read

Yeah if you are getting dumps before the axle go with 3 if you are going all the way back over the axle get the 2.5
Reply
Old Sep 5, 2003 | 11:49 AM
  #4  
soundengineer's Avatar
8 Second Club
20 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (16)
 
Joined: Jul 2003
Posts: 4,651
Likes: 17
From: Chicago IL
Default Re: people with true duals, please read

just stick with 3" clearance is not an issue...and 3" sounds better than 2.5"
Reply
Old Sep 5, 2003 | 12:33 PM
  #5  
Jorday's Avatar
10 Second Club
 
Joined: Nov 2001
Posts: 1,724
Likes: 0
From: Fenton, MI
Default Re: people with true duals, please read

If you're going over the axle, used 3 inch up to the x crossover and 2.5 after. You can get a crossover than is 3 inch in and 2.5 out. With turndowns, I would simply use all 3 inch. That's What I did. I made my exhaust myself, and it has better ground clearance than my old mac y pipe. The new exhaust has never hit the ground. A word to the wise...It's gonna be loud if you just use bullet mufflers and turndowns before the axle, though the cats should reduce the noise some.

Jordan
Reply
Old Sep 5, 2003 | 02:58 PM
  #6  
XFACTOR's Avatar
TECH Junkie
 
Joined: Apr 2003
Posts: 3,340
Likes: 0
From: Houston, TX
Default Re: people with true duals, please read

Go with 3" and run it out the back.Sounds really good what I have and love it.
Reply
Old Sep 5, 2003 | 04:17 PM
  #7  
CySevans's Avatar
TECH Addict
 
Joined: Dec 2001
Posts: 2,264
Likes: 0
From: Cypress, TX
Default Re: people with true duals, please read

I'm running 3" to just before the axles, then have them flange-bolted to 2 1/2" tailpipes to go over the axles. I had them flanged so the tailpipes could come off for track use. I am eventually going to have the cats flanged and removable as well for the same purpose. No cats and just bullet mufflers was way too loud for everyday street use, so I added 3" cats. Still a little loud, but bearable. Sounds great!
Reply




All times are GMT -5. The time now is 09:55 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