RomRaider

Hello! I have a 02 WRX with a EJ205 I need a base tune for. Mods list below:

20g Turbo
Dark Blue 565cc injectors
STI Top Mount Intercooler with Y pipe
3in Catless Turbo Back exhaust
Perrin Silicon Intake
Cobb Boost Control Solenoid
Cobb Intake
Stock BPV
Catless Up pipe
Stock headers

I have also attached the map that came with the car. The current issue is once boost builds and the car is around 4500rpm and up, it sounds like it is misfiring or fuel cutting because it sputters at that RPM and above. any help would be greatly appreciated as I am new to this and learning, but this is above my skill level.

Hi, before any mapping consider to check your Fuel Pump and Fuel Pressure, not to mention Coil Packs and Plugs.

Hey 25fxti!

Coil packs and plugs are good, fuel pump seems to be okay, no hesitation on startup, idle, not in boost driving. Fuel pressure I will have to get back to you on. Thank you for the suggestion!

Fuel Pressure is good, I uploaded a tune I found from a different person that worked better than the stock tune on the car. Car is way more responsive but once boost starts kicking in from the 20g turbo, I start getting hesitation from 0.5bar according to the boost gauge. I have uploaded the tune here and will take any insight on what needs to be adjusted but it definitely feels like it needs more fueling. I'm willing to learn and any tools would be helpful. If any more information is needed let me know.

I suppose that you having upgraded fuel pump, right?

uploading tunes is no good, you need to make logs with your wideband and post those up. You could have knock, you could have lean AFR, you could have horrible overboost - noone would know without seeing a good log and the LTV info.

have a read here on how to get started with logging:
https://romraider.com/index.php/RomRaider/IncompleteGuideToTuning