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Discussion Starter · #1 ·
Hi everyone,

Well last year I replaced the front pipe with a Bosal pipe.
Now I can't pass my inspection because the rest of the exhaust is a little too leaky.

I opted for a full Walker Exhaust with their Walker SoundFX muffler.
I ordered it complete from Rock Auto for a little more than $400,
including a new catalytic converter.

I'll let you know how the install goes and maybe posts some sound clips !!
It should all arrive in the next 10 days.

Does anyone know what size bolts hold the pipes together ???
 

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I know on my 92 EGT the pre-cat bolts were 16mm and the ones at the exhaust mani flange were 14mm along with all the others.

hope that's what you wanted to know if not I'ma sound like an idiot.
 

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Discussion Starter · #3 ·
That's kinda what I wanted to know.
Was it the head of the bolts that was 16 and 14 mm ??
I have access to a very large assortment of hardware
so I am just gathering some of the hardware I will need
to get this done in just one shot.

I am going to try and assemble the pipes into 2 parts,
and then install them into the GT.
Cat -> Extended pipe, and Muffler.
Should make for a very interesting afternoon.
I also got a can of PB Blaster for the old Converter bolts.

In the worst case, my Fein Multimaster will do the trick
of cutting the bolt heads off quick !
 

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oh ok I see, well you're gonna want an assortment of extensions, like a 3 inch 6 inch and 10 inch, the exhaust manifold nuts are either 13 or 14mm now I can't remember, but one or the other prolly 14 since it's a mazda motor, then the bolts that hold the exhaust on the engine that bracket are 14mm's, the bolts that are right after your flex pipe the pre cat bolts are a 16mm and after that they're 14mm's

ok hope that helps ya out man, they can get pretty rusty so get a hack saw or cut off wheel handy!
 

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Discussion Starter · #6 ·
Finally got the exhaust in today.

I haven't had the chance to drive it yet.
It sure sounds a lot better than the leaky stock exhaust for sure.
It is a little raspy when cold, but tomorrow I will get to drive it
and warm it up good.

The install was pretty easy.
I only had to cut the intermediate pipe before the
junction with the muffler pipe.
The rest came out in one piece from the converter back.

I didn't have 16mm bolts for the front of the cat
so I used 14mm I had and it seemed to work well.
Everything was in-line before I tightened the snot out of it.
 

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ok so your EGT had a little different exhaust stock than mine I'm sure, mine had just 2 16 mm bolts the rest were all 14mm

good job though! yeah escort GT's sound a tad raspy when you rev em up, I THINK it's cuz it's a 16 valve engine instead of an 8 valve. but they sound great with a nice deep exhaust! I have stock exhaust except I took the resonator out and put an otto racing muffler on, sounds good and deep I love it, a slight rasp from 3,500 rpm up but that's ok it's not ANNOYING and tinny sounding.

you should do a video of your exhaust! I need to get one of mine lol

yeah also that's good you got it all in there then tightened it up so it's all nice and in place, sounds like you know what you're doing!
 
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