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Discussion Starter #1 (Edited)
Hi,

Today I received my DBA T2 Slotted Front Rotors & my Power Stop Z23 Brake Pads. :)

My stock brake pads and disc rotors have already approx.16500KM on them, I'm driving lately very spirited, pushing the brakes harder than usual, haven't check if they are worn out completely which I don't think they are since braking still feels pretty much OEM to me. Although on the front left disc rotor I can see a big circular deep "scratching" line on it.

So, the question is very simple should I replace the disc rotors now and have the DBA Rotors and Z23 Brake Pads Installed, or should I wait until i really "need" to replace them?

Thanks for your feedback.
 

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Discussion Starter #3
if you have bought them, fit them

they will feel the same as the OEM ones

waste of money at this time IMO
Your opinion is well appreciated, but I do considered that better disc rotors and brake pads will provide better braking power and less fading. Perhaps it was not necessary to upgrade and buy right now as probably the disc rotors and pads have some life left, but as edited above I noticed a while ago a big deep circular scratch line on the front left rotor, provided picture below (Might not be the best one)
 

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That circular line is caused by small rock or other hard thing which was pushed by the brake pad to the rotor. Nothing to worry about. I would check first how much pad life your pads have and after that decide whether to fit new ones.
 

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Waste of money? No. Brake upgrades are never a bad thing.
Check the brake pad on that wheel. It may be worn down enough to gouge the rotor. Look for damage to the pad also. If something did actually manage to get between the pad and rotor the pad may be compromised.
 

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Why buy parts if you're not going to use them?

You either A: use up the current brakes until they need replacing

Or B: put the new shit on NOW and save the OEM setup (if it's still in good shape) for later as a spare.
 

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@Davidval18 I have a great question, where did u manage to find DBA rotors for the 2014+ Mazda 3? I am trying to find the DBA 4000 or 5000 T3 series for my 2017 and so far nill. @arathol any ideas? I want something with high thermal capacity so if Im driving at high speeds diving deep into the braking zone that I won't have brake vibration and ultimately fade when I need it the most. I might try a track day or two next year at a local circuit just north of me so I need something that is a balance between autocross use and track use. My thoughts were DBA T3 4000 or 5000 series but I cannot seem to find them for my car. For pads probably endless but still considering all options.
 

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Discussion Starter #9
DBA T2 Slotted Rotors and Z23 Brake Pads Installed!

You can find more info on this thread:

http://mazda3revolution.com/forums/2014-2017-mazda-3-skyactiv-suspension-handling/209098-dba-t2-slotted-rotors-powerstop-z23-brake-pads.html#post2145418

@Midnightsky228, prior to ordering and doing my research my supplier told me that DBA does not provide DBA T3 discs for our Mazda's as they are only available for the MazdaSpeed 3. Athough, on "special" order you can purchase Vented Rotors for our Mazda, I think it was the X-Gold, not 100% sure, but for my needs I considered the price and time as unnecessary, therefore purchased the T2 Slotted Rotors.

Feel free to ask me any questions :)
 
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