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Old 06-09-2006, 06:21 AM   #1 (permalink)
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Corsa Ti exhaust Q's- leaky? (and Callaway honker done!)

Hi guys!

I finally got my car back from the dealer on Wednesday- it turns out instead of just changing the one leaky diff seal, they basically rebuiilt the diff- I see 7 (!) seals on my work order, sheesh. I wiped it down totally clean tonight, so we'll see if it leaks again.

I finally got around to installing my Corsa Ti exhaust, and my Callaway honker.

The honker installs like a dream- everything just falls into place, and fits better than factory, IMO. Very well done, and fully worth it. I had to buy a pop riveter to join the air box with the shroud.

The Corsa Ti went on with a lot more work. Removing the stock exhaust without cutting it was a beyotch! I couldn't get my jack to lift high enough, so I resorted to using wood to space it up- yuck..

When I started it up, the Corsa sounds awesome (street mufflers). Like how it should sound from the factory!
The popping/gurgling seems to be gone- the true H pipe probably fixed it I assume.

Here's the minor problem- I notice it isn't sealing well where the H-pipe meets the first muffler, and at one of the cat-to-H-pipe joints.
It's not a terrible leak (most of the exhaust goes out the back), but you can feel it with a bare finger.

Would it hurt anything to run around with a minor leak for awhile? It doesn't seem to affect the noise level at all.

And is there a good non-permanent fix for the leaks? I saw a Corsa Ti done with a bunch of silicone sealant, but once dry, I know that stuff will be near impossible to remove, never mind actually trying to disassemble it...

Thanks!

-Dave
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Last edited by saki302 : 06-09-2006 at 06:24 AM.
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Old 06-09-2006, 06:29 AM   #2 (permalink)
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Did you use new gasgets?
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Old 06-09-2006, 06:52 AM   #3 (permalink)
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Old 06-09-2006, 02:56 PM   #4 (permalink)
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Gaskets?!?! The Corsa Ti simply slips together and uses flat clamps which are tightened with a single nut. I've seen guys who put silicone all over the joint, then all over the underside of the clamp too- presumably to seal it all up!
Just wondering if there's another way, or if it's better to leave it as is.

I'll get some pics up in a day or two- I haven;t pulled it out of the garage yet

-Dave
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Old 06-09-2006, 04:27 PM   #5 (permalink)
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I took a few pics for you guys- it's hard to see much with the exhaust since I don't have a lift to get under there- I took two phoots of the tips for you.







-Dave
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Old 06-09-2006, 07:48 PM   #6 (permalink)
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I don't know how much room you have, but I have had real good luck with these band clamps. They seal great if you use a impact gun on them. Most auto stores have them now.

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Last edited by Speedratchet : 06-09-2006 at 07:50 PM.
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Old 06-09-2006, 09:17 PM   #7 (permalink)
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Intake and exhaust look good.

Alex
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Old 06-10-2006, 01:14 AM   #8 (permalink)
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Hmm.. I'll keep ane ye out for those clamps. The clamps they give to grip pretty well, I think it migth be an issue with it being an old exhasut. Some of the connections look a little warbled from going on and off. Kinda stuck with a used one now if you want to go Corsa Ti...

I took it for a spin- it really sounds nice- great angry sounds above 3000 rpms!

-Dave
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Old 06-12-2006, 11:38 AM   #9 (permalink)
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You could always put a little sealant on the joints after it's installed, that way you'll be able to get it apart again.

I had the same system (Corsa Ti Street) and the joints all leaked a little, nothing too bad. No issues with performance or setting codes, etc.
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