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Last week I received this fearsome document. I'm a Massachusetts resident and the recall applies to me. Without complying with the recall, I won't be able to re-register my Speed3. Apparently Massachusetts has reciprocity with California law. This recall converts my OBD to California...

Yesterday I received a bunch of paperwork from Mazda with the above fearsome title. It is easy enough to take the car in and have the half hour of work done. If I don't do it, I won't be able re-register the car in Massachusetts, even though this work brings the car into compliance with...

In about 50 years of automotive speed engineering, there is one thing of which I'm absolutely certain from personal experience: almost all cars have gearing that is very wrong for obtaining maximum performance. I have completely transformed the performance of Mercedes Gullwings, supercharged...

I want to install the factory sport exhaust in my Mazdaspeed 3 to complement the CAI, which has been very successful. However, I'm reluctant to change the exhaust without ever hearing the system. Has anybody in the Boston area installed the exhaust? Could I have a listen? I would really...

On the last page of the Mazda CAI installation instructions, there is a worrisome note that says if you're going to encounter deep water, take off the CAI and reinstall the stock system. There is no indication of what "deep" means. Driving rainstorm? Two-foot puddle? The factory note says if...

I have a new Mazdaspeed 3 in which the factory CAI has been installed. I am considering also installing the factory "sport exhaust". 1. The CAI filter is low to the ground. Has anyone reported damage from water getting into the induction track, such as by splashing from a puddle? 2. I am...