This is Stardust Speedway Zone Act 1 from the Sonic Mania Soundtrack.

Replaces : Unknown (Arcade ver.) / TEKKEN TAG

Place Stardust_Speedway_Act1_P.pak inside "TEKKEN 8\Polaris\Content\Paks\mods" folder

Stardust Speedway Zone Act 1 - Sonic Mania [OST]

I have this as my Main Menu Theme :P Loop is perfect

Leave requests in the comments and I will consider making them!