2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums banner


  1. N/A MZ3 MODS Don't say get a Speed 3 or should've this thread is for the N/A Peeps!

    2004-2009 Mazda 3 Performance & Mods
    Starting this for the N/A 3 peeps who are tired of reading through forums where someone always chimes in with you should sell and get the Speed 3 or you should've gotten the Speed 3. Lets see everyone's N/A mods, 1/4 mile drag slips, headers passing emissions, you name it lets have some fun...
  2. 06 Mazda3 -2.3l Sudden Drop mileage

    2004-2009 Mazda3 Discussion
    Hi All Within one tank of fuel my mileage went from 29-30 to around 20/21mpg. I have tried everything I can think of to correct the problem without any effect. What I have done so far : 1) Replaced spark plugs - The old ones looked OK, no unusual build up. 2) New Filter 3) New MAP sensor...
  3. anyone running high octane (91+ US or 97+ european) in the non turbo 2.3L

    2004-2009 Mazda3Appearance & Interior
    i was wondering if anyone is running higher than the recommended octane in the 04-09 2.3L mazda 3 motors? i am looking for feedback on this as i seem to find something odd. when i put 93 in on accident last fill up, it seems to be a bit more responsive and seems to be getting better mpg.i have...
  4. HOW TO: seafoam your mazda 3 2.3L motor

    2004-2009 Mazda 3 Performance & Mods
    i used another how to on anther forum, his pictures were bad and missing and description sucked so i will try to make mine clearer. I AM NOT RESPONSIBLE FOR ANY DAMAGE YOU DO TO YOUR OWN CAR things you will need: at least 1 foot of 3/8 rubber hose 1 can of seafoam and a few minutes of your...
  5. SRS Exhaust Melted Bumper- What I did to Fix

    2004-2009 Mazda 3 Performance & Mods
    SRS Exhaust: Just Short Enough to Melt the Bumper: :( Fabbed up this metal piece to shield it from some heat: As you can see it already took a toll on my bumper :( Still was melting it a little so I took some 4" pipe cut it into 2 pieces, took the 2nd piece notched it then welded it...
  6. New Here, Need Advice

    New Member Introduction & Forum News/Guide
    Hey everyone, I'm new to this Forum. I am looking for help with finding the right parts to order for my 2006 Mazda 3s GT Sedan 2.3L. I have a CAI and Cat-Back on already. I am looking to purchase the Vibrant Headers and Tes/Race Piep next but I cannot find a Test/Race Pipe that fits on my...