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Old 11-14-2006, 05:18 PM   #1
KNS Brakes
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Default Gauging interest for rear rotor and bracket to adapt Brembo STi rear calipers to WRX

I am imploring DBA to produce a rotor that combines the R160 park brake size with the rear Brembo STi disc specs (316 x 20) so that with a bracket and takeoff calipers you may more easily fit rear Brembo's to a WRX (or other similar R160 hub cars)

They are asking for a pretty significant purchase to produce this. I would also need to make a bracket as well of course.

If and when this gets the green light it will take quite some time to produce it. Casting tools take a while. I couldn't even give an estimate other than I am sure it would not be available before Feb 2007.

Is there an interest in this?
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Last edited by KNS Brakes; 12-08-2006 at 11:16 AM.
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Old 11-14-2006, 05:25 PM   #2
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dont you lose your e-brake if you install this because you have to flip the hub around.?
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Old 11-14-2006, 07:05 PM   #3
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Originally Posted by amukaoen View Post
dont you lose your e-brake if you install this because you have to flip the hub around.?
No -

That is the point of making the rotor differently - i.e. the parking brake drum is sized correctly for the R160 hub but the disc specs fit the STi rear Brembo caliper.
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Old 11-19-2006, 02:07 PM   #4
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i would definitely buy it. I am looking at doing an sti rear brembo set up in the next couple months and have not found a cost effective solution to keep my ebrake.
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Old 11-19-2006, 07:13 PM   #5
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doesn't a company or two already make this?

So essentially you'd have to do it cheaper.
TWR's kit is $649 for adapters and 2x 2-piece rotors.

In fact i've also heard the rotors in question can be had from Brembo already. They make a kit with calipers, adapters, and rotors, all setup for the R160 driveline.
I believe basically the calipers are identical to the STi Brembo rears (they even come in gold). Unfortunately the price on this kit is $1400 or so.

If only someone could get pricing from them to sell their adapters and rotors without the calipers? or perhaps just the rotor, and produce the adapter?

just a couple ideas for ya. not puttin ya down or anything. I am definately interested in a bolt-on Brembo setup.
I already run 4-pot/2pots on my WRX, all bolt-on. (I have some of the original japanese-market 2pot rear adapters)
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Old 11-19-2006, 08:17 PM   #6
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TWR stopped producing this kit. I emailed them to order one this week and received the bad news. I for one would definitely be interested in this kit.
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Old 11-19-2006, 09:40 PM   #7
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Quote:
Originally Posted by neko View Post
doesn't a company or two already make this?

So essentially you'd have to do it cheaper.
TWR's kit is $649 for adapters and 2x 2-piece rotors.

In fact i've also heard the rotors in question can be had from Brembo already. They make a kit with calipers, adapters, and rotors, all setup for the R160 driveline.
I believe basically the calipers are identical to the STi Brembo rears (they even come in gold). Unfortunately the price on this kit is $1400 or so.

If only someone could get pricing from them to sell their adapters and rotors without the calipers? or perhaps just the rotor, and produce the adapter?

just a couple ideas for ya. not puttin ya down or anything. I am definately interested in a bolt-on Brembo setup.
I already run 4-pot/2pots on my WRX, all bolt-on. (I have some of the original japanese-market 2pot rear adapters)
We've been down this road 100 times and I am well aware of what Brembo makes.

The Brembo GT rear kit for WRX IS the same caliper as the rear STi kit.

The kit is sold with brackets to adapt the Brembo caliper to the R160 hub and an STi rear rotor that has a insert inside the park brake drum to fit to the smaller R160 park brake assembly.

The kit is $1495 retail - of course you can find someone to sell it to you cheaper by $100 or so.

You cannot get the brackets seperatley from Brembo - and the 'special' rotors are $289 each retail. They also are ridiculously heavy due to the insert. Soooooo I think it can be done better.
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Old 11-20-2006, 07:36 AM   #8
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ah. so if TWR's out on making a kit (didn't Godspeed at one time?), and brembo won't sell the adapters seperately (i think i've heard that before), than it does sound like there's a need here.

So you'd just be looking to offer a kit with rotors and adapters? Sounds like a very tuner-friendly approach. Especially if the price could come down to earth a bit more (say $200 or less for adapters, $2-300 for rotors), then it would sell like hot-cakes.
EDIT: What do DBA oem-replacement STi rotors cost for the rear? might that be close to the final rotor cost perhaps?

The rotor design specs are easy enuf to come by (just a stock sti rotor dimensions, but with a smaller inner hat diam.), but the adapters would be quite a task i think too. I thought about doing it for the oem 2-pot caliper adapter backwhen i had mine before Kartboy started making them.
Just never had the guts to manufacteur a brake-related part.
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Old 11-20-2006, 09:06 AM   #9
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Quote:
Originally Posted by neko View Post
ah. so if TWR's out on making a kit (didn't Godspeed at one time?), and brembo won't sell the adapters seperately (i think i've heard that before), than it does sound like there's a need here.

So you'd just be looking to offer a kit with rotors and adapters? Sounds like a very tuner-friendly approach. Especially if the price could come down to earth a bit more (say $200 or less for adapters, $2-300 for rotors), then it would sell like hot-cakes.
EDIT: What do DBA oem-replacement STi rotors cost for the rear? might that be close to the final rotor cost perhaps?

The rotor design specs are easy enuf to come by (just a stock sti rotor dimensions, but with a smaller inner hat diam.), but the adapters would be quite a task i think too. I thought about doing it for the oem 2-pot caliper adapter backwhen i had mine before Kartboy started making them.
Just never had the guts to manufacteur a brake-related part.
Sorta easy - rotor tooling is mega bucks, takes forever and you have to buy a big pile...the relative size of the pile is going to keep the price up at close to $350-400 per pair - but thatt's still less than whats out there by $200+.

Brackets at $200 should be doable - the bracket is nearly identical to the 2 pot adaptor - in fact if I apply some logic about Subaru backing plates and calipers it seems the bracket should be the same. (2pots bolt on R180 for use w/ gravel rotors....STi Brembo's bolt on R180's....2 pots bolt on R160 w/ adaptor....?????????)

gotta go -
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Old 11-20-2006, 11:37 AM   #10
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I'm happy finally we have a vender willing to step in take initiate. i know lots of people have rear brembo, but can't doing any thing without brakets and rotors.

A plus for wrxbrakes
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Old 11-20-2006, 11:45 AM   #11
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I hope something becomes a reality out of this thread. I'm dying to throw those rear brembos on my car.
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Old 11-20-2006, 11:58 AM   #12
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If it happen, maybe the vender can set up a group buy.
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Old 11-20-2006, 07:32 PM   #13
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Hmm.. i have wondered that too. Whether the adapter for the 2pot was the same as the brembo's.... or how close it was exactly. I didn't know the 2pot oem's will bolt to an r180 and line up with the smaller matching vented rotors (on the gravel setup), i thought they just used an R160 driveline, or a special backing plate that was different.
Hmm... i'm interested to test that out.
Can anybody confirm or deny that? I already have adapters for oem 2pots. I'd sure as heck be down if all i had to buy was special rotors and some brembo rears.
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Old 11-20-2006, 07:52 PM   #14
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Quote:
Originally Posted by neko View Post
Hmm.. i have wondered that too. Whether the adapter for the 2pot was the same as the brembo's.... or how close it was exactly. I didn't know the 2pot oem's will bolt to an r180 and line up with the smaller matching vented rotors (on the gravel setup), i thought they just used an R160 driveline, or a special backing plate that was different.
Hmm... i'm interested to test that out.
Can anybody confirm or deny that? I already have adapters for oem 2pots. I'd sure as heck be down if all i had to buy was special rotors and some brembo rears.
http://www.wrxbrakes.com/images/DBA_...ru_fitment.pdf

p/n 656 says Gravel rotor for R180 - my logic could be flawed because it makes sense and if you have a wagon like Ido you know that everything is oh-so close..
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Old 11-20-2006, 08:33 PM   #15
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all my research has lead me to believe that the brackets for the subaru 2-pot and brembo rears are/would be nearly the same.
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Old 11-21-2006, 10:59 AM   #16
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Applying more logic....would a Brembo rear caliper bolt on to the rear of an 06 WRX? Me thinks so....

Still need the rotors though...
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Old 11-21-2006, 11:06 AM   #17
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i don't think so, cuz kartboys sell adaptive brackets and they said it will not bolt on to sti rear brembo.
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Old 11-29-2006, 08:35 PM   #18
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bump I am interested
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Old 11-30-2006, 12:11 PM   #19
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Free Bump.. For WRXBrakes!

We need these to be made! w00t!

-Kelz
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Old 11-30-2006, 12:45 PM   #20
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as a consumer, i'm all for these. it's a great product. however, objectively, i wonder if it'll be profitable. what you're talking about is basically the same as the twr racing kit, a kit they've decided to stop making. the only difference is that it won't be a two piece rotor.

good - you can use your e-brake because the hat will be steel
bad - not two piece

maybe it could be sold for less than the twr racing kit? why would this kit be more profitable than the twr racing one? sorry, i'm kind of just blurting out what i'm thinking. i think that the group of people who wants this kit is still small. brembo rear calipers are pricey and not easy to come by. i think a lot of people interested in upgrading their brakes will just go the way of the red wrx two pot.
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Old 11-30-2006, 01:07 PM   #21
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Well - I don't expect to sell millions - but..

It should come in a little less than the TWR kit - I expect the much higher cost of 2 piece rotors to them was an issue - but I dunno.

There are quite a few Brembo rear kits out there on R160 cars - they will need rotors at some point.

There are more than a few totalled STi's and nothing goes to waste - doing a R180 swap is pretty pricey/painful if you are just doing it to put the Brembo's on.

I would hope to sell a few matching front rotors to go along w/ it as well.

It's not the kind of thing TireRack would push for - but it may benefit my 2 bit operation - ande DBA has had requests for this before. They are certainly specifically interested in being strong in the Subaru market as they have always been.

We shall see I suppose.

The 2 pot rear setup still requires adaptors - and new rotors - it ain't exactly cheap to put those on a WRX.
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Old 11-30-2006, 01:11 PM   #22
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the adapters we make are close but they do not fit. i might be able to change them a little bit to do both. not positive.
the main reason why we didnt pursue it any further was the rotor issue. personaly i think the sleeve inside the OE rotors is very dangerous. sure it might work for a parking brake. so will leaving the car in gear.... what happens if you actually need to use the E brake?

maybe we can work something out with WRXbrakes and put together a package? who knows.
if you want to email me please do.

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Old 11-30-2006, 01:21 PM   #23
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i see what you're saying, and here's what i'm thinking...

your ideal market is someone who wants more performance (or looks) than just the red two pots. and, that someone doesn't want to deal with the r180 swap. also that someone doesn't want to pay new prices for the stuff of he/she could get the full kit from brembo.

it just seems like a narrow market to me. for sure two pot reds will be easier and cheaper to obtain from junkyards, esp. as time goes by. maybe i'm missing something? are the brembo rears a big step up from the two pot reds?
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Old 11-30-2006, 01:36 PM   #24
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The Brembo rotor weighs a ton - and has an insert - and cost $289/each.

Red 2 pots match neither bias nor 'looks' with the Brembo front brakes - and I suspect each and every Brembo caliper has found a home on a WRX etc.

I've been wrong before - hopefully we'll get to find out.
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Old 11-30-2006, 01:39 PM   #25
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haha, gotcha.

well, i just wanted to share my thoughts. i hope they are put into production, and you make lots of money.
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