chambered exhaust w/headers?
Thread Starter
7th Gear
Joined: Jan 2005
Posts: 7
Likes: 0
From: st. louis
chambered exhaust w/headers?
I searched, and this is probably a dumb question but I am curious, why won't the chambered exhaust just bolt up like the stock exhaust? or will a stock exhaust not bolt onto headers? My mechanical knowledge/experience is limited so would someone care to enlighten me? thanks, John
Last edited by spyderdude; Mar 27, 2005 at 03:59 AM.
Burning Brakes
Joined: Jan 2001
Posts: 1,218
Likes: 2
From: Plainfield IL
Originally Posted by olouieo
One of the reasons I can think of is that not all headers are the same size.
Le Mans Master
Joined: Nov 2004
Posts: 7,186
Likes: 45
From: detroit area
if u need a chamber exhaust, i have a full package never used that i will prolly be getting rid of to get small mufflers.......pm me if interested...they bolt up to dynomax headers...3" collector 3 bolt
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Melting Slicks
Joined: Apr 1999
Posts: 2,010
Likes: 3
From: Moon Twp. PA USA
Header collector location is different, depending upon brand. It is not that big a deal to get exhaust pipes fabed up to connect to the chambered. I used the MAD kit for chambered exhaust and headers. I received lenghts of straight pipe to bend for the exhaust pipe. Not a problem excepet for finding a local shop to do it. All I heard was "that would be illegal" because of my '76. Got some flex tubing, routed it the way I wanted, went to the SAME muffler shop and had them bend the rigid tubing to match the flex stuff I brought in. It seem as long as they are not doing the hook up, but just bending the pipe, they are not responsible. 3+ years and no problem. BTW, the car is exempt in PA because of the Classic plates.
Burning Brakes
Joined: May 2004
Posts: 1,100
Likes: 3
From: belle plaine ks
chambered and shortie headers
I have a bone stock [no cam or big heads] in a 1974. I put mad chambered and shorty headers on. I think I have lost top end power. It's a seat of the pants feeling. I had to go to a exhaust fabricator to make all the hook ups.[including crossover] It does sound nice and it is loud, but no so much in the cabin. I can hear the radio just fine, and there is hardly resonance. It is a 2.5 inch system so I am not restricting it there. The only comment the fabricator made was you will be back for something else and I think he is right. They say that chambered can be restrictive and I think they are right. Comments?
Team Owner
Joined: Feb 2005
Posts: 32,519
Likes: 1
From: central America
St. Jude Donor '08-'09
I have a numbers matching 72 with a 4 speed, and as soon as I save up the money, I'm going for headers. With the cam I'm running on the rebuild, it would be foolish not to. Having exhaust fabricated isn't that expensive, or that technical. I plan on buying a 2.5 inch system from Rik's vet, installing up to the crossmember, and then taking it to an exhaust shop to hook it up the rest of the way. I bet it will cost less then a $100. and if it doesn't I'll figure a way to do it myself. One can make a lot of power on the exhaust side, and if you are going to do it, might as well make the most of it.
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