If you download the most popular SGP-inspired kit (often labeled "SGP x Raider Klan x Metro Boomin x Waveshaper" on Reddit), you will notice a specific sonic profile. Here are the key components:

SGP’s mixes sound like they are heard through a blanket. Use a low-pass filter (usually set between 8kHz and 12kHz) on your drum bus. This removes harsh digital frequencies.

Owning the sounds is only half the battle. The SGP groove is unique:

The result is hypnotic, almost danceable (it has roots in Miami bass and ghetto house), but dark and introspective.