Save 25%
Phearable Stage1.5 Ktuner 2017+ Honda Civic SI Stage 1.5 Tune

List price: $199.00  
You save: $50.00 (25%)
By checking this box you agree this item is not being used on a vehicle that is driven on public roads.
Add to wish list

Introducing the Stage 1.5 Honda Civic Si tune for Ktuner.

Compatibility: Compatible with 2017-2020 Honda Civic SI 1.5L Turbo.

- Custom tune with extensive development for use stock vehicles or vehicles with bolt-ons such as intake, intercooler, downpipe, front pipe, exhaust.
- REAL DynoJet results 235 HP 285 TQ on a completely stock Honda Civic si 1.5L turbo vehicle.
- Power Gains: 68 Horsepower 86 Torque
- Optimized Fan Control Parameters
- End User Adjustable Sensor Disables
- Custom Ramped First Gear Boost Limit For Traction
- Full Throttle Shift at 5,000 rpms
- Rev Hang Delete (User adjustable)
- Advanced VSA Settings (User adjustable)
- Optimized Throttle Responsiveness (User adjustable)
- Optimized Throttle Padding (User adjustable)
- Launch Control (User adjustable)
- On The Fly Map Switching (User adjustable)
- 3 Adjustable power levels on the fly using cruise control buttons:
Level 1: Low Boost / ~19.5psi** (207 HP 258 TQ)
Level 2: Medium Boost / ~22psi** (219 HP 269 TQ)
Level 3: High Boost / ~25psi** (235 HP 285 TQ)
*Power level target is the same with or without sport mode enabled.
**Maximum boost pressure target is an approximation, and may vary due to atmospheric conditions and other conditions.

Premium fuel is REQUIRED. 93oct+ recommended QUALITY 91oct at absolute minimum.
Use of lower quality fuel may result in elevated k.con values which will increase knock retard.
If your fuel quality is poor you may add 1 gallon of e85 per fill up from empty to increase fuel octane.

Note: For use with a stock turbo only. An aftermarket turbo will need a custom tune.
This tune is not compatible with a flex fuel kit. You would need our stage 2.5 flex fuel tune to run a flex fuel kit.

Note: All sales are final. If you order the tune for a vehicle other then a compatible vehicle you cannot be refunded.
Tune files are not transferable. Support is provided to the original purchaser only. Tune files do not include any tune revisions or remote tuning.


Customer Reviews:

From: Nicholas K
I am super satisfied with my tune. I have been running tsp stage 1 for about 2 years. But this tune feels completely different. In all the good ways. In my opinion this tune is way more daily driver friendly! And it pulls harder on the top end. With the less aggressive boost ramp my clutch doesn't slip on this tune. I Even got one of my friends to get it too. I highly recommend. This tune. It's a night and day difference and you won't be dissatisfied

From: JP S
Phearables 1.5 Tune for 2020 Civic Si has been great. I have tried other tunes including TSP and while they are not bad Phearables stands out. You can tell by the way the car drives, how it sounds everything, that this tune is different. Its not over the top but the extra power is there when you need it and when it is supposed to be but you are not trading off the comfort of a daily driver to gain a track toy. You really get the best of both worlds. Mellow and easy when you want to be but if you lay into it she will respond with a lot more vroom than Honda every intended you to have. someone spent a lot of time and effort hand crafting every part of what went into this tune and it shows.

From: Danny K
Just received my Ktuner two days ago from with their free tune included & I installed it yesterday. I must say that I absolutely LOVE this tune. Insanely SMOOTH shifting and Huge difference in overall power in the car. Nice smooth gradual boost without it feeling like it's gonna make my clutch slip. 19PSI on stage 1, 22PSI on stage 2, & 25PSI on stage 3. On the fly rev hang disable and the ability to switch stages while driving makes it awesome! I know a lot of people claim that the TPS 1 is the go to (no opinion on TSP tune because I've never had it so I'm not crapping on it) but for me and based on my research the phearable tune was the right choice for me.

From: Khoelle B
I heard several good things regarding the phearable stage 1.5 tune and opted to flash my car with this software after a year of ownership. I encountered some difficulty (mostly self inflicted), however the phearable team was extraordinarily helpful and quick in assisting me with my tune. After getting this all squared away and my car successfully flashed, I must say that this is the best my car has ever felt! The tune feels smoother and is more drivable than the OEM setting and when in boost, the car feels easily twice as fast as before. I could not sing the praises of the team at phearable and this time enough! Simply outstanding!

From: Alberto M
I recently purchased this tune from you guys and I must say it is awesome I love it! Compared to ktuner and the TSP stage 1 tune this map rips in sport mode on the third map. You can definitely feel more power over the TSP tune compared to you guys. And that GOD MODE. Wow!! So much fun!
Thank you so much! My Instagram is @moorelow YouTube video review:

*PLEASE NOTE: For Off-Road Race Use At Sanctioned Events Only.