FWIW, I used the method I found on here somewhere - loosen the topmost, frontmost pulley so it can be rotated out to get the belt on. The pulley...
Review of a stock 2010 Mazdaspeed 3 [MEDIA]
Could be the throttle map was changed from the stock profile on the Dizzy tune, so it is more linear, making it more responsive particularly down low.
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