LS1TECH - Camaro and Firebird Forum Discussion

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

Mac Headers fit Stock y?

Thread Tools
 
Search this Thread
 
Old Dec 7, 2008 | 11:05 PM
Share
  #1  
LS1Aggie09's Avatar
LS1Aggie09
Thread Starter
TECH Fanatic
iTrader: (25)
 
Joined: Jan 2006
Posts: 1,271
Likes: 0
From: Katy & College Station, TX
Default Mac Headers fit Stock y?
Do the Mac Midlengths lineup to the stock y-pipe/catback setup or must I order a Mac y-pipe?

Thanks!

-Karl
Reply
0
Old Dec 7, 2008 | 11:11 PM
Share
  #2  
whitew01ws6's Avatar
whitew01ws6
12 Second Club
iTrader: (12)
 
Joined: Feb 2008
Posts: 407
Likes: 0
From: westminster MD
Default
order that cat y pipe they dont line up
Reply
0
Old Dec 7, 2008 | 11:12 PM
Share
  #3  
whitew01ws6's Avatar
whitew01ws6
12 Second Club
iTrader: (12)
 
Joined: Feb 2008
Posts: 407
Likes: 0
From: westminster MD
Default
or the ORY if u dont want cats
Reply
0
Old Dec 7, 2008 | 11:28 PM
Share
  #4  
Gregorya24's Avatar
Gregorya24
Launching!
iTrader: (13)
 
Joined: Jan 2008
Posts: 285
Likes: 0
From: Charleston, SC
Default
i have some mac mids and mac y pipe for sale pm me if you wanna know more info!
Reply
0
Old Dec 8, 2008 | 09:16 PM
Share
  #5  
s346k's Avatar
s346k
TECH Junkie
iTrader: (4)
 
Joined: May 2005
Posts: 3,433
Likes: 1
From: johnson co.
Default
mac headers should fit the stock y. you can use the mac y and stock manifolds, so why wouldn't the headers work with the stock exhaust? bear in mind the mac **** only fits 98-99 manifolds, as they were changed in 2000. the 00+ passenger side manifold won't line up with 98-99 stock y pipe, ask me how i know...
Reply
0
Old Dec 12, 2008 | 11:29 AM
Share
  #6  
gillbot's Avatar
gillbot
11 Second Club
iTrader: (27)
 
Joined: May 2002
Posts: 2,397
Likes: 0
From: East Palestine, OH - USA
Default
Originally Posted by s346k
mac headers should fit the stock y. you can use the mac y and stock manifolds, so why wouldn't the headers work with the stock exhaust? bear in mind the mac **** only fits 98-99 manifolds, as they were changed in 2000. the 00+ passenger side manifold won't line up with 98-99 stock y pipe, ask me how i know...
No they don't. MAC headers do not fit the stock Y.
MAC Header: http://www.pbmotorsports.com/01250003.jpg
Looks nothing like
LS1 Manifold: http://www.pbmotorsports.com/01250003.jpg
Reply
0
Old Dec 12, 2008 | 12:30 PM
Share
  #7  
Fast Toys Performance Parts's Avatar
Fast Toys Performance Parts
FormerVendor
iTrader: (3)
 
Joined: Dec 2001
Posts: 1,638
Likes: 0
Default
We sell the Mac headers. THEY WILL NOT WORK with the stock Y. The Mac headers and Y pipe are sold as a kit. You can contact us for the best pricing on Mac products. Just let us know you are an LS1TECH member.
Reply
0

Trending Topics

Old Dec 12, 2008 | 04:18 PM
Share
  #8  
krazy4's Avatar
krazy4
12 Second Club
iTrader: (5)
 
Joined: Mar 2006
Posts: 1,457
Likes: 3
From: Yorba Linda, CA
Default
You need need the matching MAC Y-pipe or you can get a custom y-pipe made.

The Y-pipe that goes to the stock manifolds is not made for the headers.
Reply
0
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

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

 Verdad Gallardo
story-1

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

 Pouria Savadkouei
story-2

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

 Verdad Gallardo
story-3

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-4

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-5

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-6

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

 Verdad Gallardo
story-7

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-8

10 Camaros You Should Never Buy

 
story-9

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
Old Dec 13, 2008 | 11:12 AM
Share
  #9  
s346k's Avatar
s346k
TECH Junkie
iTrader: (4)
 
Joined: May 2005
Posts: 3,433
Likes: 1
From: johnson co.
Default
Originally Posted by krazy4
You need need the matching MAC Y-pipe or you can get a custom y-pipe made.

The Y-pipe that goes to the stock manifolds is not made for the headers.
poned. i stand corrected. i do know for a fact that the 98-99 manifolds are dif from 00-02 though haha.
Reply
0
Back to Subforum
Generation III External Engine
View Next Unread
Thrush.....




Advanced Search

All times are GMT -5. The time now is 04:53 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