C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

header question

Thread Tools
 
Search this Thread
 
Old Aug 11, 2008 | 08:03 PM
  #1  
worldtraveler's Avatar
worldtraveler
Thread Starter
Melting Slicks
15 Year Member
 
Joined: Jan 2004
Posts: 2,546
Likes: 2
From: Proud dad of 2 responsible adults and 1 fallen warrior txtx
Default header question

I have GHL cat back on my '04 now and was wondering if the addition of headers with cats would increase the sound volume significantly or is most of the sound already in the system with the cat back system?
Reply
Old Aug 11, 2008 | 08:25 PM
  #2  
got2hav1's Avatar
got2hav1
Safety Car
Supporting Lifetime
15 Year Member
Active Streak: 60 Days
Community Favorite
Top Answer: 5
 
Joined: Dec 2006
Posts: 3,930
Likes: 1,896
From: NC
2025 Corvette of the Year Finalist - Unmodified
2024 C7 of the Year Winner - Unmodified
2023 C7 of the Year Finalist - Unmodified
2019 C6 of Year Finalist (performance mods)
Default headers

It did get louder when I added hi flow cats and LG pros. Pretty much anything you do to increase exhaust flow is going to make the car louder. But exhaust sounds are more tolerable to some than others. I like what I have now but when you hammer it the exhaust is Nascar loud. Corsa Indys by the way.
Reply
Old Aug 11, 2008 | 09:54 PM
  #3  
PewtVette's Avatar
PewtVette
Burning Brakes
 
Joined: Aug 2007
Posts: 756
Likes: 1
From: Oakton Virginia
Default

So there's no such thing as 'less loud' headers? I don't want to give up my quiet exhaust sound (Magnaflow & X). I did the header thing on my Z28 but now I'm interested in quieter power. No hijack intended.
Reply
Old Aug 11, 2008 | 10:10 PM
  #4  
nickolbag's Avatar
nickolbag
Le Mans Master
15 Year Member
 
Joined: Aug 2005
Posts: 5,130
Likes: 3
From: Winter Park FL
Default

Originally Posted by PewtVette
So there's no such thing as 'less loud' headers? I don't want to give up my quiet exhaust sound (Magnaflow & X). I did the header thing on my Z28 but now I'm interested in quieter power. No hijack intended.
No quiet headers that I know of. If you want to keep it quiet you can go with LTs, high flows, and z06 Tis. It will be pretty quiet when you keep the RPMs low. Regular driving and cruising you will hear your valvetrain over your exhaust It will get pretty loud if you get on it though.
Reply
Old Aug 11, 2008 | 10:38 PM
  #5  
LTCHAPPA's Avatar
LTCHAPPA
Burning Brakes
20 Year Member
 
Joined: May 2004
Posts: 929
Likes: 45
From: Wayne NJ
Default

Sound level will increase a little driving normal and will get alot louder when you hammer it.You wii also get a nice increase in HP.
Reply
Old Aug 12, 2008 | 04:42 AM
  #6  
PewtVette's Avatar
PewtVette
Burning Brakes
 
Joined: Aug 2007
Posts: 756
Likes: 1
From: Oakton Virginia
Default

Originally Posted by nickolbag
...No quiet headers that I know of. If you want to keep it quiet you can ... Regular driving and cruising you will hear your valvetrain over your exhaust It will get pretty loud if you get on it though.
Yeah, I'm also not interested in hearing my valvetrain. Been there, did that.
Reply
Old Aug 12, 2008 | 12:06 PM
  #7  
cyberjazz60's Avatar
cyberjazz60
6th Gear
 
Joined: Nov 2007
Posts: 6
Likes: 0
From: TN
Default

I put on Cosa exhaust and only ran with that for awhile. A few months later I added a Corsa X pipe and Bassani Headers. Normal driving, the sound is pretty much the same, but WOT the sound opens up quite a bit..It sounds awesome!
Reply
Old Aug 12, 2008 | 04:23 PM
  #8  
PewtVette's Avatar
PewtVette
Burning Brakes
 
Joined: Aug 2007
Posts: 756
Likes: 1
From: Oakton Virginia
Default

Originally Posted by cyberjazz60
I put on Cosa exhaust and only ran with that for awhile. A few months later I added a Corsa X pipe and Bassani Headers. Normal driving, the sound is pretty much the same, but WOT the sound opens up quite a bit..It sounds awesome!
Interesting selection- Bassani. I ran those on my Z28. Very high quality. I was actually looking at those for my C5. Did you make this selection base on the fact that you can hook up to your stock cats? I imagine running through the stock cats helps reduce decibel level a bit.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
story-1

2027 Corvette vs The World: Every Model vs Closest Competitor

 Joe Kucinski
story-2

10 Most Common Corvette Problems of the Last 20 Years!

 Joe Kucinski
story-3

5 MOST and 5 LEAST Popular Corvette Model Years in History!

 Joe Kucinski
story-4

2027 Corvette Buyer's Guide: Everything You Need to Know!

 Joe Kucinski
story-5

10 Things C8 Corvette Owners Hate (But Won't Tell You)

 Joe Kucinski
story-6

10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

 Brett Foote
story-7

Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

 Joe Kucinski
story-8

Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!

 Michael S. Palmer
story-9

5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!

 Joe Kucinski
Old Aug 12, 2008 | 06:08 PM
  #9  
MattB's Avatar
MattB
Drifting
Supporting Lifetime
10 Year Member
 
Joined: May 2005
Posts: 1,590
Likes: 1
From: Littleton Colorado
Default

You could go with the stock Z06 Ti catback with the headers. A lot find it a good combo. Sell the GHLs on the forum.

Personally I did a corsa cat back, then got the headers. It was louder, but also a tinny loud that kind of grated on my ears. When I got some ported heads it sounded a lot better, less tinny and deeper. But, I went back to a Z06 catback after a cam install.
Reply

Get notified of new replies

To header question





All times are GMT -4. The time now is 05:07 PM.

story-0
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-1
2027 Corvette vs The World: Every Model vs Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-20 17:58:41


VIEW MORE
story-2
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE
story-3
5 MOST and 5 LEAST Popular Corvette Model Years in History!

Slideshow: 5 most and least popular Corvette model years.

By Joe Kucinski | 2026-04-08 13:25:01


VIEW MORE
story-4
2027 Corvette Buyer's Guide: Everything You Need to Know!

Slideshow: 2027 Corvette buyer's guide

By Joe Kucinski | 2026-04-17 16:41:08


VIEW MORE
story-5
10 Things C8 Corvette Owners Hate (But Won't Tell You)

Slideshow: 10 things C8 Corvette owners hate, but won't tell you.

By Joe Kucinski | 2026-04-01 18:36:07


VIEW MORE
story-6
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

Slideshow: Should you add one of these incredible Corvettes to your garage?

By Brett Foote | 2026-04-01 18:14:05


VIEW MORE
story-7
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

Slideshow: Every Corvette Grand Sport explained

By Joe Kucinski | 2026-03-26 07:13:44


VIEW MORE
story-8
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!

Slideshow: Breaking down the 2027 Grand Sport, Grand Sport X, Stingray, and LS6 V8.

By Michael S. Palmer | 2026-03-26 13:48:45


VIEW MORE
story-9
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!

Slideshow: 5 reasons bad drivers crash sports cars & 5 ways to avoid a costly shame!

By Joe Kucinski | 2026-03-25 16:32:55


VIEW MORE