Ok, we're going to be a bit frank. When it comes to being a gearhead, California is basically the worst enemy. If someone decides they want more power, there's a good chance that they'll get the book dropped on them. Therefore, people looking to modify their vehicles might want to seek out...
“It is unlawful for any person to engage in, or permit others to engage in, minor vehicle repair or maintenance in any agricultural, agricultural-residential, residential, interim estate and interim residential zones.”
“Using tools not normally found in a residence"???
“Unlicensed vehicle dismantlers operate in the underground economy and do not comply with licensing requirements,”
The going hourly rate for repairs here is $120 on the low end, and $160 at dealerships. Here's my middle finger, California. Come and get me! There's gotta be some kind of a constitutional protection at some point that stops morons from telling me what I can and can't do in my own home.