You need a Walbro LPFP upgrade. Runs $185. Also a Tmap sensor upgrade. Injectors and HPFP is fine otherwise.
So far i haven't heard of busted auto trannies, but Level 10 sells a kit that strengthens it to 700 hp.

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Styling: M5 body kit, M5 trunk spoiler, LED Angel Eyes, HID fogs, LED side markers, Jehnert Flatline speakers, Mobridge M1000 DA2 prepro, Zapco Z8 DSP, Zapco Z-150.6 amp, iDock on dash
Performance: JB4/G5 ISO flashed on Cobb, Meth Injection, AR Downpipes, ER FMIC and Charge Pipe, DCI, Walbro LPFP, RB turbos. H&R Sport springs/Koni FSD shocks.