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

changing up my exhaust

Thread Tools
 
Search this Thread
 
Old Dec 12, 2005 | 10:37 PM
  #1  
Rob@EFIAlchemy's Avatar
Thread Starter
LS1Tech Sponsor
iTrader: (9)
 
Joined: Aug 2005
Posts: 639
Likes: 0
From: Ponte Vedra Beach Fl
Default changing up my exhaust

right now i got some hedman stepped long tubes 3' collectors no cats 3 inch td's half way and 2 1/2 to a set of flowmaster super 40's with an h pipe that runs under the tranny exhaust kiks out the normal places. im looking to change it to the same LT's with 2 1/4 td's with H into two 2' in/out 3' glass packs dumped at the axles. will i lose any power or would i gain some i know im shortening the exhaust but im also making it smaller piping. any opinions will help thanx
Reply
Old Dec 13, 2005 | 12:29 AM
  #2  
orangeapeel's Avatar
ЯєŧąяĐ Єl¡m¡иąŧøя ™
iTrader: (18)
 
Joined: Nov 2004
Posts: 16,083
Likes: 4
From: Justin, TX
Default

gain off the loss of the flow masters.
Reply
Old Dec 13, 2005 | 12:30 AM
  #3  
orangeapeel's Avatar
ЯєŧąяĐ Єl¡m¡иąŧøя ™
iTrader: (18)
 
Joined: Nov 2004
Posts: 16,083
Likes: 4
From: Justin, TX
Default !

and without pictures!
Reply
Old Dec 13, 2005 | 01:12 AM
  #4  
Rob@EFIAlchemy's Avatar
Thread Starter
LS1Tech Sponsor
iTrader: (9)
 
Joined: Aug 2005
Posts: 639
Likes: 0
From: Ponte Vedra Beach Fl
Default

ill try and take some pix tommorow
Reply
Old Dec 13, 2005 | 02:56 AM
  #5  
6spd's Avatar
Launching!
iTrader: (3)
 
Joined: Oct 2003
Posts: 210
Likes: 0
From: Amarillo TX
Default

are you going to 2.25s for clearance issues? that sure is slim and to drop down to 2" at the back, you might as well just make it all 2" since its going to be bottle necking you anyway...2" is too slim imo
Reply
Old Dec 13, 2005 | 10:51 AM
  #6  
Rob@EFIAlchemy's Avatar
Thread Starter
LS1Tech Sponsor
iTrader: (9)
 
Joined: Aug 2005
Posts: 639
Likes: 0
From: Ponte Vedra Beach Fl
Default

no i just dont think 2 1/2 is really need being such a short exhaust
Reply




All times are GMT -5. The time now is 01:49 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