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7 months ago I had a very trusted and reputable performance shop install a clutch on my speed3, I went with the classic Luk+Fidenza combo, well one day last week doing pulls it slipped badly, and still does only in full WOT tho, normal driving is perfectly fine still, I need help on what could...

Was wondering if anyone who has used the spec D headlights on an 10-13 Speed3 with the Tech package, I have the tech pack and the wiring harness for the Tech OEM headlights is different than the harness for the spec D headlights, the harness for the spec D headlights is for speed3's without the...

Misfire when Decelerating, cant notice lack of power, chanced spark plugs, gapped coils, no stalling , no weird rpm jumps or stalls at idle, only thing is, at wot afr hangs around 13ish on accessport, hpfp readings are normal too

Looking for a reliable source for a OEM 2011 front bumper cover, was wondering about this site? https://www.mazdaspeedstore.com/mazdaspeed/Mazda-OEM-BUMPER-COVER--MazdaSpeed-3-2010-2013-p-3559.html

I had a random misfire on stock hpfp internals, so I figured I needed better fuel flow, upgraded that everything is fine with it, still having the high RPM random misfire and it only misfires when Im done accelerating(slowing down) , Im going to change the spark plugs and clean the vaccum lines...