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Old 12-12-2017, 12:28 PM   #1
KNS Brakes
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Default 2018 STI Brembo Brakes

The pads and rotors used on the 2018 STI are confirmed now so we can prepare for next year. It will take a while to have reasonable parts for these brakes.

I am going to have GiroDisc make 2 piece front and rear rotors.
UPDATE - WE CAN ONLY MAKE FRONTS. REARS WOULD REQUIRE A SHORTER PAD OR GRINDING A LOT OF THE STOCK PAD. NO BUENO

I am going to have DBA make KNS rotors.

UPDATE - ALL SYSTEMS GO - CALL ME IN THE FALL!

Pad choices will be OK - fronts are already out but rears are going to take a bit.
UPDATE - REAR PADS ARE ALL NEW BUT WE SHOULD HAVE THEM IN FEBRUARY



I need to get a set of brake lines as well.
DAMMIT _ AM I GOING TO HAVE TO BUY THOSE TOO?

Rotors

Front - 340mmx30mm and drilled -24.5 pounds. Pad Annulus = 59mm.

The overall height is 54mm but my measurement of that was crude. Just a small change there.

Nice black finish though


Rotors

Rear - 326mmx20mm and drilled -17.5 pounds. Pad Annulus = 54mm.

The overall height is 63.5mm which appears to be unchanged.

Nice black finish though


Front Pads


Rear Pads
It's ALMOST but not quite this.
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Last edited by KNS Brakes; 01-11-2018 at 11:56 AM.
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Old 12-12-2017, 12:36 PM   #2
rexworx
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Very nice!
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Old 12-13-2017, 12:18 PM   #3
KNS Brakes
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I ordered rear brake pads from the dealer and they are backordered until January 22nd.
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Old 12-13-2017, 12:51 PM   #4
Samurai Jack
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So, why drilled and not slotted?

Many are aware of the problem with drilled rotors cracking at the drill points.
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Old 12-21-2017, 06:06 PM   #5
KNS Brakes
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Quote:
Originally Posted by Samurai Jack View Post
So, why drilled and not slotted?

Many are aware of the problem with drilled rotors cracking at the drill points.
I can only assume people still think that drilled = performance.
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Old 12-21-2017, 06:12 PM   #6
KNS Brakes
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The good news is Dan at Mach V verified what pads fit the 2018 STI.

The bad news is that Dan at Mach V Motorsports verified what pads (do) not fit the 2018 STI

I was correct that the D1365 shape fits the front of the 2018 STI and Hawk's version of it will fit. Depending on what you get there may be a wear sensor cutout but that does not matter.

The rear shape is ALMOST the D1366 shape but not so fast. They actually moved the pin holes for some unknown reason so the backing plate will have to be new.

Check it out.
2018 STI rear pad on the right. ISF pad (Hawk HPS) on the left.



And for comparison sake - here is how much bigger the new rear pad is.

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Old 01-11-2018, 11:58 AM   #7
KNS Brakes
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Quote:
Originally Posted by KNS Brakes View Post
I ordered rear brake pads from the dealer and they are backordered until January 22nd.
We got the pads in and they are off to GLoc to get this going.

2018 Subaru STI rear brake pads

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Old 03-07-2018, 09:03 AM   #8
KNS Brakes
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Track pads are now in stock in selected compounds

http://www.knsbrakes.com/c/car-items...ace+Brake+Pads



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Old 04-30-2018, 09:40 AM   #9
Barge
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Do you have any measurements comparing dimensions if these to the older rotors?

Is the wheel clearance to the face the same?
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Old 04-30-2018, 10:05 AM   #10
KNS Brakes
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Quote:
Originally Posted by Barge View Post
Do you have any measurements comparing dimensions if these to the older rotors?

Is the wheel clearance to the face the same?

I did not measure the offset so I am not sure if it is exactly the same.
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Old 05-03-2018, 09:01 PM   #11
MrEngineerGuy
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Any update on a Brake line Kit in the future? I have seen a lot of yes fit no fit on online retailers so far.

Thanks
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Old 05-04-2018, 10:23 AM   #12
KNS Brakes
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Quote:
Originally Posted by MrEngineerGuy View Post
Any update on a Brake line Kit in the future? I have seen a lot of yes fit no fit on online retailers so far.

Thanks
I thought it was confirmed that the '17 lines worked?

-Ken
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Old 05-09-2018, 10:38 AM   #13
MrEngineerGuy
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Thanks for the info!
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Old 05-16-2018, 08:24 PM   #14
TopazM3
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Are there any 2018 STI front rotor options that are not drilled? Mine got heat stress cracking in four track days. I haven’t found anything so far.
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Old 05-16-2018, 09:29 PM   #15
ifearnoevo
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Quote:
Originally Posted by TopazM3 View Post
Are there any 2018 STI front rotor options that are not drilled? Mine got heat stress cracking in four track days. I havenít found anything so far.
http://www.subispeed.com/2015-subaru...i#.WvzazqUpA0M it says they will fit 18 sti
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Old 05-16-2018, 10:35 PM   #16
jamal
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Quote:
Originally Posted by ifearnoevo View Post
They definitely won't. That's the 326mm rotor for 4-pot brembos.
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Old 05-17-2018, 10:00 AM   #17
KNS Brakes
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Quote:
Originally Posted by TopazM3 View Post
Are there any 2018 STI front rotor options that are not drilled? Mine got heat stress cracking in four track days. I haven’t found anything so far.
I have 2 piece Girodisc rotors in stock for these now.

http://www.knsbrakes.com/c/car-serie...+Rotors+-+PAIR












Last edited by KNS Brakes; 05-17-2018 at 10:23 AM.
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Old 05-19-2018, 11:37 AM   #18
TopazM3
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What is the cost for the replacement rotors?
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Old 05-21-2018, 10:02 AM   #19
KNS Brakes
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Quote:
Originally Posted by TopazM3 View Post
What is the cost for the replacement rotors?
I did not get that info yet - but I would guess around $600/pair like most of the others.

Less than OEM 1 piece drilled rotors .
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Old 05-21-2018, 01:55 PM   #20
MORGSY
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Nice upgrade over OEM
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Old 05-23-2018, 09:48 AM   #21
TopazM3
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Quote:
Originally Posted by KNS Brakes View Post
I did not get that info yet - but I would guess around $600/pair like most of the others.

Less than OEM 1 piece drilled rotors .
Thanks
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Old 06-09-2018, 11:37 PM   #22
bloodyBug_
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Is the girodisc still the only other option for rotors so far? Rotors are he only thing keeping me doing the 2018 swap oh my 17 wrx
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