“This tune is pretty good. The car is now quick, not fast (compared to my other 2 cars at least). But definitely better then stock. I use my Si as my daily driver and occasional auto cross so it makes it a little faster in the straights, but slower in corners cause of the low end torque (which isn't a bad thing at ALL r32) but theres a lot more understeer. I was able to beat my friends 2017 challenger RT and another one of my buddies HR from a 40 up til 90 when his top end starting pulling. Overall...impressive for this little car and engine to beat ANY V8. I'm a muscle guy with a 2017 Si as a daily and I approve of this tune. Just be careful if you're tracking your car like I am in the corners cause of the lower end torque. Would recommend using map 2 or better tires to handle the torque. I'm on pilot sports that have 4/32's left”
“I’ve dabbled with both the K-Tuner and TSP tunes and I have to say that both tunes are extremely refined. K-Tuner supplies an excellent off the line start for city driving, and TSP pulls hard near the top of the rev range. Both tunes make the car a lot more drivable and provide a greater off the line reaction than the Honda base tune (I have the CVT). Now I can easily jump out in front of traffic without worrying if the car will take off in time. For daily driving, I’ve been utilizing the TSP map one and it provides smooth power delivery in low rpms. However, map 3 is completely bonkers. The car still has some low-end grunt, but the top end is magical. I ended up sticking with TSP because although I enjoyed the fast boost and tire squealing of K-Tuner, I really enjoyed how linear the power delivery is for TSP. The older mustangs with the 4.0 V6 are always surprised when I pull away.”
“I was so skeptical about Tunes and messing with the ECU. But TSP really did change my view on it. Got the Ktuner and the Tune today and uploaded it my car felt brand new! Definitely a big difference from stock! So glad I got and will definitely be ordering from here! My PRL CAI RACE MAF should be here soon and it’s such a great timing to get the tune and the race tune now! 10/10”
“I have owned a few performance cars over the years and even purchased software for those vehicles, but none of them had as much of an impact on performance as the KTuner with TSP Stage 1 tune does on the Civic Si 1.5 platform. This is far and away the best and easiest performance purchase you can get for this vehicle. Easy to load, easy to operate and a huge improvement over stock. This tune completely transforms the car and will provide miles and miles of fun.
Trust me, if you're looking for something that provides a huge bang for your buck, this is the mod you want. Coupled with other bolt on goodies....it gets even better.”
