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

performance gain w/cat off???

Thread Tools
 
Search this Thread
 
Old Dec 20, 2006 | 05:39 PM
  #1  
batmn77's Avatar
Thread Starter
Banned
 
Joined: Oct 2005
Posts: 143
Likes: 0
From: JAX/OP
Default performance gain w/cat off???

how much of a performance gain is there by taking the cat off???
Reply
Old Dec 20, 2006 | 06:24 PM
  #2  
staringback05's Avatar
TECH Senior Member
iTrader: (8)
 
Joined: Apr 2006
Posts: 6,695
Likes: 2
Default

a pretty good amount....to put it shortly
Reply
Old Dec 20, 2006 | 07:53 PM
  #3  
NassyVette's Avatar
TECH Enthusiast
iTrader: (22)
 
Joined: Apr 2002
Posts: 662
Likes: 1
From: Chicago
Default

What are your mods...the more mods your have the more you stand to gain. On an otherwise stock motor (or catback/intake) probably about +1 to +5.
Reply
Old Dec 21, 2006 | 10:34 AM
  #4  
SStheBest's Avatar
TECH Resident
iTrader: (2)
 
Joined: Feb 2005
Posts: 982
Likes: 0
From: Navarre, FL
Default

Originally Posted by NassyVette
What are your mods...the more mods your have the more you stand to gain. On an otherwise stock motor (or catback/intake) probably about +1 to +5.
Reply
Old Dec 21, 2006 | 11:15 AM
  #5  
lynx853's Avatar
12 Second Club
15 Year Member
Photogenic
iTrader: (8)
 
Joined: Jun 2006
Posts: 195
Likes: 10
From: NC
Default

we did a back to back at school on an SS with stock headers, fast 90/90 and lid

only saw 1hp gain on the top end...
Reply
Old Dec 21, 2006 | 07:54 PM
  #6  
11SECSS's Avatar
10 Second Club
iTrader: (199)
 
Joined: Nov 2001
Posts: 1,493
Likes: 4
From: Hampton Va
Default

I can tell you at the track you will see a difference. And you should be able to feel the difference on the street.
Reply
Old Dec 21, 2006 | 08:38 PM
  #7  
Starz T/A 17's Avatar
TECH Addict
iTrader: (6)
 
Joined: Jul 2005
Posts: 2,855
Likes: 0
Default

Stock cats with a tune Ive heard gives around 10 HP, but hi flow cats dont yeild much
Reply




All times are GMT -5. The time now is 04:59 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