Tune Your Honda Civic Si with KTuner (Step-by-Step Guide)

In this video, I show you exactly how to tune your 11th Gen Honda Civic Si (2025) using a KTuner V2. Whether you just picked one up or you're thinking about tuning, this is a full walkthrough — from connecting the unit to uploading a custom tune from a dealer. The tune I put into the car is from Two Step Performance. If you end up buying a Ktuner from them. Tell them I sent you!!!

Ktuner Glass Suction Cups: https://amzn.to/40xTB45

⚠️ Disclaimer: This is for off-road use only. Make sure you understand your local laws and warranty implications before tuning.

📈 In this video:
KTuner V2 setup and first-time connection
How to upload and flash a dealer tune
Quick tips for a smooth process

🛠️ My 2025 Civic Si Mods List:
Performance:
PRL High Volume Intake: https://amzn.to/4jLYzlP

Lighting:
LED Trunk Light White(Lasfit LT10): https://amzn.to/3ZQ4eyU
Smoked Reflectors: https://amzn.to/4kEzEAm
Tail Lights: https://amzn.to/3Fn5PW7

Black Accents:
Black Handles: https://amzn.to/4jLYzSR
Glasses Holder: https://amzn.to/4kxMZKA
Steering Wheel Cover (Black): https://amzn.to/4hyGmqE
Black Antenna Cover: https://amzn.to/415TGN7

Other:
Acuity Shift Knob: https://acuityinstruments.com/collect...

15% Off Auxito: Lights, Tire Inflators and More Car Accessories
Use Code: DDS15
https://auxito.com/DDS15

💬 Drop your questions or tuning experiences in the comments — I try to reply to everyone.
👍 Like the video if it helped you, and don’t forget to subscribe for more Civic content, mods, and race coverage!

📲 Follow me on IG for updates: @daledoesstuff

#KTuner #CivicSi2025 #11thGenCivic #TuningGuide #HondaMods #CivicBuild #Acuity #KTunerV2