Except for a few exceptions (Mini) the SCCA has been classing cars based on "Best of Breed". So the least capable example is lumped in with the most capable.
Right I should have been more clear. In Stock class you can replace the shocks/struts, including using adjustable as long as they use the same mouting points. You can also replace the front, but not the rear swaybar.
Springs & Bushings are not allowed to be changed.
You can get a cat-back exhaust and a high flow air filter, and any DOT approved tire that fits on the stock wheel size & in the wheel wells.
How about seats?
For the MZ3, I'd probably stick with stock cuz they're so nice for that sort of thing. But can you change your seat into a Sparco seat or something?
Not in stock class but I'm pretty sure it's allowed in STS or a prepared class (SCCA). Good to know it's going into GS. I don't have to buy new numbers now.
A rivalry with MZ6 owners?! I'd probably ally with the MZ6's to compete against our other rivals:
BMW Mini Cooper
Celica GT/GT-S
Hyudai Tiburon
Honda Civic, etc etc etc.
A forum community dedicated to Mazda 3 and all Mazda vehicle owners and enthusiasts. Come join the discussion about MazdaSpeed performance, modifications, classifieds, troubleshooting, maintenance, and more!