S2 stock cat and HJS cat questions - Page 4 - RX8Club.com



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Old 10-19-2017, 07:27 PM   #76
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Time for a new problem: what should I do with my old cat?
If thatís a problem you must be living a pretty good life, lol ...
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Old 10-20-2017, 09:55 AM   #77
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Or take my approach. My cat is loosely taped up and stowed in the attic. When I finally decide to sell the car, the OE cat will go back on, and my BHR / HJS pipe will be sold along with several other performance parts.
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Old 10-28-2017, 07:17 PM   #78
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I shoved a small flashlight and it doesn't seem that clogged, hmm, I will have to verify further. If I can't find a problem, I will put it up for sale.

Anyway, here are some pics of the pipe installed since I went back to the exhaust shop to fix another small hiccup:

At some point last week, I noticed a small chirp coming from the rear of the car. It is particularly noticeable if I drop the idle. I eventually got under the car to have a look, and noticed that the hanger and the frame are rubbing against each other(the area in the yellow circle), hence the chirp. The exhaust shop did have to bend the hanger a little bit so it will fit in the rubber boot, so they bent it again so it would stop rubbing against the frame. Sure enough, the chirp is now gone.

Seems like the hanger is not very S2-friendly. If you look at the part in the red circle, you can see the boot has to be moved so the hanger would go in the boot, leaving part of the other hanger protruding. Is that a problem you have, Steve?
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Old 10-29-2017, 10:07 AM   #79
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Actually, yes. I had the same chirp the first time I installed it. I have a 3 pound hammer and anvil, so I just "adjusted" it a bit and reinstalled.
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Old 10-29-2017, 06:45 PM   #80
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It’s the same S1 or S2
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Old 10-29-2017, 09:26 PM   #81
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Actually, yes. I had the same chirp the first time I installed it. I have a 3 pound hammer and anvil, so I just "adjusted" it a bit and reinstalled.
The shop has a blowtorch, so they just heated it and bent it.

I guess pounding works too, but I have misplaced my hammer. It's probably too small for this kinda work anyway.

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Itís the same S1 or S2
But my hanger is just straight up too short. I can understand that it may have got bent a little bit during transportation, but it's kinda strange that this hanger is just too short.

It's not a big deal, but worth mentioning.
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Old 10-29-2017, 11:01 PM   #82
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That’s the difference between what you read (or not) on the internet vs reality. I had to make the same mod on someone else’s S1. It looks exactly the same.
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Old 10-30-2017, 09:50 AM   #83
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We all have different tolerances for massaging aftermarket parts to make them fit. I always assume exhaust parts will require adjustment, so I go into it with tools in hand. Putting a little bend in it was no big deal to me.

Hell, you should have seen the crap I had to go through to get the Roadster Sport midpipe to hook up to the Racing Beat header and muffler on my Miata. Let's just say there are plenty of hose clamps and zip ties involved. The BHR one on the 8 was cake compared to that hot mess.
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Old 10-30-2017, 03:42 PM   #84
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Yeah, pretty much that just goes with the terrotory
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Old 10-30-2017, 07:01 PM   #85
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We all have different tolerances for massaging aftermarket parts to make them fit. I always assume exhaust parts will require adjustment, so I go into it with tools in hand. Putting a little bend in it was no big deal to me.

Hell, you should have seen the crap I had to go through to get the Roadster Sport midpipe to hook up to the Racing Beat header and muffler on my Miata. Let's just say there are plenty of hose clamps and zip ties involved. The BHR one on the 8 was cake compared to that hot mess.
I can't complain too much then. BHR midpipe went on without too much incident. There was no fitment issue other than that hanger, which is trivial.
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