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  1. 2014 - 2018 Mazda 3 OEM Stock Suspension Shocks Struts Springs

    Mazda 3 Parts - Buy / Sell
    This suspension setup is from a 2015 Mazda 3 Sport 4 door with +92k miles on it. I have the original manufacture shocks, struts, and springs. There was nothing wrong with them, no leaks, and they performed well. The reason I am selling these is because I just installed a new setup to lower my...
  2. Line Output Converter to stock radio

    2010-2013 Mazda 3 & Skyactiv Audio & Electronics
    I recently bought a 2012 Mazda3 i Touring Hatchback, first time Mazda owner. I took out the amp and sub out of my old car and went and started installing it in the Mazda3, but ran into a problem. My amp isnt turning on... Using a multimeter at the amp's terminal, i found out that not enough...
  3. Mazdaspeed3 Stock Exhaust

    Mazda 3 Parts - Buy / Sell
    I have a MazdaSpeed3 Stock Exhaust for sale. It is in great shape. No scratches or dents. I had it on my 2010 Mazda3. It is a direct bolt on for the Mazda3 and gives a nice lower pitch exhaust note while not being too loud or droning. This will fit Mazdaspeed3 and Mazda 3's with the dual...
  4. Upgrading Stock Speakers

    2019+ Mazda 3 How-To Guides
    Hi everyone in the UK here I have a 2018 3 Hatchback, just wondering if it's worth upgrading front and rear speakers, just after a better sound nothing kicking,I'm getting too old for that, even though I do like it loud sometimes. Thank you.
  5. 2017 stock muffler from a hatch

    Mazda 3 Parts - Buy / Sell
    After driving a few months with RB I decided to keep it and sell my 8k miles stock muffler. I wanted to keep it just Incase because I am not a fan of the huge tips on the RB but I need to make room. $125 pick up only, located in north OC, CA. Thx
  6. Looking for a guide on replacing STOCK HID lights

    2014-2018 Mazda 3 Skyactiv How-To Guides
    Hi everybody, I've been scouring the forums and youtube all morning. Does anyone know of a solid guide to replace the STOCK HID lights? There are a billion guides for the halogen replacements, but not the HIDs.
  7. Radio, all mids and lows disappeared, stock and aftermarket radio

    2004-2009 Mazda3 Audio & Electronics
    First off, please don't respond with how much or little bass the factory radio and speakers have. My issue is that the mids and low end of sound started cutting out and then completely disappeared from audio. The stereo sounds like its playing through headphones. All speakers are working, but...
  8. Replacing stock horn

    2010-13 Mazdaspeed 3 How-To Guides
    Hi all, my horn seems to be dead. I double checked the fuse and popped a new one in just to be sure. The relay clicks and seems to be working. Unfortunately don't have a power probe or any connectors to test the horn itself, but through process of elimination (fuse + relay is good) I thought...
  9. 2nd owner of a Gen 2!

    New Member Introduction & Forum News/Guide
    Recently purchased a 2011 i Touring. Probably overpaid as it had 128,xxx mi on it, but Carfax shows the original owner had it serviced at the dealership every 3-4 months. Any recommended mods, or warnings about typical issues/maintenance would be appreciated! Enjoy some photos of my stop gen 2...
  10. KONI FSD - more comfort over stock?

    2014-2018 Mazda 3 Skyactiv Suspension & Handling
    I'm browsing all the discussion about the KONI FSD, but I'm not certain on what "better ride" means. My only real issue with the stock setup(2015 M3 sport) is on concrete roads. They have wavy pattern here, so the car is bouncing up-down at 2-3Hz - really annoying . All other cars we have a...
  11. Did any one have a stock ECU XML of Mazda 3 2.5L 6MT?

    2014-2018 Mazda 3 Skyactiv Engine and Performance
    Hi I have replaced my 1.5 Sky-G engine into 2.5 Sky-g engine. And now I want to optimize the ECU tuning of my new engine by Mazdaedit. Any buddy have the Stock ECU XML file of Mazda 3 2.5L? Thanks a lot. :laugh2::laugh2:
  12. How To: New Wheels and Tires for Stock 2010

    Wheels / Tires
    I see lots of threads, but I have no idea what to buy to get the look I want. Simple, it's a stock 2010 Mazda 3 - I want to know what I need to do to fill the gap in the wheel wells. I know I want wider tires to improve the look, but have no idea how to measure how tall I need of and if I can...
  13. New owner here with stock 215 45 18, will 215/50/18 or 225 45

    2014-2018 Mazda 3 Skyactiv Wheels and Tires
    Proud owner so far of a gray TOuring hatch Mazda 3. I must be getting old but the OE 18 tire size is rough. What can I get away with WITHOUT any rubbing? Even the inner black fender liner. Will 215 50 work or is it too rare or will 225 45 work to smooth out the ride. Thanks I’m looking at...
  14. mazda 3 stock to automatic climate control

    Electronics / Stereo Equipment
    Hy, I have a mazda 3 2016 with stock climate control. I woud like to know if their is a update kit to convert it to a automatic climate control like the newer mazda car. Thank's
  15. Trade: 2011 corksport exhaust system 2.5 for stock

    Mazda 3 Parts - Buy / Sell
    I am Selling my car in the near future. Looking to trade my aftermarket Corksport cat back exhaust system with no racepipe for your stock 2011 mazda3 2.5 hatch exhaust. Local only in southern California. Since This is my only exhaust, we will need to meet somewhere so we can swap the exhaust...
  16. Audio upgrades with stock radio

    2010-13 Mazdaspeed 3 Audio & Electronics
    A few months ago we traded my wife's SUV in for a Jaguar XF (which she LOVES). But we now found ourselves in the position of needing a beater car to haul the dogs, make Home Depot runs, etc that she did not want to use her car for and my daily is a Miata. So we picked up our 2006 Mazda3...
  17. Proud new owner of a ms3 first gen

    New Member Introduction & Forum News/Guide
    Sup Guys. Just wanted to introduce myself. I'm Miguel and this is my new girl (below). I don't have a name for her yet, but I'm excited to get to know her. I just picked up this 2007 first ms3 last week. Completely stock everything, with 110k original miles. I've heard that find these stock is...
  18. Shifter Bracket Washers and Stock Airbox Nonsense

    2014-2018 Mazda 3 Skyactiv Engine and Performance
    Didn't see any posts about these so I figured I'd do a little write-up. Bought some James Barone Racing Solid Transmission Cable Bracket Bushings after a friend that knows FWD said that such a upgrade is definitely worth it. After a quick test drive this evening, I agree. Very easy...
  19. Stock air box and lid

    2014-2018 Mazda 3 Skyactiv Engine and Performance
    Hi gang, for those of you with AM intakes, can you measure a few things for me on the oem airbox lid? I need the inlet diameter (inside diameter) in the lid where the MAF attaches. I got an idea.. :nerd:
  20. Do I need to roll fenders on stock springs?

    2014-2018 Mazda 3 Skyactiv Wheels and Tires
    Hello, I recently got a 2018 mazda 3 5 door GT. I do not like how far wheels are sunk in compared to fenders. I am thinking of putting 20 mm spacers in rear and 15 mm in front. Ideally it would have been 15 and 10 rear and front respectively, but I do not want to go through the hassle of...
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