OMG, I hate Exhaust Leaks!!!
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Supreme Member

Joined: Jan 2001
Posts: 7,164
Likes: 1
From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
OMG, I hate Exhaust Leaks!!!
OK, this is like the 3rd exhaust leak I've had with the TES headers. Anyone have better luck with different brands? Now I have to replace the donut gasket, and it's supposed to be raining tomorrow and I'm leaving to go back to college tomorrow. It's gotten to the point now when I rev it up high there's a small backfire sound, sounds like crap. Sorry I just had to vent.
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Joined: Oct 2001
Posts: 1,712
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From: Midwest City, Oklahoma
Car: '87 Z
Engine: 355 in the works
Transmission: 700R4
Sorry man... what kinda gasket is it? One of the reasons why I think the MAC exhaust looks interesting, it all bolts together, no gaskets needed I'm pretty sure... not quite sure how that works though...
Thread Starter
Supreme Member

Joined: Jan 2001
Posts: 7,164
Likes: 1
From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
It's a round donut gasket that goes on the driver's side where it connects to the cat, on the other side it just bolts using flanges, one time a bolt came out and that was another one of my leaks.
MAC makes headers??
MAC makes headers??
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Joined: Jul 2001
Posts: 1,766
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From: New Palestine, IN (Just East of Indy)
Car: '85 Z28
Engine: 305
Transmission: WC T5, 3.23 posi
You might want to try replacing the donut gasket with a copper or aluminum one. They can usually take more stress, and usually don't have to be replaced for a long time.
Thread Starter
Supreme Member

Joined: Jan 2001
Posts: 7,164
Likes: 1
From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Thanks, how do I ask for one, I asked for one for my car '86 Camaro and the one they gave me was just slightly to small. Could I call summit and they have it?
Supreme Member
Joined: Jul 2001
Posts: 1,766
Likes: 2
From: New Palestine, IN (Just East of Indy)
Car: '85 Z28
Engine: 305
Transmission: WC T5, 3.23 posi
Summit would probably have it, and if they don't you could try jegs. Out of those two I'm sure you could find the right one.
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