Great soundtrack, although, I feel like the gameplay could've done with a bit more oomph,
First of all, in my opinion at least, the car was going way too slow by default. It wasn't satisfying to make any of the turns, and it didn't really feel like a chase, more like a "drive slightly faster than the saw at about 5mph". The lighting also confused me a bit, it took 2 deaths to notice the saw since it kind of blended in, although maybe godot was having issues in the web browser if you were using certain versions. My last big issue was that the sharp turns didn't really add much threat or danger to the game, other than showing that the track can curve, it didn't really add anything. Maybe replace them with cool ramps or something.
I do like your use of the theme though, very cool, and every upgrade added a lot.
Seal of gunno approval