How to Make "X" Horsepower in a Subaru WRX STI
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- Опубликовано: 25 ноя 2021
- This question has been asked far too often so let's talk about it. I put together a few lists for how to make X amount of horsepower for your Subaru WRX/STI. Please note that there are plenty of ways to make horsepower however this is the list I have put together for everyone. Every tuner will tune a car differently as well but this list should get you close to your goals if not exceed them.
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300WHP
Cobb Accessport
Cobb SF Intake W/Box
Cobb 3 Port Boost Controller
Cobb Catted Downpipe
Whatever Catback You Want
Bonus: IAG Air Oil Separator
Exception *2015+ STI ID1050
350WHP
Cobb Accessport
Cobb SF Intake W/Box
Cobb 3 Port Boost Controller
Cobb Catted Downpipe
Whatever Catback You Want
AEM340LPH Fuel Pump
ID1050 Injectors
Cobb Fuel Stumble Fix Kit
Cobb 20G Turbo
Grimmspeed Up pipe (Non EWG)
Perrin 2.4” Turbo Inlet
NGK 2309 Spark Plugs
Bonus: IAG Air Oil Separator / Koyo Radiator
400WHP
If Non Type RA Engines this is where i would advise you stop
This Will more than likely be where your stock clutch starts to slip
Cobb Accessport
Cobb SF Intake W/Box
Cobb 3 Port Boost Controller
Cobb Catted Downpipe
Whatever Catback You Want
AEM340LPH Fuel Pump
Grimmspeed Up pipe (Non EWG)
Perrin 2.4” Turbo Inlet
NGK 2309 Spark Plugs
ID1050 Injectors (Pump Gas)
**ID1300s Flex Fuel**
**Cobb Flex Fuel Sensor (If Going Flex)**
IAG TGV Deletes
IAG Fuel Rails
DIY -6 Fuel line
Aeromotive A100 Fuel pressure regulator
FP Blue Turbo
ETS 3” Front Mount Intercooler
Killer B Holy Exhaust Manifold/ ETS Exhaust Manifold
Iwire Hybrid Maf/SD conversion
If applicable Secondary Air Pump delete
ACT HDSS Clutch W/ Stock resurfaced flywheel
Bonus: IAG Air Oil Separator / Koyo Radiator / Killer B Oil Pan Kit
450WHP
Non Type RA Engines Consider a Built short block
Cobb Accessport
Cobb SF Intake W/Box
Cobb 3 Port Boost Controller
Cobb Catted Downpipe
Whatever Catback You Want
AEM340LPH Fuel Pump
Perrin 2.4” Turbo Inlet
NGK 2309 Spark Plugs
**ID1300s Flex Fuel/pump gas**
**Cobb Flex Fuel Sensor (If Going Flex)**
** If Going Flex consider a Dual Pump setup or a single 450LPH pump
IAG TGV Deletes
IAG Fuel Rails
DIY -6 Fuel line
Aeromotive A100 Fuel pressure regulator
ETS 3.5” Front Mount Intercooler
Killer B Holy Exhaust Manifold/ ETS Exhaust Manifold
Iwire Hybrid Maf/SD conversion
ACT HDSS Clutch W/ Stock resurfaced flywheel
If applicable Secondary Air Pump delete
FP Green Turbo Charger
PLM Up Pipe with 38mm EWG Flange
Tial 38mm EWG
Cobb Tuning Bypass Valve
Bonus: IAG Air Oil Separator / Koyo Radiator / Killer B Oil Pan Kit
500WHP
Non Type RA Engines Consider a Built short block
Cobb Accessport
Cobb SF Intake W/Box
Cobb 3 Port Boost Controller
Cobb Catted Downpipe
Whatever Catback You Want
AEM340LPH Fuel Pump
NGK 2309 Spark Plugs
**ID1300s Flex Fuel/pump gas** (IDC will be around 85%)
**Cobb Flex Fuel Sensor (If Going Flex)**
IAG Fuel Rails
DIY -6 Fuel line
Aeromotive A100 Fuel pressure regulator
ETS 3.5” Front Mount Intercooler
Killer B Holy Exhaust Manifold/ ETS Exhaust Manifold
If applicable Secondary Air Pump delete
Iwire Hybrid Maf/SD conversion
ACT HDSS Clutch W/ Stock resurfaced flywheel
PLM Up Pipe with 38mm EWG Flange
Tial 38mm EWG
Cobb Tuning Bypass Valve
FP Black Turbo Charger
FP 3.3” Turbo Inlet
AMS Intake Manifold
Radium Dual Fuel Pump Hanger
X2 AEM 340LPH Pumps
IWire Hardwire Kit
Bonus: IAG Air Oil Separator / Koyo Radiator / Killer B Oil Pan Kit / Fluidamper Crank Pulley
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My wife associates your voice with spending money. It’s absolutely hilarious lol
We definitely need a video for making power on EJ WRXs
Would love to see one for an fa wrx!
You forgot the biggest tip of all....when upgrading for more power never cut up your stock wiring harness unless you work at iWire 🤣
Just wanted to say I appreciate how much effort you put into this! Can’t have been a small amount of time putting all these lists together and making sure they’re all reasonable for each horsepower goal. Thank you good sir 🙏🏽
Would love to see your take on how to make X power with greenspeed in play.
FYI, every single Cobb product is carb compliant
U forgot the +hps stickers ....
better to leave it stock, or rods come knocking
Thank you man!!
You could spend 30+ hours on forums... or just watch this video. Well done! Kudos for going into detail about injector duty cycle on ethanol, and fuel line routing options. Bravo!
FA20DIT video:
Thanks for the awesome work you do. Seen your old videos but this helps a ton.
Would love to see an fa20 build list. Also love the channel, keep up the amazing videos.
I’m getting Tuned by MachV next month, this video was so helpful as I want more power before the tune! Thank you so much!
Knowledge is power! Thanks Tanner. Great idea for a video and super interesting. Thanks for the tips man!
This video is so helpful, it would be nice if you could make a wrx fa20 video. It would save a lot of time. I’m working on pushing more horsepower but don’t have much time to sit around reading forums. This style of videos is really helpful and I would really appreciate it if there was one for the wrx as well. Thank you and keep up the good work!
3:00
Your channel has been so helpful. Thank you so much. Planning on getting a STI on Christmas and selling my mustang. Thank you again your content is amazing.
I hate and love this channel, it gave me confidence to go into my car and now I’m jus like “mmhm probably should of started small”😂 love your work and motivation, keeps me inspired!