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  1. Scuffing Driver Side Plastic Solutions

    Does anyone else scuff this part all the time? Any time I'm in a small parking spot or I'm in a rush I hit this part with my shoe. I've tried cleaning it off with water and a rag but can't get it to come out. Any idea what cleaning products are safe on this plastic that I could use? And anyone...
  2. Hiccups Under Low Load

    So about 500 miles ago I started noticing my power would dip randomly under low acceleration, right now I'm at 32k. It only happens at about 20-30% throttle, and is very slight but definitely there. From how quick it occurs I'm thinking either injectors or spark. No lights come on or error...
  3. Trying to Find Civic Owner with Front Decal

    So awhile back I saw a post on Instagram of a Civic with a really cool front decal between the grille and the vent for the intercooler that honestly fit perfectly. Unfortunately I completely forgot to bookmark it so I can't find it, but I really want to replicate it. It looked similar to the one...
  4. Sold: FS: OEM Gloss Black Si Grille

    Selling OEM Si grille from a 2018 Si coupe, with Si emblem and "eyebrows". Been for sale for awhile just didn't realize there was a classified section on this forum. Like new, just cleaned, the eyebrows are never used, they came with the honeycomb grille I ordered (they're also gloss black)...
  5. 93 Octane TSP Stage 1 vs Stage 2

    I feel like I know the answer to this but just want some verification: I went TSP stage 2 awhile back but am rolling back to regular 93 octane fuel. Should I spend the $80 on the stage 1 tune or will the stage 2 tune on 93 be equivalent? I'm guessing no because the stage 1 was optimized for 93...
  6. Odd Popping Sound After Catch Can Install

    So I just finished fabricating a mounting plate for a Mishimoto catch can and installed it in my car. Ever since then I've started noticing a popping sound when the engine is running on idle while sitting in the cabin. It's more pronounced and louder when the weight is transferred forward (on a...
  7. Ethanol Flushing with Flex Fuel

    So last time I went to the dealer (25k miles) for regular maintenance after taking a drive to Florida and for preparation for another Florida drive (I don't really have time to regularly rotate tires, change oil and filter, etc during the semester), they suggested an ethanol flush to keep the...
  8. Civic Si Borla

    I used to have Borla's on my old cars, and now I finally got the Borla exhaust for my Si coupe, gotta say once again I'm not disappointed! It sounds absolutely beautiful, nice and bass-y, cracks and pops off the throttle and when shifting, no drone or rasp, and it's loud! Low throttle sounds...
  9. Custom Upholstery thoughts?

    I’m just curious if anyone has done any custom upholstery? Personally I’ve been looking at leatherseats.com, one of the things that bothered me a lot about the stock seats was the cloth. While it tends to heat and cool quicker, I find it harder to clean and easier to get dirty, and I personally...
  10. Black Friday/Cyber Monday Deals! 2018

    Hey all! I started this post to see if we can get all the deals we've found for this year's upcoming Black Friday and Cyber Monday sales in one place! So far I've found: Two Step Performance (through 11/26) - 10% off PRL Motorsport Products...
  11. Civic Coupe Mud Guards

    So I’ve been noticing my car will get so much muck on the paint from the wheels so it’s about time I get a mudguard. I’ve been looking at this one by Pro Civic...
  12. VitTune or TSP Tune?

    Trying to decide who’s tune to go with in the near future. Currently running 23 psi basemap from KTuner, about to finish purchasing parts for my DIY Flex Fuel kit (just need the KTuner converter and sensor), and soon afterwards will be getting an FX350 clutch kit. Any suggestions on which tune...
  13. Borla Exhaust for Si?

    So I’ve been waiting to upgrade the exhaust on my Si coupe because I really want a Borla exhaust. It can be hard to make a 4 cylinder sound nice without making it obnoxious, but on my old Miata it sounded amazing. Any idea when/if Borla will be coming out with an exhaust for the Si coupe...
  14. Fixing Tire Scuffs

    So as you can see here, these low profile tires don’t do too well with curbs. Unfortunately within the first few weeks of owning the car and getting a feel for its dimensions I’ve scraped a few curbs here and there. This tire scuff isn’t causing any leakage but I want to at least glue it back...
  15. SiriMoto’s E85 kit + Hondata FlashPro Questions

    So back in the end of last December I got my brand new Si coupe, and so far I have loved the car. Great looks, great power (compared to my old stock engine 1998 Miata), great features, I just love it all. But now I’m looking to upgrade, and I’m liking the look of SiriMoto’s Flex Fuel kit and...


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