Jdm v7 brembo brakes on 2003 wrx - Subaru WRX Forum
 
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post #1 of 5 Old 07-13-2014, 08:07 PM Thread Starter
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Jdm v7 brembo brakes on 2003 wrx

I'm hoping someone out there will know what extra parts I will need to do this conversion,
I can get a hold of the JDM calipers rotors knuckles bearings all made for a 2002-2003 wrx.
Will I need anything else to bolt this on a 2003 wrx?
Thanks
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post #2 of 5 Old 07-13-2014, 11:47 PM
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I believe the fronts will bolt right up but the rears will need an adapter bracket which kartboy makes.

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post #3 of 5 Old 07-14-2014, 05:01 AM Thread Starter
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The guy selling them says I will need different axles and other parts
But he won't say what other parts
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post #4 of 5 Old 07-14-2014, 01:45 PM
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@Darind ,

They should be drop in with the parts you mentioned plus the kartboys rear 2 pot adapter. Are you swapping OEM calipers for Brembos and do you have any aftermarket brake parts already installed?

While your in there you may as well to steel lines and please do a vacuum bleed rather than a traditional bleed. It makes a huge difference especially when your talking about someones old calipers that have been exposed to the humidity in the air.

A couple of things to keep in mind when swapping for larger more powerful calipers, They typically will require more volume of fluid to actuate the caliper and in most cases will increase the pedal travel over stock. I think the 03 WRX comes with a pretty over sized master cylinder already so you will probably be OK. just keep it in mind if the pedal feels like its got too much give. you can always swap for a larger master cylinder but you'll be looking at a 3rd party if you want to go bigger than the Subaru MC.

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post #5 of 5 Old 06-04-2015, 11:51 AM
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H6 rear upgrade w/ performace rotors and pads all around are all the brakes you will ever need on a WRX unless you race competitively. i say competitively becuase this set up is even good enough for once a month track days. i honestly cant believe the difference this small mod makes. i only wish i did 100-0kph tests before to have real numerical comparisons.

i know thats not an answer to what you asked, but just chiming in to save a fellow tuner some $$$. i did the upgrade and rotors/pads for all 4 wheels for under $500. you really dont need to buy brembo's unless you race competitively everyday and are extremely hard on your brakes. and u wont need to upgrade your MC

but if you really want brembo's, i believe what boo-key said to be accurate. fronts should bolt right on. you need 17" rims to clear them (some 17"s rub but its rare). rears need an adapter from kartboy. i have never heard of anyone needed axels just to swap on brembos. but i guess anything is possible...

also this
http://forums.nasioc.com/forums/show....php?t=1432536

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