In another thread you mentioned:
".......It starts around 4k and goes all the way up to 7k in every gear. I think I fucked up the clutch in all honesty because I used to ride it and accidently grind gears. I'm at 40k miles. Getting it checked tomorrow. I'm prepared to spend some cash on new clutch etc. My first manual car. But I drive it fine now. It must of gradually gotten worse over time."
In light of that observation, I'd suggest you perform a simple clutch test.
Set the emergency brake (real good).
Put your car in second gear.
Rev the engine to about 3,000 rpms.
Slowly let out the clutch and see if it makes that noise ..... before the engine stalls.
If it makes that noise, it's a good chance it's clutch related.
If the engine doesn't stall ........ plan on buying a new clutch......
humfrz