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Brakes & Suspension Forum sponsored by The Tire Rack |
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11-29-2017, 11:59 AM | #126 | |
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Join Date: May 2015
Chapter/Region:
MWSOC
Location: Chicago
Vehicle:2015 WRX Galaxy Blue Pearl |
Quote:
didn't you drive around with front only for a week or two? You did have those bitey, dusty unknown compound pads in for that though.
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11-29-2017, 03:44 PM | #127 |
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Vehicle:2015 WRX Premium Galaxy Blue Pearl |
I drove like a week with fronts only. Hard to say anything about how they worked since I had unknown pads in the front at the time. As far as daily driving goes, it wasn't as issue.
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03-01-2018, 10:33 PM | #128 | |
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Member#: 405454
Join Date: Nov 2014
Location: Canada, Toronto
Vehicle:2015 WRX |
Quote:
I'm not sure if this is of any help how the wheels look inside (not my photos, different mount pattern): http://www.casc.on.ca/forums/showthread.php?t=29936 Is there anyway I can check if they fit before I get the calipers? Last edited by xxa; 03-01-2018 at 10:53 PM. |
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03-21-2018, 09:38 PM | #129 |
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04-11-2018, 10:11 PM | #130 |
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Join Date: Dec 2014
Vehicle:2015 WRX |
Just read this entire thread and it wasn’t clear... will my 2015 WRX braided brake lines work with the 08+ sti brakes (front and rear)?
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04-11-2018, 10:13 PM | #131 |
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04-12-2018, 07:46 AM | #132 |
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Vehicle:2015 WRX |
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05-02-2018, 03:44 PM | #133 |
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Location: Las Cruces/El Paso
Vehicle:2005 & 2008 STi Cobb 20g & EFR 7670 |
Looking at putting some 2015 STi brembos on my 16 wrx. Seems like it'll just drop in!
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05-04-2018, 01:20 PM | #134 |
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Join Date: Mar 2014
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Vehicle:2015 WRX Premium Galaxy Blue Pearl |
Pretty much. The front calipers will need STi bolts. The WRX has a different thread pitch. You'll also need to trim the rear dust shields. You can also replace them with STi OEM, but that it a PITA to do. Other then that, it's pretty straight forward.
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06-04-2018, 06:36 AM | #135 |
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Just got done doing this swap with 2016 STI brakes, front and rear on my 2015 WRX. Wow, what a difference! They were straight bolt on. However as previously mentioned in this thread, you’ll need to trim or remove the rear dust shield. You will also need the rear STI brake lines. The only challenge I had was, I didn’t realize that the STI brakes have two bleeder valves. Once I figured that out all was smooth sailing!
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06-12-2018, 12:30 AM | #136 | |
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How much did you get them for? |
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12-15-2018, 03:25 PM | #137 |
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Front bias
Has anyone experienced front bias with this swap?
I have 2014 black calipers, DBA T3 4000 slotted rotors and Ferodo DS2500 both front and rear. I took the car for lapping days quite a few times and brakes feel and stop amazingly well. When pushing hard, fronts can get pretty hot after a few laps and I installed brake ducts which help with the cooling - I keep stability control off, the pulsating brake actuations from it improve lap times but heat up brakes even more, and I imagine can’t be a good thing for the hot rotors. My problem is that I am changing the front pads 4 times before having to change the rears once. This leads me to believe that the rears are underutilized. Is there anything I can do to improve the setup? Pads, suspension mods, something else? |
12-15-2018, 07:54 PM | #138 | |
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Vehicle:2015 WRX Galaxy Blue Pearl |
Quote:
No matter what you do fronts will always wear way faster. You can’t avoid transferring weight and grip to the front while braking so they’re always going to do more work. |
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12-18-2018, 10:16 AM | #139 | |
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Location: Boston, MA
Vehicle:2016 WRX STage ?? Dirty |
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12-18-2018, 10:27 AM | #140 |
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Thanks for the advice, makes sense. After reading more on the Ferodo website, they do say that on heavy cars under heavy braking the DS2500 last less than the track pads. The fact that I put stickier wider tires (RE71r in 265) did not help. I'll give DS3000 or DS1.11 a try in spring.
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12-18-2018, 10:54 AM | #141 | |
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Vehicle:2016 WRX STage ?? Dirty |
Quote:
https://wheelwell.com/killadawg-09-1...016-subaru-wrx I did upgrade the fluid (which I have changed 2x.. did I mention I might be a little OCD..) best fluid I have found is Castrol SRF racing brake fluid, its prob. better than all the Motuls, stoptech etc.. out there.. it is about 2x the price as well and doesn't have as long of a shelf life, yet it can take some serious abuse!! get SS lines if you don't already, (I also added a Master Cyl. Brace, not sure if it did anything ;-). This is really only if you "really" track the hell out of your car.. if not ignore most of this ;-) |
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12-18-2018, 01:23 PM | #142 |
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Vehicle:2017 WRX DMG |
been wanting to do this, but i have a question about the parking brakes, i have a 2017 wrx, is there any modifications that need to be made to the parking brakes for them to function with the rear sti rotor?
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12-18-2018, 03:04 PM | #143 |
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Vehicle:2016 WRX STage ?? Dirty |
Good question... I swapped out full subframes to STI.. so I can't really say? They looked identical (the rear Parking brake shoes and housing).. it was just easier for me as I also swapped the bushings to hard / almost solid mounts. (This was almost 11/2 ago) I suspect the drum and shoes are prob. The same.. but do ask.. I'm in the process of deleting mine and running a hydraulic hand brake that actuates the rear discs and gets rid of the shoe/pads ebrake and lines. Also getting rid of the power assist on these and running dual slave cylinders (one for rear, one for front)..
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12-18-2018, 03:44 PM | #144 |
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Vehicle:2015 WRX Premium Galaxy Blue Pearl |
They will not work if you have a CVT. Otherwise they should fit fine. You just need to trim the dust shield to fit the larger rotor. Or you switch to STi dust shields, which I do not recommend.
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12-22-2018, 06:15 PM | #145 |
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Do the stock wrx front caliper bolts work on the sti Brembos? Will the stock brakes lines work for just the front?
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04-19-2019, 01:28 PM | #146 |
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Would the STi front braided brake lines work or they have to be the wrx braided brake lines?
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04-19-2019, 02:23 PM | #147 |
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04-19-2019, 04:44 PM | #148 |
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Maybe I missed it but the rears need to be STi lines but ppl are using their braided wrx lines for the front. I wanted to make sure that the front STi braided lines will also fit
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08-04-2019, 09:15 PM | #149 |
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That’s not true the page before in this thread shows a member in brazil that did this upgrade on a cvt successfully. So not sure how you are coming to this conclusion.
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08-07-2019, 10:32 PM | #150 | |
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Quote:
Here in Brazil the WRX CVT handbrake's is not electronic, so the swap for the STI Brembo 4/2 pots (front and rear) is a breeze. I did it in my car. And as already said, the rear dust shields need to be replaced with those of the STI or have the ends cut off. And need to use the rear brake lines of the STI. |
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