best tuning option for stock sr

[bentmode360]

i have a stock s13 black sr and im gonna buy the z32 maf and i was wondering whats best for tuning taking it to JWT or getting a afc neo and tuning it somewhere else because right now my engine wont rev past 4000

[Finchie]

Wrong section.

inb4 lock

[bentmode360]

oh shit my bad

[koji187]

is the car hesitating? or if you're lucky maybe you've got a 2-step hahah
take it to steve at SR Motorcars