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Evening all! I recently installed the PRL Flex Fuel Kit (amazing hardware btw!), flashed the TSP Stage 2 Tune, and was doing some shakedown pulls. Prior to this, I noticed ethanol percentage would go from 9/10% on 93, which is normal and expected. Occasionally, I would notice it reporting 15+20%...

Just a reminder for y'all to make sure if you run an Intercooler to ensure your clamps are PAST the lips, and not on it! Not doing so had me reattaching these on the roadside or parking lot, on two occasions. Don't make your Si naturally aspirated!

It's weird issue, I think it's just lack of pressure from the turbo, but I'd like to know if anyone else has had this, or has some insight. Seems to only happen in 4th, while on the Map #3 for the TSP Stage 1 tune. Mod list: Ktuner 1.2, TSP Stage 1 AWE Track Edition Exhaust (stock downpipe)...

Hey all! I'm probably being paranoid about my fuel trims after installing the PRL FMIC kit. I see high STFT (+5-19) at idle sometimes, but otherwise it looks okay? I'm including a KTuner log of an idle, ease into first, then WOT through 4th, with cruising after, since I figure that's a good...

Did the PRL FMIC install this weekend, holds boost, but trims are slightly wonky and boost flickers just a tiny bit. Could this be the cause? The left side looks off.

It's okay little buddy, I'm not as fast as I want to be yet, either!

Hi everyone! Thanks for having an awesome community, figured I'd give back with some content and an opportunity to discuss my new 2019 Si Coupe in TYP, and the few more I've put on it. Me and my cruising buddy looking fabulous: Shortly After I brought her home: 27WON Intake, with and without...

Hi everyone! I got my 2019 Civic Si Coupe not too long ago, and other than LED headlights, KTuner, I hadn't added anything to the car. After doing some research, taking a chance, I got the Torque Solutions BOV Sound Plate. I understand VTA can create rich conditions, so I figured I'd bring my...