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  1. N1 3” exhaust - used - good condition

    For Sale Section
    Hey what’s up. I’m fairly new to forum and from Ft Worth. Letting go of previous 3” exhaust 12-15 si (from my 13 si sedan) inspected by Honda dealership and said it is in good condition but needs a new exhaust gasket (the one that connects exhaust to DP) (it’s a $10 part lol) I just got a...
  2. Just installed a Borla 11828 axle back exhaust,need advice

    Mechanical Problems & Technical Chat
    Hello 9th gen Civic family . Had my 2014 Honda civic LX for 4 yrs now. Finally giving her a well deserved makeover . Today I took out the stock exhaust and installed a Borla axle back exhaust. Didn't have enough $ to get a cat back so I got this one .NICE so far but was wondering , if I could...

    Exhausts and Downpipes
    Hi everyone, I just want to know your muffler modification to your 8th gen civic. Because I'm planning to change my muffler anytime soon but I don't want it so loud. Where others could definitely notice the sound a lot from the inside. Because my girlfriend don't want me to change it but I do...
  4. Recommendations for my custom exhaust

    Exhausts and Downpipes
    Working on getting a custom exhaust rolling for my 2015 Honda Civic coupe r18. I like the borla spitfire exhaust. I'm getting that and a Megan racing down pipe probably, don't know much about resonators.. k don't want droning to occur, looking for a nice deep tone. Any recommendations?
  5. Turbo exhaust combos

    9th Gen Civic General Chat
    Hello guys I was just wondering what exhaust everyone is running with turbo. I’m planning on boosting soon and I want something that is not too loud. Please send turbo exhaust clips. I really want to hear what a turbo with ktuned exhaust sounds like.
  6. Exhaust rasp or heat shield rattle?

    Mechanical Problems & Technical Chat
    Hello! I recently installed a Full Race catless downpipe and a 3" Yonaka exhaust. From 2,000 - 2,500 RPMs, I get a distinct 90's Honda, grinding aluminum, $50 eBay exhaust rasp. Has anyone else tracked down a rasp for certain RPMs window and eliminated it?
  7. PO2 Exhaust Leak After Downpipe Install

    Mechanical Problems & Technical Chat
    Hi everybody! History: I have an AEM CAI and the person before me deleted the secondary cat and welded (very poorly) a 3" home-made exhaust to it. I tuned with Steve at E-Tunez with my FlashPro and was very satisfied with the result. I recently ordered and installed my Fullrace Catless...
  8. Injen Axle-back Exhaust - $150 pickup, + $50 shipped

    For Sale Section
    Injen Axle-back Exhaust - $100 pickup, + $50 shipped Selling a great condition Injen Axle-back exhaust (SES 5179). This exhaust has 10K miles on it. I am converting my Si back to stock with plans on selling it. The exhaust has a throaty sound - but not obnoxious. The install is super easy -...
  9. Full Race 3" Catback Exhaust

    Si Only
    Hey guys, I purchased my 2015 FB6 almost a year ago and I'm ready for my first big mod. If anyone has a Full Race 3" Catback Exhaust used for sale let me know. I'm in Maryland, but can drive around the DMV area if there's anything available.
  10. Would a ktuned axleback bolt right up to a Invidia N1 2.75" piping?

    Exhausts and Downpipes
    Just curious but would the ktuned 2.5" axle-back or any axle-back simply bolt right up to Invidia 2.75" piping? Or would modification be needed, as the axle back was made for the OEM exhaust? Just genuinely curious, don't plan on replacing the N1, but i'd just like to know what my options are...
  11. Cutting/Welding Invidia Q300 to fit Coupe

    Exhausts and Downpipes
    Long story short, I got my hands on a brand new Invidia Q300 catback for a steal of a deal (friend totaled his veh before installing it, he's fine, car not so much). Trouble is, I have a 15 Coupe Si and this one is for a sedan. I did a test fit on it 2 nights ago, and by the looks of it...
  12. Exhaust help!!

    Hi all, Just joined this site! awesome so far! I have a '13 Honda Civic lX 1.8L Sedan ... I am looking to upgrade the catback system on the car. I am on the wait list for a Tsudo system but it won't be able to ready until end of May. Are there any alternatives for my particular car that...
  13. (heat tape on exhaust?) What do you guys think?

    9th Gen Civic General Chat
    Hey everyone! So, I was just browsing for parts for my 13 SI coupe earlier this week. I came across a skunk2 exhaust system for $100! plus $25 shipping. I jumped ahead and bought it of course. My question is, the guy who installed it put heat tape on it. Should I keep this on or does it really...
  14. Skunk2 Megapower RR Exhaust Issues

    Downpipes and Exhausts
    Hello all, I'm creating this thread for people who experience problems with this particular exhaust. I've recently installed it, but it's not 100% proper because I'm using the stock catalytic converter bolts, rather than the longer bolts skunk2 sent me. The bolts on my catalytic converter are so...
  15. New to The Si World

    General Maintenance
    Hi everyone, I just recently got a red 2012 Civic Si Coupe. I have a couple questions if anyone can help me with please. First, these are my plans I have listed so far: Invidia N1 Catback Exhaust ...(because I love the deep tone, look, and the loudness of it) Coilovers ...(not sure what to...
  16. First time modding a car, need help

    Hey so this is my first post on this site, I bought a 2013 Honda Civic LX Sedan 1.8L a few days ago and want to do some things to it. So far all I have done is put door sills on the car, which I don't think even counts as a modification. I plan to get new 18" rims for it, which I don't know the...
  17. Buddy Club Axle Back

    Exhausts and Downpipes
    Haven't found much on here about the Buddy Club axle back exhaust. Seriously considering buying this, really like the way it sounds from a few vids I found on youtube. I am wondering about how loud it is. Its hard to tell from the videos how loud the exhaust actually is. If anybody out there...
  18. Si Exhaust on LX Coupe

    Hey everyone I own a 2015 Civic LX Coupe and was thinking about getting an invidia q300 for it. I've only really seen them on Si's but was wondering if it would still fit on my LX... And yes I know I should stick to 2.5in piping but the q300 really caught my eye.
  19. Please HELP!!! Exhaust

    9th Gen Civic General Chat
    I'm looking to replace my stock exhaust on my Si. I was wondering what you all recommended. I don't want anything too loud but I want my car to be a head turner. So far I am looking at the Greddy Supreme SP, the K tuned exhaust, Full race exhaust, and the Skunk2. What do you all think?
  20. K Tuned 3" Cat-back Exhaust (SI)

    Downpipes and Exhausts
    Hello All, Just wondering if anyone one is running the K Tuned 3" cat back on their 9th Si (FB6) ? If so, any opinions/complaints ? I am looking at getting an exhaust soon for my 12 Si FB6 and like the look of this exhaust. Plus from what I have heard on Youtube it sounds pretty aggressive...