mazdaspeed 3

For the longest now ive been having a cylinder 4 misfire that will come and go out of random. Ive gone through and replaced a ton of hardware( spark plugs/coil packs/wiring harness/fuel injectors and seals/ fuel rail and injector harness/) only time I've noticed a difference of the problem...

Hello! I bought my Mazdaspeed 3 about 3 weeks ago now and I've been loving it, however have just been noticing an unusual problem. Its a 2008 gen 1 model, completely stock, and treated quite well by previous owners. Often after I accelerate quite fast and hit the brakes they feel really stiff...

I've come here as a last resort. Heartbroken over months of trial and error. Recently had the engine replaced, and had put in an Autotech HPFP. She has an HPS CAI and a HKS BOV... I know, it's horrible for the engine, but it came with it when I bought it, and I spent all my resources in...

I am back in the speed 3 game as I picked up a really early 07 a few weeks back. I haven't had a chance to do anything with it yet as I am super busy but here it is! It needs some body work as there is no front bumper cover and the drivers side got hit by some reckless mofo when it was...