TX - For sale - Hondata flashpro 2016+ civic
By yessewey
up for sale is the flashpro off my 2018 civic si, car is sold. Comes with the flashpro and data cable as pictured. Located in dfw - TX area, willing to ship. Price is 500 obo.
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US DEALER FOR ALL JDM BRANDS! (AIMGAIN, Result, Spoon, Mugen, etc)
By merakiautoworks
Meraki Autoworks is authorized dealers for all your favorite JDM Brands whether being direct with them in Japan or being a dealer for their US division. Please contact us to get current inventory, lead times, and pricing! Aimgain, Apexi, Amuse, Axell, C-West, Ings, Jun Auto, Kazama, Lems, Lexon, M&M, M-Sport, Max Orido, Mugen, Noblesse, Rowen, Result, Spoon, Sard, Tom's Racing, TRD, Uras, Voltex, Xeno & much more! Please go to the manufacturer website to see which product you... US DEALER FOR ALL JDM BRANDS! (AIMGAIN, Result, Spoon, Mugen, etc)
PRL 4847RS 1.5T Turbo - Dyno Results (vs RV6 R365 Red BB)
By 604CTR
Hey guys, you may have read my preliminary review from back in July, where I had to swap out the RV6 turbo because of oil seal failure which lead to bearing failure. https://www.civicx.com/forum/thread...1-5t-turbo-upgrade-vs-rv6-r365-red-bb.109648/ I replaced the RV6 turbo with the new PRL 4847RS turbo. To me, it seemed to spool faster than the RV6 (butt dyno), and I'm still convinced that at light/part throttle it definitely supplies more boost at... PRL 4847RS 1.5T Turbo - Dyno Results (vs RV6 R365 Red BB)
Can't Upload Images To Showcase
By SkylerDanes
Hey folks, Just trying to add my vehicle to the showcase but it won't accept my image(s). I've compressed them down to less than 1 mb and have tried jpg and png but it does nothing after I attach them. Is it down or am I doing something wrong?
Civic si coupe tail lights
By Rileycoffey
Hey guys! I can’t seem to find anyone online who has done a clear tail light conversion or even tried. Is there anyone out there who has experience with removing and taking apart the coupe rear tail lights?
Coilover front end noise
By Project_hatchbackciv
For the last year I've had a clunk coming from my front end after installing coilovers and cant figure out what it could be. I've tried readjusting the endlinks, retorquing the suspension and driving without the end links and it still clunks over bumps. It could be my DIY BBK but idk any suggestions would be helpful.
Struggling to get snap ring around countershaft bearing.
By bluefc1mac
Update: Resolved! Dropped it from higher up Unfortunately had my speed sensor snap into my transmission bc I wasn’t aware of the necessary shim to prevent the gear from catching it. A year after installing a fresh rebuild I realized I never put the bolt in for the sensor and all hell broke loose. I’m trying to put the case back together but I cannot for the life of me get this snap ring to catch. The bearing isn’t getting low enough. I’ve tried a dead blow, dropping it on a 2x4, and baby... Struggling to get snap ring around countershaft bearing.
Car starts to stutter a little in 3/4th gear while accelerating
By BerzerkerX
Hey Guys, I need help determining the issue with my car. I noticed this happened recently, not sure what the issue is. From 1-2st i have no issues, but when i am in 3rd or 4th and I accelerate, the car starts to stutter or bog, like 3-4 time not a fast stutter, but feels like i let off the gas and get back on it real fast. I think its either my injector is going bad or a bad coil, but not sure. I changed the sparks a few months ago and gapped them within spec. If it is an injector issue I... Car starts to stutter a little in 3/4th gear while accelerating
High mileage 2019 Si ongoing repairs 💩 show?
By GrinchSi
Hello and thank you in advance to anyone reading or adding to this post. I have done some research using multiple threads on this forum mainly and want to thank you for all that information as well. As stated in the title I have a 2019 si that is misfiring under full WOT. Only mod is a prl cobra street in @ 65k . I purchased the vehicle new and am currently at 95k. At 77k was the first time it ever misfired. No signs prior to it happening just went for a hard pull in 2nd and it slapped and... High mileage 2019 Si ongoing repairs show?
Lost power steering on freeway - protect your wires!
By civic123
I was driving my 2017 civic EX T and lost the electric power steering while on freeway. It was the scariest experience of my life. The car felt like a rock and wouldn't turn. I barely made it off the freeway and had it towed to a nearby dealer. Turns out my electric power steering harness was chewed by rodents. They got me a new harness and wrapped it in anti rodent tape and I was good to go, cost $300. I'm just thankful that despite losing power steering, there was still mechanical linkage... Lost power steering on freeway - protect your wires!
L15B7 Engine removal advice from those that have
By Wrenhaven
The engine now has a rather large inspection window installed so now is being removed. Will these engines come out with the intake manifold installed? There appears to be enough clearance, however the main wiring harness runs under there and finding it hard to disconnect without removing. Also, looking for a short block if anyone has one laying around!? Lol
Battery suggestion
By Temesvar
Have a 2018 Si and the battery is still good. But am sure it's days are numbered. What is your experience with factory batteries and what have you replaced them with?
What is 100,000 miles required maintanence
By Rafael Gomez
Hello everyone! My car is 2021 Honda Civic EX 1.5 L Turbo. I was wondering what is truly required and what is recommended to complete at 100K miles. I know transmission oil replacement, Oil and filter , Brake fluid . Spark plugs all required How about coolant drain and replace is that really required? I have never done that. How about a valve cleaning if I have never got that done before ? How about valve clearance checks? I still have great mpg around 42 mpg. How about serpentine belt... What is 100,000 miles required maintanence
Can the 2021 Honda civic ex software be updated via usb or WiFi
By meathead42
Hello, I see no software update button available anywhere on my touch screen. Do I have to take the car to a dealership to see if it needs an update? Thank you!
2026 Limited Edition Halloween shift knobs 🎃
By FK7Boi
Was doomscrolling IG when I happened across these products. For those with an MT and in the spooky spirit, you may want to pick one up before they’re gone. I’ll update if I find anything else interesting. https://wearelikewise.com/products/likewise-x-heeey-design-halloween-edition https://billetworkz.com/collections/trick-or-treat-2026 ... 2026 Limited Edition Halloween shift knobs
FK8 Rubber 'O' Ring Starting To Come Up From Hood Air Intake
By Inferius7809
While driving the other day, I noticed something on the hood of my FK8. It seems like there's a little rubber O-ring or otherwise rubber seal that goes in the small gap between the hood and the intake garnish assembly. Part of the rubber seal on the drivers side is starting to raise up a bit, and I can't get it back down to sit into place, so I'm wondering what my options are. It doesn't seem like this part is indvidual on Dreamshop, so I would more likely than not be lookling at needing to... FK8 Rubber 'O' Ring Starting To Come Up From Hood Air Intake
OEM Hood Scoop rubber seal
By Joescivic
Is this thing replaceable or does it only come with a new hood scoop? I made a stupid mistake (after so many times and nothing happened before) while buffing over the hood scoop, and a small section of the seal is sticking out now. Not even sure how the buffer reached down into that area, but it did. I think it would be a waste to get a whole new hood scoop just because the seal came off.i don't see that as a separate part in the Hondaparts store.
Whats your mileage? Highest mileage?
By jamesaang
How many miles do you have on your 10th gen,or have had on a 10th gen? Whats the most mileage you've seen on a 10th gen? Edit: my 16 civic is currently 113k~ has the 1.5t.
CVT acting sluggish in sport mode while using paddle shifters
By sjmonomane
I have noticed that my car has a very delayed throttle response, which typically happens when I "downshift" into the first "gear" quickly from a higher gear. I'll mash the pedal to quickly accelerate, and the engine RPM goes up extremely slowly. It's almost like a fuel cut, such as being in limp mode. Once I shift up, it goes away completely. Also, I have owned this car for several years and I am just now learning you can't even redline it, which is honestly a bit lame.
[WOLFBOX × SEMA 2026] What’s New This Year? Get a First Look at Our New Products!
By Wolfbox
Wolfbox is heading back to SEMA! Join us November 3–6 at the Las Vegas Convention Center for SEMA 2026. After winning the Best New Interior Accessory Product Award at SEMA , we're coming back bigger than ever, with the largest booth and product lineup in Wolfbox history. We're excited to meet fellow automotive enthusiasts, industry friends, and SEMA attendees! Find Us at SEMA Booth 10339 | North Hall If you're attending SEMA this year, stop by and say hello... [WOLFBOX × SEMA 2026] What’s New This Year? Get a First Look at Our New Products!
*** Volk Racing CE28N 18x9.5 +42; Set of 4; MINT Condition ***
By Type_MBN
*** Volk Racing CE28N 18x9.5 +42; Set of 4; MINT Condition *** Location: Cerritos (SoCal), CA Means of Contact: pm me, don't ask me to pm you lol Description: Volk Racing CE28N 18x9.5 +42 / 5x120 (Formula Silver) Price: $3,600 FIRM with tires. LOCAL PICK UP ONLY. SORRY NOT SHIPPING. Sorry - *NO TRADES* *NO TRADES* My favorite spec CE28N with the nice deep lip. Condition: Professionally powdercoated by Bulletproof - Formula Silver. Matching center caps included. No bends, no cracks... *** Volk Racing CE28N 18x9.5 +42; Set of 4; MINT Condition ***
OEM fuel system Non-Si vs Si
By AlexSt84
Hi Guys, I tried to find the spec numbers of the pumps and injectors, the part numbers are different between both cars. I wonder if replacing the OEM fuel system on a non-si hatchback with OEM Si one will give the difference. Pressure higher in both pumps, injector size etc. for note: I live outside of the US, so we don't have any aftermarket options here. I tried to e-mail Eman for quite some time about his fuel system, but he isn't replying.
Absolute throttle, EVAP, timing advance
By miknoypinoy
So I did a live scan and got some concerning numbers. I cleaned the throttle body and re-learned. It passes function tests but still a little high. I changed my EVAP valve and it brought the Pa down from -600 to -106. So still an issue. And the 0 advance BTDC seems odd. I’m no mechanic so any knowledge or suggestions would be great. No codes, car runs great. 2020 civic sport 2.0 CVT AEM CAI Flowmaster 40 Phearable 2.0 tune
AREA's 18 MSM SI 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 18 MSM SI Coupe build!
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