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  • CivicX

    Thuseefc - Mugen Si - valved exhaust retrofit progress - page 47

    By Thusee

    Hey guys, My names Thusee and from Toronto area, I'll be documenting my build thread here in hopes it helps/aids anyone attempting to do similar modifications. Some of you may be following my build already on instagram: THUSEEFC I am also the NSX tech at my acura dealership so hondas/acuras is my go to specialty and if anyone needs assistance with anything feel free to ask away. My is FBO with www.27won.com products, all other products 99% primarily... Thuseefc - Mugen Si - valved exhaust retrofit progress - page 47

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  • CivicX

    [WOLFBOX × SEMA 2026] Take a Look Inside Our Booth! New Products, Surprises & More!

    By Wolfbox

    Hey everyone! SEMA 2026 is officially underway, and we're bringing you the first look at what's happening at the Wolfbox booth! Take a Look Around Our Booth! What Do We Have on Display? We've brought 20+ products to SEMA, with plenty to explore, from familiar favorites to exciting new products. Check out some of our most popular... [WOLFBOX × SEMA 2026] Take a Look Inside Our Booth! New Products, Surprises & More!

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  • CivicX

    Decoding the CAN BUS

    By Frapuchini

    I've been thinking about building a CAN BUS sniffer to decode the CAN BUS. Has anyone here been able to play with the vehicle's CAN BUS? Any tables with CAN BUS commands or anything available? I'm interested in potentially doing an engine swap. I don't want to completely obliterate the stock electronic systems since I'm not making a race car. I think that what is holding the 10th gen civic platform back is the lack of understanding of all the electronic systems. I want to use some of my... Decoding the CAN BUS

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  • CivicX

    J's Racing FK8/FL5 Mats $190

    By lrk322

    Excellent condition. For the Driver's mat, I did not want to cut into the carpets for the spikes, so I added these plastic pieces to work with the OEM mounts. You can see in the photos that they fit fairly well for an Fl5, but a slightly different size plastic clip needs to be used for the right mount. For an FK8, it'd make sense to just leave the holes and use the spikes most likely. I bought three or four different ring sizes from Amazon but never got a chance to try them before I sold... J's Racing FK8/FL5 Mats $190

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  • CivicX

    A thread for 10th Gen Civic Blank Switches (Poverty Buttons)- Show me your blanks

    By Asubtledagger

    I have a 2016 Honda Civic LX. The Blanks ( or Poverty Switches) have inspired an idea. I found a listing on Ebay for this particular dual button that could fit in a leftover blank slot I had. The top button has been wired to my DRL's White cable for the blue light effect vs white. Originally, I had to manually lift the hood and plug/unplug that cable from my headlights and I didn't want to drive around with that blue light effect either. I simply routed that cable into my firewall and into... A thread for 10th Gen Civic Blank Switches (Poverty Buttons)- Show me your blanks

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  • CivicX

    My fully built Civic Si complete list of modifications

    By Builtfc1

    Car dyno’d 431/360 ft lbs of torque @E60 on 10/2023 tuned by Derek Robinson @IMW Motor: TSP short block assembly, Saenz Performance series rods, Yes block was balanced. Billet boundary oil pump gears Tsp head stud kit Brian Crower steel springs/retainers 27won 4 Bar map sensors Bolt ons: Prl FBO, Prl Big turbo kit, Garret 2867r gen 2 turbo, Catless dp, Prl V2 front pipe, Full race Exhaust, Prl Race maf Cobra Cai, Prl FMIC, Prl Flex fuel kit, Hondata Denso Fuel System upgrade, oem FK8 lpfp... My fully built Civic Si complete list of modifications

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  • CivicX

    27WON Brake Upgrade Diaries

    By Vincent@27WON

    Hey everyone, Creating this thread to share the brake upgrade path for my 2026 Acura Integra Type S. While not an FK8, all the components I am going to install from 27WON will fit under the FK8, FL5, & DE5 all the same. Given the same underpinnings, I thought it would be helpful to post here as well, as a resource for everyone else. I'm going to share some detailed pictures of the parts themselves, help answer some more technical questions you guys might have, and share my personal and... 27WON Brake Upgrade Diaries

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  • CivicX

    Brake Replacement needed or wait?

    By fuhongl

    2016 Civic. During oil change, shop said my rear brakes need replacement - they say rear is at 4mm, front at 7mm. I don't feel any abnormal issue for braking during driving. Any comments? Must I replace now or can wait? I don't drive much probably like 5k miles /year.

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  • CivicX

    High FK7 STFT/LTFT - Why tho?

    By FK7Boi

    Okay, so my FTs have always been about -3/ST, -7/LT in winter and about -7/ST and -10 /LT in the warmer months. ABOUT being the key word. Ever since I changed my coolant my FTs have been -10/ST and -17/LT. Sometimes the ST will spike to -14 upon acceleration, but settle ls down to around -10 at idle or steady cruise. I already checked/did the following: - Realigned the intake tubing - Checked the purge valve—it’s fine - Cleaned the MAF sensor - Changed the PCV valve 6 months ago. - Put in... High FK7 STFT/LTFT - Why tho?

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  • CivicX

    NEW RELEASE: 27WON 4-Piston Front Caliper Upgrade | 10th Gen Civic & Si

    By Vlad@27WON

    Hey fam, back at ya with another one. We're excited to introduce our newest braking upgrade for the 2016–2021 Honda Civic and Civic Si: the 27WON Front 4-Piston Caliper Upgrade Kit! We designed this kit for 10th Gen owners looking for the benefits of a fixed 4-piston caliper without the expense of a full Big Brake Kit. Yes, we make one of the most popular BBKs on the market, but not everyone wants a full... NEW RELEASE: 27WON 4-Piston Front Caliper Upgrade | 10th Gen Civic & Si

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  • CivicX

    AREA's PRL 4847RS Coupe Build!

    By AREA

    Whats up guys! I just bought a brand new 2018 Modern Steel Metallic SI Coupe. I have had it two weeks and already have goodies arriving for this daily build! Red steering wheel emblem makes the steering wheel pop! Smoked corner... AREA's PRL 4847RS Coupe Build!

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  • CivicX

    New FK8, abused by previous owner. What do I need to check to make sure it isn't completely cooked?

    By Shinomura

    Same as title. Picture is just for proof I guess. I've only had this car for a few days, before purchasing I could see the brakes needed some attention, and upon arrival I could see that the clutch needed some as well. It also has scratched up rims. So far, based upon the research I've done into this car, my first upgrades are 18" wheels, sound system, and maybe exhaust but it already has an AWE exhaust installed so I'll probably just stick with it. It is a 2019 FK8 with 52k miles. What... New FK8, abused by previous owner. What do I need to check to make sure it isn't completely cooked?

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  • CivicX

    Anyone with 1.5T experiencing profuse vibration at idle ?

    By BlueDoggyOracle

    Hello, I own a 2019 Civic EX 1.5T, and over the course of the past few months I am noticing that at idle (such as a stop sign or red light), the passenger seat vibrates quite intensely, and the same can be felt from the drivers seat. There’s a loud sound. The dealership I typically service at (let’s call them Ivy League Honda) said that I have coolant loss + early head gasket failure in March, but on a subsequent oil change and a particular visit for this issue, they are saying the coolant... Anyone with 1.5T experiencing profuse vibration at idle ?

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  • CivicX

    FS: FK8 Partout (PRL, Hondata, Spoon, JQ Werks)

    By rayrayfk8

    Parting out my 2020 FK8 - Willing to ship all parts except the PRL intake kit if buyer helps with shipping + 3% Paypal Goods & Services fee: PRL Race MAF Intake and Titanium Inlet - Intake is in great condition, inlet pipe has some light scratching. Comes with original clamps as well as black NDF clamps, as well as the silicone coupler for the OEM inlet in case you wanted to run that - $PENDING RV6 Billet Rear Swaybar Endlinks: Used for 7k miles, no noises when taken off - $120 2021 FK8... FS: FK8 Partout (PRL, Hondata, Spoon, JQ Werks)

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  • CivicX

    2017 Civic Coupe EX-L broken torque rod

    By kruuth

    MY 2017 EX-L coupe broke the long torque rod in the trunk. It looks like it just snapped. I found the bar, but the little plastic part that is attached that slides on the trunk seems broken. Is that 74873-T2A-003? Any recommendations on where to buy online? The parts seem to clock in at about $20 but everywhere seems to want double that for shipping.

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  • CivicX

    Keyless System Error Fixes?

    By Shinomura

    I've found that I have the "keyless system error" warning and flickering dashboard. I have looked up multiple fixes on the internet and even this forum to see what causes it and what solves it but I have only found suggestions, nothing that says "I did x and it fixed it." So now I am asking directly, what normally fixes this? It has rained recently, and I have had the car tinted. What do I do?

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  • CivicX

    best rear motor mount for daily driving?

    By adddamm

    Hi yall, I was looking into rmm and seen plenty, Hasport, PRL, 27won. I was wondering what would be best for daily driving with some spirited driving also. I know i wont go for 90a or 92a but what would yall say is better, 62a or 70a? or something else? I’m really not sure and was wondering what yall think

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  • CivicX

    Stone Deflector

    By novtecforme

    I'm looking to replace my worn stone deflector (part #14 that goes behind the front lip) with a new one. Does anyone know if it's easy to replace and how to? PS- I used the search function and couldn't find anything about it.

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  • CivicX

    Coolant pressure question

    By 17si_zach

    I just DIY replaced my headgasket with OEM gasket and ARP headstuds. Im noticing with the engine dead cold when I open the coolant cap air shoots out and coolant seems to shoot back into the resovoir?? Seems a little suspicious to me unless this is normal behavior from our cooling systems

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  • CivicX

    Failing Brake Master Cylinder? - Diagnostic Help Needed

    By JustAHatchback

    Hello everyone, I recently had my first track day at CMP (it was awesome!) and the car did great. However, driving home, my brakes started "losing pressure." Let me provide you with some history as well as what parts we're dealing with here before I walk you through my diagnosis and why I am unsure about it. Parts: the car has 124k miles and has the factory master cylinder and booster with a Verus master cylinder brace. I use Motul RBF660 fluid that is around 1.5 years old and was... Failing Brake Master Cylinder? - Diagnostic Help Needed

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  • CivicX

    Keyless Start System Problem

    By kaiba_fk8

    Got this pop up yesterday for my 2019 R, but now it's doing this. Any solutions to this before I do anything else? I saw some old forums, someone mentioned replacing the key fob battery but don't think that's the issue or to check the battery in the car. Any advice is helpful! Thank you! Your browser is not able to display this video.

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