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I sent a couple of videos of my exhaust system to a friend of mine. He said it sounded tinny. I was surprised. When he rides with me he talks about how deep it sounds(for a 1.5L of course!). I happened to listen to the same videos today on my phone. It did sound tinny. It sounds much...

I bought an Acuity Short Shifter. I had hoped that it would give me precise crisp shifts like the bolt action of a rifle or my faulty memory of what my Porsche 356C had. I was unhappy at how hard the spring was, but it loosened up fine now! It is very precise, but not crisp! I was wondering...

Derek Robinson tuned a 27Won W1 turbo and PRL kit 2860r turbo under similar conditions and did a chart that compared the two with ethanol blend. There was a thread that compared the two with 91-93 octane. I had issues with that thread, but the PRL kit does have a very large hp advantage on 91...

The 27Won turbo has been out a while. The newness has worn off and many have had time to live with it. How about a few brief report cards from some of the people who have been using it. I am especially interested in how the appx 500 rpm loss of power in the lower revs vs stock turbo affects...

I was on a high quality concrete road and was accelerating in sport mode with the TSP Stage 2 tune and E41. The tires started slipping at about 45+ mph in second gear! I have stock all seasons. What good is power if you can't lay it down. I know that better tires would help, but only so much...

I saw Caraddict's video of cutting holes in his fake vent on the bumper for his CAI on his 2016 civic. I tried to do the same on my 2018 Si. There seems to be bumper material behind where I cut the holes. Has anyone done it on an Xgen that is not a 2016? Where, if anywhere, can I cut holes?

@KTuner, I saw a youtube blog called Mighty Car Mods where they put a turbo in a Miata. They used a Haltech ECU and in the middle of the third episode the Haltech engineer was saying that the electronic boost control allowed increased boost in the midrange to improve responsiveness and...

Another new 10th gen Si 1/4 mile record. 11.734 from Vittuned. Hondata the ball is in your court. It is going to be an interesting spring. :popcorn:

I drove home at night and 4 hours later my battery was dead. I jumped my car the next morning and started monitoring the battery voltage. Idling I see that the battery voltage is about 14.4V. While driving I see the voltage drops from 12.3V to 12.5V. I don't get any charging errors on my...

It has been over 15 years since I had my Integra GSR and my clutch technique and memory is rusty. My new Civic Si clutch has a tendency to grab and hence jerk the car upon starting from a stop. I don't remember my GSR doing that. I have had to improve my clutch technique as I clutch with my...

I am in a quandary. I didn’t like the orange peel on my new White Pearl 2018 Civic Si. I was thinking about a light sanding to knock the peaks of the peel down and then to polish the sand marks away with Griot’s Correcting Cream and then 3 in 1 polish. I would then top it off with Power Lock...

In a Ktuner thread a discussion was started about how to drive a turbocharged car. I did have a turbocharged Mazda 25 years ago and I didn't know anything about it. Now I have a new Civic Si. I think it is about time for me to learn how to drive it. I imagine that there are a great many...

I just got my 2018 Civic Si and am looking to buy a Ktuner V1.2 or V2. I am trying to decide which to get. I have several questions that impact which one would be best for me. I guess V1.2 together with TunerView would be a close approximation to the capabilities of V2.0. The question in my...

I see where Vit said that E30 was the "sweet spot". I have a lot of questions about running more ethanol in my tank. I noticed that Vit also sells a Flex Fuel Sensor that he has for running Flex Fuel with tunes. I don't want to install a Flex Fuel Sensor in my car as it require modifications...