Should I mod my car? Or should I save up for another one to mod?

So I really want to mod my car but I'm not so sure because j search up online to buy a supercharger kit for example or any mod in general and i can't really find any "specific fit" for it.

I have a 1999 acura tl 3.2 , 175k miles, no mods right now. I have "upgraded" it's interior to make me feel at home lol then now I want to make it a whole lot faster, I saved up a good 3k for a supercharger kit, I'm willing to save up more if it would cost more, but the thing is, there's no supercharger kit specifically for this vehicle so this makes me doubt the car. I mean the car is in perfect condition you can say especially for a 175k mile car. So my question is, should I upgrade my car and if I do what do I add to it?

If not this car, what other car should I get? I was thinking of getting a Honda s2000 , or a miata, cuz those 2 have like a lot of support and much easier to find direct fit parts. I was thinking of a mustang gt as well, but I feel like they are a little "burnt out" I want a car that not many people have and that I can mod little by little to make it a monster lol please help y'all I'm completely lost and I don't wanna end up regretting anything. Thank you!

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