Hi guys...

I'm looking to get rid of my stock cat and hook my seven with a resonated mp.

So since I really want like Re-Amemiya's parts... I'm really in for their SD converter

although i'd like to know if it's a resonated mp or more of a high-flow cat!

I know they offer a sport cat which is in other word the high-flow cat, but the SD

converter looks just about the same... so what type of piping is it?

Oh and I did contact Inukai at RE-Amemiya and all he told me was that the SD

converter is to be used on RX-7 without the air-pump.

Feel free to share info with me

Thank you

 

While RE-A parts are DEFINITELY nice, you can get comparable quality with an SMB high-flow metal cat. They also have a high flow cat and resonated midpipe all in one, really nice setup. I believe the SMB's start around $400ish. I LOVE mine.

http://www.smb.net.au/fullexhaustsystems-mazdarx7.htm

Dale

 

I believe you are correct. The SD converter is to be used without a air pump. But I think its more of a high flow cat. Their is another model they make Sports Catalyzer, which has the hookup for a air pump.

http://www.rhdjapan.com/jdm-low/RE-A...D3S-RX-7-30676


Link to the SD converter
http://www.re-amemiya.co.jp/commodit...81f41&scd=7957

 

ok i know this question has been answered many times... but the answers i get from the OH SO GODLY "search button" are somewhat not really answering the question.

So if we came down comparing mp vs high-flow cat vs resonated mp
would you rank them like that? (1 being high and 3 low)

Flow : 1. mp / 2. resonated mp / 3. high-flow cat
Highest sound level : 1. mp / 2. high-flow cat / 3. resonated mp

 

There can be significant differences between high flow cats too. I replaced my stock cat with a Bonez high flow and am not convinced that it flowed any better than stock (boost with stock ECU control did not budge). The SMB high flow that I switched to made a huge difference (but the damn thing will not pass smog). I would not get too hung up on brand names - you will be hard pressed to find a higher quality item than an SMB cat.

 

FEED just came out with a new one.

http://www.pmimarketinginc.com/fujit...es/tune/7a.jpg

I'm hoping it'll pass smog LOL!

 

oh yea i was wonering bout this one as well.... looks unique! with a unique price....lol

its listed 262500 yen on FEED website, i wonder why would a pipe cost that much!

converted to USD = $2382

 

I completely agree, spending $2000 or even anything $1000+ is ridiculous and your just paying for the brand name at that point. SMB has everything you need at a modest price.

Although that feed pipe does look beautiful, only if money grew on tree's.

 

or the ***...

 

Am looking at the new version: https://reamemiya.us/products/fd3s-new-sd-converter
It mentions that it's "Airpumpless/without Airpump" and passed the emission test: "It has passed the exhaust gas test at the Japan Usage Inspection Association."

My 2 main reasons keeping the Air pump are:
1- For my car to pass my registration renewal tests (Emissions Test).
2- For my catalytic not to fail.

Is this my best option?

 

There's nothing special about these JDM "air pump less" catalytic converters. They are intended for pre-1999 FDs, which are regulated by the emissions standards from 1978.
An FD will basically pass these standards without a cat, except you have to have one to pass the visual inspection. They're very loose standards.

99+ cars are regulated based on the 1999 standards, and you basically cannot make it emissions legal in Japan without an air pump. Or so I have been told.

The reason the RE-A air pump less cats (and other similar products) are so expensive is because they come with a fancy piece of paper with your VIN on it, so used ones are useless for another car.
For that reasons, so you can pick them up for about half the price of a new one if you don't care about passing Japanese emissions.
I would recommend buying a used one if you are just trying to clean up the emissions a little bit.
In fact, there's probably no difference between the airpump and non-airpump version other than the paperwork.

I am going to need to get one of these whenever I get around to making my car street legal (bro, it's been 10 years...).

 

Besides paperwork, wouldn't the air pump version of the cat need an inlet pipe/port for the air pump air? The "pump less" version would not need that, unless they sell them all with the air inlet pipe/port and just slap a block off plate on the "pump less" versions?

 

Right, but that's a pretty minor difference. The real difference is probably the testing data they forge for you (none of the companies actually perform a smog test on your car... I'm not sure how that actually works).

 

I was also been told by japanparts.com that you cannot purchase this cat with a non-jdm FD, the VIN/Chasis no has to start with FD3S-XXXXXXX, which makes it a JDM Chasis no and the FD has to be registered in Japan.
I am trying with Blackhawkjapan.com,let's see if RE Amemiya will accept my VIN no.

Also, I've checked that Emission Test Inspection results and it seems here we do not care about HC, my FD makes 100+ ppm!!! but 0.2% with CO and it passed the emission test because of the CO. I wasn't surprised because I know my car is messed up with tuning, I am going for Link G4X and a new cat to fix my issues.
But yeah, my main reason was to pass the emission test but since they don't care about the HC test, I will delete my air pump and have a high flow cat (This REA SD Converter), another reason going with this SD Converter is it's also a silencer, I want my FD to have less noise, don't want no involvements with the popo.

 

You don’t need an RE-A catalytic converter if you don’t live in Japan. It’s purely a legal/testing thing for Japan.

If you don’t need a Japanese “gas test report,” just have someone build you a high flow cat with a resonator. It will probably be cheaper…

 

ironically Colorado adopted the California standards for converters, so getting any converter is hard, and very expensive.

 

The funny thing is that these cats will apparently burn out if you run them on the track, so people really only use them to pass sound and emissions tests.

 

I just got my RE Amemiya SD Converter from Blackhawkjapan, they were able to assist me in getting one and they did a very good job unlike japanaparts.




Basically you need a JDM RX7 which is yours of course, and it went through emission tests in Japan.
RE Amemiya will send you details to fill out:

Orderer (name on vehicle registration):
Telephone number:
Address:
Vehicle registration number:
Chassis number:
Engine model
Year and month of first registration:
Transmission MT or AT:
Mileage:
Inspection end date:
Modifications (engine turbine, etc.):

Once you fill out the above with true details, they'll process your order and get you the REA SD Converter with your Chassis No (VIN) printed on a metal plate on the Converter.

In my case, I have a JDM RX7 half-cut that I purchased, which is used for parts and used it's JDM Chassis No. (VIN), I visited one of the Japan Import Car History Check websites to fetch all history and inspection data about the car and I was able to get valuable information about my JDM half-cut RX7.

Hope this info will help anyone who is interested in buying this Cat.

 

Like I said, you don't actually need any of this stuff if you don't register the car in Japan...

Any generic high-temp catalytic converter will work.

I suppose it might be cheaper than having one built because of the exchange rate, if you don't account for shipping.

 

Yes, but there were not much options for me, the RE Amemiya SD Converter is suitable for my setup, i wanted a sports cat with a silencer, since I deleted my airpump, I didn’t have much options, all I got was high-flow cats that will make my fd loud, and if I wanted a quite cat it would come with an airpump option, so this SD was literally the only option for me. That’s why I went for all the hassle to get it. Aaaaaaand I am an RE Amemiya Freak… so yeah… there you have it.

 

You could have looked for a used one. They're cheap in Japan, since they're basically worthless if it doesn't come with paperwork with your car's VIN on it.
You didn't actually need the "airpumpless" version. You could have just plugged the air port.

 

I just want to correct one thing that you keep repeating, they aren't worthless and the vin of the vehicle actually doesn't matter on the paperwork here, it's the engine code. All brands will put the vehicle vin and engine code on the paperwork, I was gifted an air pumpless cat as someone shipped their car to america and it has no issues with japanese inspection.

Also very common for shops to rent out their catalyzer. Everything else you said is spot on tho, no one in America needs these.

 

I don’t see how you went through an inspection without an air pump unless you have a gas report with your VIN on it. There is a process to “convert” the car to airpump-less, which requires this document.

I recently bought one of these converters. There was a whole process where you have to fax your car’s paperwork to two different places and they also ask what sort of turbo and computer your car has.

They also will not sell these overseas, or if you’re planning to export the car.

It was kind of a pain.

 

To order brand new, yes you need to send your cars information to them, but im telling you with certainty that when you go through the inspection, the vin of the car on the paperwork does not matter, the engine code does.
All catalytic converters follow this, even on yahoo auctions when buying used they will say if they have the paperwork or not. This paperwork can still be used on different cars AS LONG as the engine code remains the same. Be that 13b, rb2x sr20 and any others.

I'm sure the policy is written somewhere (especially to reduce waste) but if you lived in Japan at some point in your life (I am assuming you do live here) you will know that they don't make anything easy when verifying their rules lol.
My friends who own shops here and I have been through many shaken's (inspections), you can use someone else's cat/paperwork with your matching engine, I've never been questioned nor have I heard of anyone else being questioned.

 

I don’t doubt that this happens, but it’s not the letter of the law. Getting illegally modified cars to pass shaken is a whole cottage industry here.

(It’s also much harder to re-register a modified car than it is to simply keep it registered.)

The people who make/sell airpumpless cats are already bending the law, which is that you have to actually do an emissions test on the specific car you are testing, but they skip this part, and as far as I know, they just rubber stamp the paperwork.

Which I think is why they are kind of antsy about selling these things in the first place…

I don’t see they would bother engraving the VIN on the cat if you didn’t need the matching paperwork with your VIN on it to pass the test. At least the first time. Was your car already registered without an airpump? Because if it was, basically any cat would be enough to pass the emissions standards from the time.