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  1. 1.5T Guide to DIY Flex Fuel Kit for Hondata or KTuner

    I did too when I installed it. Unfortunately it looks like you can't get them as separate parts, they come with the fuel line when you order it.
  2. Best exhaust

    Loving the Borla love on this thread. I can attest, it sounds great (no drone imo) but couldn't give you a comparison to anything except resonator delete.
  3. fuel trims a bit off/shell 93

    I use Shell 93 pretty much exclusively since I got the car at the end of 2017. I will say I do have some injector issues but only when it's really hot (a little jerky under medium load like a fuel injector not firing, usually 95+ weather), but I'm pretty sure the gas isn't the culprit. That...
  4. PRO design grille

    It's honestly not that bad. The clips are annoying if you haven't done them before but you get used to them pretty quick. I recommend two flat heads, put them in on each side and dont try to pry them off but just twist both screwdrivers. Should pop right out, but if they have sand and grit it...
  5. PRO design grille

    Second that. You will most likely break the tabs pulling the stock grille off. Be ready for zip ties and some frustration, but looks good after all is said and done.
  6. The Tuned CivicX Experience & Reliability Thread (for all models)

    Vehicle: 2018 Civic Si Coupe Total tuned time: 24 months Tuned miles driven: 20,000+ Tuning device(s) used: KTuner V1.2 Tunes used: KTuner 19/21 psi, TSP Stage 2 (current) Fuel used: Shell 93 only Additional engine mods: Mishimoto Catch Can, Borla Catback Exhaust Problems/issues: Slight...
  7. 1.5T Guide to DIY Flex Fuel Kit for Hondata or KTuner

    I mean all a flex fuel kit is is an ethanol sensor, signal converter, some wiring, and a tune.
  8. Civic Si Lowering Springs Master Guide

    Softer shocks and lower strength springs provide better comfort. Typically coilover swap would be stiffer shocks and springs so not as comfortable driving. Lowering springs are just a cheaper option to coilovers for slightly better handling and lowered look. Also the stock shocks are already...
  9. Catch Can?

    Haven't seen this... is it under the previously posted thread? I didn't see it and don't see how having one would increase gunk
  10. Catch Can?

    I say it's good to have on any car. Earth Dreams did do a good job with preventing oil going in the intake with their super ventilation future something something system, as oil builds very slowly in the catch can. But some oil is still oil, and I'd prefer cleaner air and less possibility for...
  11. Muffler delete kit?

    Oh for sure. And their welding skills were definitive certified crap. About the worst MIG welds I've ever seen, the only reason I asked them to do it is because I don't have ready access to a lift or MIG equipment, but I know I could've done a better job myself. Either way tossed that thing out...
  12. Muffler delete kit?

    Some shop I went to said they couldn't do it because the pipe flattened slightly before the mufflers and they could only do round pipes. The shops name literally had mufflers and brakes in it and they couldn't do a muffler delete? Honestly I thought it was a bit comical, they did a resonator...
  13. What is the Fastest you have Ever "Theoretically heard" of an Si with a 1.5T going

    147 is the most here, but any higher you will need a lot of room
  14. What type of oil does everyone use?

    Hmm, guess I have some more research to do. I will say I've started noticing injector issues (35k miles) and I only use Shell premium 93 octane. So I don't really trust additives all that much.
  15. What type of oil does everyone use?

    Theoretically the engine is fine with 87 octane and was made to accommodate for it, but low octane can cause pre-ignition and fuel components (key word shitty fuel injectors) to clog over long periods of time. I'd be interested to hear what they say/said to those points
  16. What type of oil does everyone use?

    I mean 87 octane can do it too. Do you not have access to 91 or 93?
  17. Cutting / opening up existing fake vents on front bumper?

    I'm sorry, $320 for two pieces of plastic? Am I reading that right? It's almost cheaper to buy an entire new front Type R bumper. It is cheaper if you go for any color besides white.
  18. SiriMoto or PRL Flexfuel

    DIY is cheaper 👍 (~$250), not sure if Hondata supports the KTuner converter though. Output signal goes to ECT2 on all flex fuel setups so I'm pretty sure it'd be fine This thread explains the whole process: https://www.civicx.com/forum/threads/guide-to-diy-flex-fuel-kit-for-hondata-or-ktuner.17482/
  19. What type of oil does everyone use?

    Summer months I go 5W-30, winter months debating 10W-30 or just 5W-30, all fully synthetic. Amsoil SS is best, but it's expensive. Pennzoil Ultra is next best along with one other I can't remember. Higher weight is better protection, that's what I've learned from the shop I worked at. Unless the...
  20. Civic Si Borla

    Ah okay there is one. Been awhile since I've looked under there lol. Looks good man! Thanks for the input, that description very much matches what I hear on mine.
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