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  1. 2007-2009 Mazdaspeed3 Discussion
    I have a 2009 Mazda 3 S Hatchback. in about 30-50 thousand miles I am planning on swapping a 1st gen ms3 engine and tranny into my 3. What parts are interchangeable and what are things that arent. So far on my list that i will need -engine -transmission -engine accessories (coolant res...
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