You could pick these up; they are cheap and have held up over the last three years.
Amazon.com: Amartisan 14 Pc Female E-Torx Star Socket Set/Rail, 1/4" 3/8" 1/2" Drive, E24 External Torque Socket Set : Tools & Home Improvement
I use my GRC manual as my daily and I love it, however people need to have expectation management. It is a car that needs worked to get any enjoyment out of it. Below 3k RPM it has nothing, it needs to be in boost. Even in normal driving you will be downshifting a lot, I like the engagement...
Apparently getting the "loudest pops" is pushing your car to the limit. If you want the loudest pop rev 4th to 6000 and drop into 2nd that should give you the desired pop you want .
This platform is like a light that attracts non desirables. There are like four types of people who own this vehicle (normies, car enthusiasts, jort enthusiasts, or mentally unhinged narcissists)