Weird Exhaust hole question

Valicy · Dec 13, 2023

On the passenger side of my stock 1994 the front plate of the muffler is recessed like 4 inches and there is an exhaust hole pointing towards the front of the car. It looks wrong but also looks stock. It smokes out of it when warming up a bit and the driver side exhaust tip feels much stronger than the passenger one. Is the hole normal? I figure it's like an muffler bypass for wot or something? Can't find anything on it online.

revhead347 · Dec 13, 2023

Do you have a picture?

Kurt

Valicy · Dec 13, 2023

revhead347 said:
Do you have a picture?

Kurt

I'm not at home but I'll post up a picture tomorrow. Weird cause it looks right but just like the end plate is pushed back and it has an exhaust pointing forward. Original owner says it's stock but not sure.

Valicy · Dec 13, 2023

revhead347 said:
Do you have a picture?

Kurt

Here a picture. The exhaust doesn't seem loose or anything wrong with it.

85GTStangGuy · Dec 13, 2023

That's not stock.

Interesting tho.... never seen that arrangement before.

Valicy · Dec 13, 2023

85GTStangGuy said:
That's not stock.

Interesting tho.... never seen that arrangement before.

I was chatting with the original owner and he said he had a torque converter replaced so I'm thinking maybe the shop cut the exhaust to get the transmission out? And put on some weird muffler? Some of the welds on the exhaust are kinda ugly like they were done by a mechanic with a mig welder. The rest of the exhaust system is definitely stock.

AeroCoupe · Dec 14, 2023

That looks like a one in two out muffler installed backwards. Regardless it’s not stock and I would replace it.

Mcmahst · Dec 14, 2023

That muffler has been removed at some point, and the cover (they’re called front and rear in the trade) is missing. Those covers are rolled formed onto the muffler shell, and that one is gone. That short tube you can see is called a tuning tube, meant to control a frequency range by the manufacture. Time for a new muffler, maybe two?

AeroCoupe · Dec 14, 2023

Helps when you look at the picture on a larger screen than your phone. Great info from Mcmahst and got to learn something today on muffler tech.

Mcmahst · Dec 14, 2023

Four years at Walker Manufacturing in the 1970’s. I learned more than I wanted to know.

Weird Exhaust hole question

Valicy

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revhead347

Apparently my ex-husband made that mistake.

Valicy

Member

Valicy

Member

85GTStangGuy

Valicy

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AeroCoupe

lube between the nut and the face. I know my lubes

Mcmahst

AeroCoupe

lube between the nut and the face. I know my lubes

Mcmahst

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Weird Exhaust hole question

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Apparently my ex-husband made that mistake.

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lube between the nut and the face. I know my lubes

lube between the nut and the face. I know my lubes

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