2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Help me Identify this exhaust, please.

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Old 02-09-09 | 11:12 PM
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Help me Identify this exhaust, please.

So I picked this up from an importer who didn't know what it was either.




Only numbers/tag on the whole system



The cans look like the Kakimoto single system that someone had for sale on here, but the logo isn't stamped on the side. My friend said it looked like the cans from his AW11s old TRUST exhaust, but we've seen pics of the old and new TRUST exhaust for the FC and they have round cans.

The mufflers are also HUGE. They are significantly bigger than the APEX'i cans shown in pic 2.

The tubing is all mild, but the main mufflers and tips are stainless.

Anyone have any ideas? Is there a way to look up the JASMA certification #?

Thanks.
Old 02-09-09 | 11:38 PM
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The cans kind of look like the one's on my exhaust (I never identified it either , I just assumed it was an old Racing Beat) but the tips on mine are a bit longer (same style though) and my piping is all different. Hopefully someone can identify this one, since ours probably come from the same manufacturer.




Old 02-09-09 | 11:42 PM
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What r u doin with that exaust on the black vert? Also what is on the black vert?
Old 02-10-09 | 12:32 AM
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Originally Posted by BurntOrangeT2
What r u doin with that exaust on the black vert? Also what is on the black vert?
It was an APEX'i dual, and I just sold it.
Old 02-10-09 | 10:36 AM
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I did some googling and that "JASMA" is a tag in japan that signifies the exhaust is approved for street use and is not a brand. I couldn't find anything using that number stamped on it. Any other markings on it?
Old 02-10-09 | 10:46 AM
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JASMA, sincere approach to the problem of environmental noise, high performance mufflers for automobiles, JASMA the standard system, to meet the main legal restrictions on vehicle and traffic law and safety standards for road transport vehicles, cars on a voluntary basis Check your local noise, KURIEITEIBU corporate organizations work to promote the automotive aftermarket muffler for high performance while considering the social environment noise.

** translated from a quick google on jasma
Old 02-10-09 | 11:03 AM
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kinda looks like the HKS I have. THe little y-pipe muffler is exaclty the same! Only mine has cans on it
Old 02-10-09 | 06:21 PM
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that exhaust looks clean! and it probably sounds similar to a racing beat too. im curious as to the make and model too...post a sound or video clip of it soon. i love to hear beautiful sounding rotaries haha
Old 02-10-09 | 06:48 PM
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Originally Posted by Twins80s
kinda looks like the HKS I have. THe little y-pipe muffler is exaclty the same! Only mine has cans on it
I think it is an HKS, check out this guy's old exhaust (3rd pic) in this blog:
http://infini-fc3s.cyberosity.com/bl...S-CatBack.html
Old 02-10-09 | 08:34 PM
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From: San Luis Obispo, CA
Originally Posted by rksti89
that exhaust looks clean!
It took some elbow grease to get it looking that good. here's what it looked like when I got it



Originally Posted by need RX7
I think it is an HKS, check out this guy's old exhaust (3rd pic) in this blog:
http://infini-fc3s.cyberosity.com/bl...S-CatBack.html
Thanks!

Given the style of the tip (double wall with the diameter change right at the edge) I may have to take this as the best answer. I'm guessing it's what we both have, just different versions. It would be awesome to find an old HKS catalog or something to be sure. Maybe we should contact that guy.

My friend is shipping out to Japan in March. When he gets there I'm gonna have him do some searching too.

If people have more info/input, please share! I'll try to get sound clips when I get my flange leaks addressed.
Old 02-11-09 | 11:21 AM
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Originally Posted by HotRodMex
It took some elbow grease to get it looking that good. here's what it looked like when I got it





Thanks!

Given the style of the tip (double wall with the diameter change right at the edge) I may have to take this as the best answer. I'm guessing it's what we both have, just different versions. It would be awesome to find an old HKS catalog or something to be sure. Maybe we should contact that guy.

My friend is shipping out to Japan in March. When he gets there I'm gonna have him do some searching too.

If people have more info/input, please share! I'll try to get sound clips when I get my flange leaks addressed.

Yeah, I did a bit of digging this morning and it does appear to be an HKS. Enjoy!

I used that same header paint for my exhaust. Looks good! Be sure and bake it or it will flake off. Also, ever thought about wrapping it?
Old 02-11-09 | 06:14 PM
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Originally Posted by jjwalker
Yeah, I did a bit of digging this morning and it does appear to be an HKS. Enjoy!

I used that same header paint for my exhaust. Looks good! Be sure and bake it or it will flake off. Also, ever thought about wrapping it?
Care to share your source? Just so I can see too.

The VHT cures with the heat from the exhaust. Idle for 10 min, cool for 10 min. Idle for 20, etc. I didn't do the 30 min idle, but I did some light driving and then let it sit for a day. I'm not going to bother wrapping it. We'll see how it holds up.
Old 02-11-09 | 11:32 PM
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Here --> http://www.rhdjapan.com/jdm/HKS-Lega...da-RX-7-52623#

That particular muffler is for the FD but strikingly similar to the cans you posted above, just with a different inlet pipe.
Old 02-12-09 | 07:03 PM
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Looks like an updated version of the original HKS 60mm FC catback exhaust HKS use to sell. The original catback was the same muffler cans and tips and no other resonators,i.e. just y pipe going to the mufflers. It was also just aluminized mild steel ,both piping and muffler cans.
Old 02-12-09 | 07:09 PM
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Originally Posted by The Griffin
...the original HKS 60mm FC catback exhaust HKS use to sell.
Do you have any pics of this? Did it look like my exhaust (pics earlier in this thread). I haven't had any luck googling that.
Old 02-13-09 | 10:54 AM
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I would paint the cans too with VHT. From what I have seen and experienced, mufflers with riveted shells tend to rust out. Of course I'd also leave the tips chrome (although I painted mine with VHT).
Old 02-13-09 | 07:41 PM
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From: San Luis Obispo, CA
Originally Posted by jjwalker
I would paint the cans too with VHT. From what I have seen and experienced, mufflers with riveted shells tend to rust out. Of course I'd also leave the tips chrome (although I painted mine with VHT).

The cans aren't chrome, they're stainless.
Old 02-13-09 | 10:54 PM
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Originally Posted by HotRodMex
The cans aren't chrome, they're stainless.

Nevermind then
Old 02-14-09 | 02:51 AM
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that cat delete that you have in the back round is a ebay brand? did it fit fine?
Old 02-14-09 | 09:25 AM
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Originally Posted by mario1386
that cat delete that you have in the back round is a ebay brand? did it fit fine?
I believe that is just a y pipe silencer.
Old 02-14-09 | 02:13 PM
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Originally Posted by mario1386
that cat delete that you have in the back round is a ebay brand? did it fit fine?
It is ok. Though there is no opening into the center, it still has the pipe running through it like it's supposed to use the air injection (the two little pipes sticking out the sides, if you look down the resonator you can see it go through the center of the flow path and back out the other side!). Plus, those little pipes are too long and bang against the heat shield on the car. Also, the flanges aren't welded, and don't seal all that well. I'm going to mess around with mine because I already bought it, and I have access to a welder, but I'd recommend something else if you have limited resources.

If I knew how easy it was to reach the manifold flange, I would've just gotten the bonez pipe.

All in all, for me it was a cheap diagnostic solution (my pre-cat disintegrated and messed up my main). If you want a "good" one, I'd buy this


http://www.car-sound.com/02product/d...niversal=14106

Yeah, Magnaflow makes mufflers that look like cats now but I can't find one for under $200.
Old 10-18-09 | 12:16 AM
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wow im so stoked even though this is a dead thread, i just wanted to say i also have the same exhaust and for the past ooh 9 years have been trying to figure out what it was!
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