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2015 civic si
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  1. New Member Introductions
    Hey everyone, I'm new to these forums. I got a 2015 si sedan earlier this year, and I have been using this site to learn more about my car and check out everyone else's awesome cars. I'll put a couple of photos of my car down below. I have done a couple of exterior mods to my car as well as an...
  2. For Sale Section
    First time Selling on here these be the rims off my stock 2015 civic si...rims are oem 18X7.75....they are in excellent condition no dents or anything like that. Two have minor curb rash. Not being sold in pairs or individually i need all four gone. Ill box em up today jack! Here you have it...
  3. Mechanical Problems & Technical Chat
    I just bought this vehicle about over 2 months now. Second owner, purchased from a dealership. The first time I noticed the issue after a few weeks of driving since purchased. When it was idle from either cold start or normal driving, there was noticeable backfiring from the exhaust. It...
  4. Forced Induction And Nitrous
    Good morning 9th Gen! So I am currently building up the funds to turbo my 15 Civic Si, while doing so I feel that I am almost at a stand still. So while building those funds, I was thinking of getting a Pod Pillar and start getting the gauges needed. I am currently looking at getting the AEM X...
  5. Coupe
    Wondering if anyone knows of any wings that are of a similar style to the new Type R one that would fit a 2015 Si Coupe. So far I have only been able to find ones for sedans.
  6. Sedan
    Alright. So I've been doing an enormous amount of research and haven't found a thread yet that is dedicated to aftermarket wings/spoilers that fit the factory trunk holes on 9th gen Si's. I have a 2015 sedan and I don't really like the stock spoiler. So I tried ordering a mugen wing but it...
  7. Si Only
    I'm looking to do a few simple things to increase the performance on my 2015 Civic Si I've read that you should change the air in & air out to increase performance. From what I've heard online, I do like the deep sound of the Full Race exhaust, also wanting to add a K&N Cold air intake. Would...
  8. Exhausts and Downpipes
    Hey guys so i'm trying to get a downpipe on my 15 civic si. originally i was going with the skunk 2 downpipe but heard that it really isn't the best out there and that the material that it's made from really isn't that great. again please keep in mind i'm not the one saying or trying to talk bad...
  9. Exhausts and Downpipes
    So after weeks and weeks of research I find myself completely incapable of deciding which of these I'd like to put on my Si. Then I decided to make an account on here and see if I can get any solid feedback from different members who have (or had) both exhausts. First let me compile my reasoning...
  10. Lighting, H.I.D.'s, & Neon
    I put in HIDs and the passenger side keeps going out whenever my lights are left on Auto and I start the car. I put in a relay hoping it would stop but it still happens each time the car starts. I am not sure if its something to do with the car itself, the HID kit or the relay The 2 sides are...
  11. Appearance and Body Modifications
    I have a silver 2015 Honda Civic Si Coupe and was wondering what people thought would look better Red or Black overlays for the tail lights? Blacked out or carbon fiber for the roof or don't change the roof at all.
  12. Appearance and Body Modifications
    Hey everyone this is my first post! I just bought a new 2015 Honda Civic Si Coupe in Silver. This is my first Si, I bought the silver because I have yet to see one on the road and wanted something different then the usual black. I've been looking online for pictures of the same car with any...
  13. 9th Gen Civic General Chat
    if anyone knows the name of this part plz msg me or tell me. need to try and find were i can buy it. the one on my car got messed up.
  14. North-East
    Hi Everyone! I just got my 2015 civic si and joined the forum. Thought it would be cool to find other civic owners in the area.
  15. New Member Introductions
    Hi! I've been lurking for a few days now and since I will be picking up my new 2015 civic si tomorrow I figured now was the best time to join. I had a 95 civic coupe dx for almost 2 years and now that I started a new job and figured I can enjoy a new car. I drive a good chunk for work so I'm...
  16. 9th Gen Civic General Chat
    Hello there wonderful people! :) I recently invested in a 2015 Civic Si Sedan! Great car but I would like to make it my own now. I'm sure you guys get this question a lot but where should I start in regards to performance modifications? I see a lot of talks about a cold air intake but while...
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