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  1. HPS Short Ram Intake Rumble

    2010-2013 Mazda 3 Engine and Performance
    Hello Forum. Ever since I installed a SRI from HPS performance on my 2012 Mazda 3 Skyactiv 2.0L, i’ve been noticing a rumble when on throttle from 1k-2k rpms. I have a OVTune but it didn’t make the noise vanish which I didn’t intend it to. The only thing i can think of is an air straightner...
  2. 2010 Mazda 3 cold start rumble

    2010-2013 Mazda 3 Engine and Performance
    I have a 2010 Mazda 3 with 40,000 miles on it. It has begun to make a rumble sound, when starting it from a cold start. It ONLY makes this noise on the first cold start of the day...otherwise it starts fine all throughout the rest of the day. There are no problems with anything else as far as...
  3. Exhaust / Muffler Rumble

    2014-2018 Mazda 3 Skyactiv Discussion
    Got a 2014 2.5 GT Tech Hatch. When I'm sitting at a light or in my driveway I hear a rumble/thumping sound coming from the exhaust system. This just started happening recently, almost like a clamp is loose and its banging (and I'm not talking about the noisy sky active engine). Gonna take er in...
  4. Rumble exhaust on the cheap

    2010-13 Mazdaspeed 3 Engine and Performance
    Hey Mazda people. So I really enjoy the deep bass sound of the ultimate racing axle back exhaust. However the price for it isn't that attractive. Getting a resonator delete at a muffler shop makes the exhaust sound too raspy and nasty instead of that solid bass rumble. Is there a way the shop...
  5. Heater Fan Low Freq Rumble - Why?

    2010-2013 Mazda 3 & Skyactiv Appearance & Interior
    Heater Fan Low Freq Rumble - Help!??? My 2010 Mazda3 GS has developed a low frequency rumble from the heater fan. Very annoying. Becoming louder and louder over time. Noise is louder at higher fan speeds. Can be heard over the radio/stereo at low/mid volume levels. Dealer's service advisor...