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

MAC's are on!

Thread Tools
 
Search this Thread
 
Old Nov 1, 2005 | 08:07 PM
  #21  
JGA's Avatar
JGA
TECH Enthusiast
 
Joined: Feb 2005
Posts: 563
Likes: 0
Default

Hi

The headers are coated, but it is not as good as other ceramic coatings like Jet Hot. It is much better then paint, but it will break down much faster then other HT coatings. My Y pipe was painted black.

JA
Reply
Old Nov 1, 2005 | 10:21 PM
  #22  
electricz28's Avatar
12 Second Club
 
Joined: Jun 2004
Posts: 345
Likes: 0
From: Brazoria
Default MAcs

I used MACs for my first set of headers and went with the catted y-pipe and it was ok. Six months later I ordered the ory pipe because I had just about flattened the drivers side cat after the Pro kit went on. But thats when the car started talking. I could not believe how much louder it was. Not to mention the power increase. After three years, they really started to look ugly and they ticked alot because they never made a good seal to the heads. Now I have Kooks 1"7/8 with the 3" ory and I have better ground clearance. And yes there is a big performance difference. I still have the MAC's w/ y-pipes if anyone is looking for some headers.
Reply
Old Nov 2, 2005 | 05:51 PM
  #23  
jmilz28's Avatar
TECH Addict
20 Year Member
Liked
Loved
Community Favorite
iTrader: (13)
 
Joined: Feb 2005
Posts: 2,716
Likes: 125
From: Houston, TX
Default

Originally Posted by Redneck Z
So nobody knows what makes the MAC's tick?
After mine were first installed, I heard the ticking and went crazy looking for a leak. There was none. We surmised that is was the exhaust gases pulsing through the header tubes. Best guess we could come up with but we couldn't disprove it. More noticeable on mine with the quiet stock cat back in place. Anyway, good headers nonetheless, especially for the money.
Reply
Old Nov 4, 2005 | 09:51 PM
  #24  
Frosty's Avatar
12 Second Club
iTrader: (17)
 
Joined: Nov 2004
Posts: 1,639
Likes: 0
From: Near Philly,PA
Default

Originally Posted by jmilz28
After mine were first installed, I heard the ticking and went crazy looking for a leak. There was none. We surmised that is was the exhaust gases pulsing through the header tubes. Best guess we could come up with but we couldn't disprove it. More noticeable on mine with the quiet stock cat back in place. Anyway, good headers nonetheless, especially for the money.

It's the check valves in your AIR system

...and I love my Mac's
Reply
Old Nov 4, 2005 | 10:02 PM
  #25  
FoxTa's Avatar
Staging Lane
 
Joined: May 2005
Posts: 58
Likes: 0
From: South Jersey
Default

yea i like my macs for the price too. the only problem i had was the ory on the drivers side used to bang, but i wedged some high temp rubber between the pipe and floor board. all is good now.
Reply




All times are GMT -5. The time now is 11:01 PM.

story-0
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-1
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-2
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-3
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-4
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-5
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-6
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-7
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-8
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-9
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