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  • CivicX

    27won W1 turbo whine Help!

    By Lpskate21

    Recently installed 27won W1 ball bearing turbo on my 2019 Si running with the ktuner w1 turbo flex fuel (e30) ots tune until I get custom tune. Installed at the same time was prl turbo inlet pipe. Everything was fine and install was smooth until about 2 months after started hearing a whine coming from the engine bay (see video) whine is from 3-8 or so psi around 2500-3500 rpm then disappears. Smoke tested no leaks, no power loss, no issues at all building boost. Only thing is the noise. Is... 27won W1 turbo whine Help!

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  • CivicX

    Brake Master Cylinder Upgrade

    By si0w_fc1

    Anyone have the need/do a brake master cylinder upgrade on their Si? Was at Barber Motorsports Park and I blew it again there (2nd time). I think going through the “roller coaster” under braking causes it to fail. As I’ve done numerous track days at AMP and RA and it ends up failing at Barber. Could also be that barber is the final straw lol. It is leaking where the Master Cylinder connects to the Brake Booster. Was just looking for some insight if it would be better to replace with OEM... Brake Master Cylinder Upgrade

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  • CivicX

    The Tuned CivicX Experience & Reliability Project

    By gtman

    Updated 11/8/26 reliability [noun] : the ability to be relied or depended on. Everyone knows that tuning adds power but what about the long term reliability and safety of tuned 10th gens? I created this project to document just that and to get an overview of owner's overall tuning experiences. If you have a tuned 10th gen, add your car to the thread. Every tuned car added... The Tuned CivicX Experience & Reliability Project

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  • CivicX

    2020-2021 Civic Type-R ADS module

    By CTRCAL

    For sale is a 2020-2021 FK8 ADS module. This is the less aggressive NONE LE module This ADS improves the ride quality compliance while improving handling over the 2017-2019 ADS. Honda says it refreshes 10x faster than the 2017-2019 ADS. $200 Shipped PayPal add fees Can pickup in San Francisco

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  • CivicX

    My custom design for improved track cooling

    By chester

    I wanted to improve cooling, and I didn't love any of the available products. I didn't want to block airflow to the radiator, so the added coolers needed to be in front of the tires. I also wanted to add a dedicated transmission cooler so the engine coolant wasn't performing that task. Here's a quick video overview - All the brackets are 3D printed. If the part is black, it's PET-CF which is the final product. Any pictures with non-black parts are PLA... My custom design for improved track cooling

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  • CivicX

    Best Pricing & Inventory! Exhausts / Wheels / Aero / Brakes / etc!

    By merakiautoworks

    Hello Fellow CivicX Owners! As an authorized dealer of your favorite brands, we offer the best prices, shipping times, and customer service. Apexi, Borla, PRL, CSF, KW, Mishimoto, RSR, Volk, Titan7, Ohlin, HKS, Remark, Swift, etc! We have a NEW Quote and Price Match Tool. If you have a product you are ready to purchase but found it cheaper elsewhere, please fill out the link and we will try to beat/match that price. OR if you just want a personalized quote, please fill... Best Pricing & Inventory! Exhausts / Wheels / Aero / Brakes / etc!

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  • CivicX

    Best Pricing & Inventory! Exhausts / Wheels / Aero / Brakes / etc!

    By merakiautoworks

    Hello Fellow CivicX Owners! As an authorized dealer of your favorite brands, we offer the best prices, shipping times, and customer service. Apexi, Borla, PRL, CSF, KW, Mishimoto, RSR, Volk, Titan7, Ohlin, HKS, Remark, Swift, etc! We have a NEW Quote and Price Match Tool. If you have a product you are ready to purchase but found it cheaper elsewhere, please fill out the link and we will try to beat/match that price. OR if you just want a personalized quote, please fill... Best Pricing & Inventory! Exhausts / Wheels / Aero / Brakes / etc!

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  • CivicX

    Best Pricing & Inventory! Exhausts / Wheels / Aero / Brakes / etc!

    By merakiautoworks

    Hello Fellow Civic Owners! As an authorized dealer of your favorite brands, we offer the best prices, shipping times, and customer service. Apexi, Borla, PRL, CSF, KW, Mishimoto, RSR, Volk, Titan7, Ohlin, HKS, Remark, Swift, etc! We have a NEW Quote and Price Match Tool. If you have a product you are ready to purchase but found it cheaper elsewhere, please fill out the link and we will try to... ​ Best Pricing & Inventory! Exhausts / Wheels / Aero / Brakes / etc!

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  • CivicX

    Not happy with my $3000 Sound System, how to fix?

    By Shinomura

    So basically I fucking hated the stock fk8 speakers, genuinely sounds like they're slapping a napkin on my ears its so flat and there's no depth. Sooo I went to a local place to get a system installed and here are my main gripes: They didn't tell me that the audio would continue to sound like shit If I did not replace the factory amp and headunit, so I still get the unimpressive "flatness." Second, the sub. I specifically told them I just wanted a *little* upgrade to quality and NOT... Not happy with my $3000 Sound System, how to fix?

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  • CivicX

    2020 Civic LX Fog Lights

    By collinsit

    Hi everyone, I have a 2020 Civic LX 2.0 manual. Obviously the car didn't come with fog lights. I see there are lots of options out there for them but I have read that the honda sensing system is located behind the bezel on the drivers side and that adding fog lights could mess that up. I was just wondering if anyone can confirm this and if it will be an issue to install them. If so, is there a workaround for it and does anyone have a set they have used or know of that will work ok? I am... 2020 Civic LX Fog Lights

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  • CivicX

    Master Wheels Dealer for Your FK8! *Authorized Dealer*

    By merakiautoworks

    We are authorized dealers for all your favorite wheel brands! As an authorized dealer we have access to the best fitment, inventory, and pricing for you! ADVAN WHEELS / AVANT GARDE / BBS / BC FORGED / ENKEI / FORGELINE / FORGESTAR / GRAM LIGHTS / NICHE / RAYS / ROHANA / ROTIFORM / TITAN7 / TSW / VOSSEN / WORKS + more We have all the products to go with your new wheels. Lug Nuts, TPMS, Suspension, Tires (local only), Body Kits, + More Not all... ​ Master Wheels Dealer for Your FK8! *Authorized Dealer*

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  • CivicX

    Mishimoto Catch Can Causes Fumes in Cabin

    By tanginaglaz

    I have started to notice an exhaust or fuel smell in my cabin when running the heater (re-circulation OFF). After inspecting the exhaust system for cracks and the HVAC intake system, I have narrowed it down to my Mishimoto catch can. Confirmed that it was the issue when I re-installed the stock hose and the smell went away. I have already replaced the hoses that the catch can came with a non-porous version (causes a smell in the engine bay). Was wondering if anyone had a similar issue and if... Mishimoto Catch Can Causes Fumes in Cabin

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  • CivicX

    Civic Si part out. Lots of track parts.

    By Bego

    Hi CivicX, I am trying to clean out space. I've been hanging onto these 10th gen Si coupe parts for a long time. Send me a message if you are interested in anything. Prices are pretty firm since most are half-off of new, but I can negotiate if you want to bundle parts. Available for local pickup in Grand Rapids, MI. Shipping available at your expense through Paypal friends. I can work out meeting you half way for some of the bigger ticket items. SOLD! 27Won big brake kit - 604CTR... Civic Si part out. Lots of track parts.

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  • CivicX

    How much power can the 2019 CVT handle?

    By wbuff

    Hey guys, I've got a 2019 Hatchback Sport Touring with a Borla S-Type Exhaust and I just had a few questions I was hoping to get some information on. In general, I was curious how much power the CVT would be able to handle before I modified my car further. I know I made the mistake of not purchasing a manual, but there's no manual for the sport touring version of the car! I'm still pretty new to this, but in the future I wanted to add some things like a cool air intake (Injen SP) and the... How much power can the 2019 CVT handle?

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  • CivicX

    CVT on Steroids: Civic X Stage 3 Roll Racing

    By DimLog

    Hey everyone, I wanted to share my current Stage 3 CVT Civic X build and show what this platform is capable of when properly put together. I know there is still a lot of skepticism around tuning the CVT, but with the right cooling and a proper tune, it’s an absolute beast from a roll. The car is custom-calibrated by Derek Robinson (IMW) via KTuner, and the power delivery is incredibly smooth. Here is the complete breakdown of the setup: Engine & Internals ... CVT on Steroids: Civic X Stage 3 Roll Racing

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  • CivicX

    [WOLFBOX NEW RELEASE] K7 Pro: The First Dual 4K Dash Cam with Dual PlateCapture™ | Install Video + Exclusive Launch Discount

    By Wolfbox

    We’re excited to introduce the Wolfbox K7 Pro, featuring dual 4K HDR recording on both the front and rear cameras. It is also our first dash cam equipped with PlateCapture™ technology on both lenses, ensuring clear license plate visibility even at night. To show our appreciation for all your support, we’ve put together an exclusive forum discount just for you! Check out the details and discount code at the end of this post. Dual 4K HDR... [WOLFBOX NEW RELEASE] K7 Pro: The First Dual 4K Dash Cam with Dual PlateCapture™ | Install Video + Exclusive Launch Discount

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  • CivicX

    FC3 Si Severe Front-End Clunk/Bang and Grinding Over Bumps After Replacing Multiple Suspension Components

    By LBrooker

    Hey everyone, I'm trying to track down a severe front-end clunk on my 2018 Civic Si coupe (FC3), and I'm running out of ideas. The noise started as a relatively light clunk, so I initially suspected the passenger-side CV axle. I replaced it, and the noise disappeared for a couple of weeks before gradually returning, worse than before. I continued investigating and found that my sway bar end links were in bad shape, with torn boots, so I replaced those as well. Unfortunately, the clunk... FC3 Si Severe Front-End Clunk/Bang and Grinding Over Bumps After Replacing Multiple Suspension Components

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  • CivicX

    One-Click MAF, Ignition, and Turbo Boost Pressure Tuning Tool (Beta)

    By tom 4 china

    Import automotive log CSV files to perform one-click tuning of MAF, ignition, and turbo boost pressure. Supports Ktuner and Hondata data. The post cannot attach files, so please leave your email address to participate in the beta test. Please feel free to try it out and provide test results or suggestions so that I can optimize this mini program. [ATTACH... One-Click MAF, Ignition, and Turbo Boost Pressure Tuning Tool (Beta)

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  • CivicX

    Buzzing noise coming from passenger side rear wheel

    By notfixederror

    After installing new brake pads and rotors, I noticed this buzzing noise coming from the rear, sounding almost like a transformer hum. I don't really have an idea to what the noise could be caused by, though I haven't looked to far into it. I was hoping the noise would go away naturally, but no luck. Initially thought it was the wheel bearing, took the brake assembly off and spun the hub and it would make a slight noise while rotating, but it makes the same noise on the other side so I'm... Buzzing noise coming from passenger side rear wheel

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