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  1. 27won part fitment questions

    Intake is different because of the MAF. Strut bar and brake brace will fit. Exhaust could be modified to fit if you really wanted to keep it. Easier if you had a coupe. You're probably better off selling it.
  2. Am I loosing boost?

    Just like @gtman said, running 87 gas on a 93 tune is a bad idea. And you have a blow off valve installed? That's also a bad idea and will make your car run like shit. You should reinstall your factory bypass valve and get rid of whatever aftermarket BOV you have.
  3. What's your SI looking like today?

    P0171 was the code that I had when my injectors failed. The lean condition also damaged a spark plug. 64k miles and just under 5 years old at the time. I believe P0172 is the opposite - rich code. But that could also point to injectors. Even if the lights went away, I'd keep an eye on fuel...
  4. Photographers! Post your civic pictures! Pic Heavy!

    How could you ever fall out of love!? Digging the wheels
  5. What's your SI looking like today?

    Could just be related to the battery. Did you check terminals to make sure nothing is loose? Are you getting any codes from an OBD2 scanner?
  6. 2019 Civic Si (FC1)

    Congrats! I also love my 2019 Si sedan for daily driving duties 😁
  7. 255/35 r18 tires on 18x8.5 +35 rims

    Looking good! 18x8.5 +35 is perfectly acceptable on this platform. I could see CTR owners wanting 9.5-10.5" wide wheels for the power they can put down, but Si is totally fine with 8-9" width. By the way, your car is begging for a chrome trim delete!
  8. Suspension System ADS Problem

    HKS has a nice module that plugs right in-between the main ADS module under the C-pillar. Instead of (4) separate ones that most companies are selling. Haven't had any issues with it so far! But it is pricey
  9. TunerView Freeze -> KTuner v1.2 Pin Diagram?

    What I found helps 99% of the time is to make sure your phone (and any other BT devices linked to your car) have Bluetooth turned OFF prior to turning Tunerview on. If you plan to use Android Auto or Apple Car Play, then: Ensure Bluetooth is turned OFF on your phone Turn Car on Open...
  10. 40 or 45 sidewall on 18s?

    245/35 may be too small. When people are suggesting 35 series tires, they mean to pair that with 265 or 275 width. Rolling diameter of 245/35r18 is only 24.75", more than 1" smaller than your OE spec. Diameter of a tire is a function of tire width, aspect ratio, and wheel diameter.
  11. 27won shift knob update?

    I just used a thick lock washer between the knob and the Acuity collar nut and it hasn't budged. Hit up your local hardware store!
  12. 40 or 45 sidewall on 18s?

    245/30r20 tire rolling diameter is 25.79" 245/40r18 is pretty dang close at 25.72" 245/45r18 is 26.68" You generally don't want to stray too far from OE rolling diameter or else it could mess with things like speed sensors, ABS, and such. And on a car like this, it could lead to undesirable...
  13. Econ On for Learners (6MT)?

    I won't pretend to know the ins and outs of owning a business, but I think you should keep all receipts for anything related to your vehicle. And find a good accountant!
  14. Econ On for Learners (6MT)?

    You can write off a new clutch as a business expense 😎
  15. HFP suspension part# difference

    From College Hills Honda, both part numbers are interchangeable. -101 replaced the -100 version, but I assume there is probably still leftover stock of the -100 version.
  16. Does Sport Mode really do any thing??

    Yup, I don't like the throttle sensitivity either. I do like the heavy steering, though!
  17. Sick ! Morimoto XB headlights Gen II

    Probably better off trying to sell those on the forum 😅
  18. Sick ! Morimoto XB headlights Gen II

    About $400-500 for quality D2S projectors, bulbs, ballasts, and wiring. I paid a company $400 for labor, but you could attempt that yourself and save some $$$.
  19. Sick ! Morimoto XB headlights Gen II

    Eh, not ditching my D2S retrofit any time soon, but this looks to be a great option for anyone wanting LED lights. Digging the amber DRL option
  20. Muffler Delete

    If a muffler delete doesn't leave you satisfied, I think this is what you want: https://prlmotorsports.com/products/2016-honda-civic-1-5t-3-exhaust-turndown


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