BUILD: DIY Rear Diffuser [PART 2] Adding Fiberglass

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This is the second half of my video explaining how I built my own rear diffuser out of foam board & fiberglass. This video focuses on the fiberglassing and bedliner processes. Please watch Part 1 for instruction on how the build the diffuser. I know it's not the nicest out there, but for under $100, its a fun, easy, DIY option.
Feel free to ask any questions you may have.
NOTE: The diffuser tucks under my bumper. The black you see on the outside is plastidip I sprayed on to mimic the "Mature" style of diffuser seen here.www.forcewerkz....
🔴TIME TO COMPLETE: About 3 hours to build. It could take many more to figure out the angles, how to trim it, & how to mount it.
The first time I did this project it took me about 20-30 hours total to complete. However a large majority of that time was spent figuring out how to make my idea work. I have never seen a diffuser like this, so it was completely new to me & I was creating the process as I went.
🔴PRICE BREAKDOWN:
QUANTITY🔧MATERIAL🔧COST
1 box🔧cardboard box (cut for template)🔧$2
3-4 sheets 🔧foam board🔧$5 each
1 roll🔧masking tape🔧$4
3-4 bags🔧 fiberglass cloth🔧$7 per bag of 8sq ft
2 quarts🔧fiberglass resin🔧$15 per quart OR $40 per gallon
varies🔧brushes, mixing cups, etc🔧$5
varies🔧mounting hardware🔧$5-10
1🔧respirator mask🔧$30+
1 can🔧 truck bed liner🔧$7
🔧🔧TOTAL: About $130 plus tax if you don't have anything on the list. The resin, fiberglass, & respirator are the most expensive things.
🔴 FOLLOW MY BRAND PAGE ON WHEELWELL
wheelwell.com/...
Everything that is done to my STi is on my Wheelwell page! It’s free to create an account, & you can keep track of your own build as well!
🔴 List of all the music I used is at the bottom of the description.
🔵[GOALS]🔵
CHANNEL GOAL: To reach 10,000 subscribers by the end of the year! (5,843 to go!)🙌🏻🙌🏻
INSTAGRAM GOAL: To reach 2,000 subscribers by the end of the year! (811 to go!)🙌🏻🙌🏻
_______________________
🔶[DRIVEN TO CURE]🔶
Support Andrew & his cause by checking out Driven To Cure
Website: www.driventocur...
Instagram: @driventocure & @crustlessmedia
Twitter: @driventocure
RU-vid: / @driventocure
_______________________
🔵[FOLLOW ME]🔵
►[Instagram] @hawkeyestiguy
►[Twitter] @hawkeyestiguy
►[Facebook] / hawkeyestiguy
_______________________
🔵[SQUAD]🔵
►[Jerry Batista]
/ @jerrybatista1
►[IgnitionTube]
/ ignitiontube
►[Evan Shanks]
/ @evanshanks
►[TJ Hunt]
/ @tjhunt_
►[Driven To Cure]
/ @driventocure
►[Crustless Media]
/ @crustlessmedia
►[StreetSpeed 717]
/ @streetspeed717
►[nickgt350R]
/ @nickgt
►[T-WRX]
/ @twrx_chuck
_______________________
[Music Credit]
🔴FIRST SONG & OUTRO:
Uplink - Still Need You (feat. AWR) [NCS Release]
• Uplink - Still Need Yo...
Uplink
• / itsuplink
• / itsuplink
• / itsuplink
• / official. .
🔴SECOND SONG:
Jim Yosef - Canary [NCS Release]
• Jim Yosef - Canary | T...
Jim Yosef
• / jim-yosef
• / jimyosefmusic
• / jimyosef
• / jimyosef
🔴THIRD SONG:
Lensko - Titsepoken 2015 - No Copyright Music Free Background Music
click.dj/freeba....
Lensko
Instagram - / lenskonorway
SoundCloud - / lensko
RU-vid - / lenskooff. .
Facebook - / lenskooffici. .
Twitter - / lenskonorway

Опубликовано:

7 сен 2024

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Комментарии : 73

@mikeymike2552 7 лет назад

money, time, effort and supplies on a mock up DIY? Damn, thanks man. thats some dedication to us

@hawkeyestiguy 7 лет назад

Thanks! I wanted to make the video clear so someone could follow along if they wanted, & the only way to do that well is by actually building one. 👍🏻

@jeffreysegal2065 6 лет назад

That roller handle is such a great idea!

@SpencerHogg 7 лет назад

Man that thing is coming along so nice !!! I love that you're doing this yourself too eh!! So awesome!

@hawkeyestiguy 7 лет назад

Thanks man! 👍🏻

@Brian02447 7 лет назад

Awesome diy man. Love the whole process and you made it seem so clean and simple. Great video 👍

@hawkeyestiguy 7 лет назад

Thanks! 👍🏻👍🏻

@sxeeverardo 7 лет назад

Again this is badass and I truly wish I had the patience for making one lol

@hawkeyestiguy 7 лет назад

Thanks. 👍🏻👍🏻

@HagakureJunkie 6 лет назад

Not that hard. I thought I didn't have the patience but ended up building a brand new bumper for my TT.

@michaelcapen4440 7 лет назад

the steep angle on the back of the diffueser will cause alot of turburbulance and effectivly stall the surface although this could be used to reduce drag if there is no air going over the top of it it wont be making much downforce

@hawkeyestiguy 7 лет назад

Yeah, this is more for aesthetics than anything else. I figure that without one, the air under the car is going to get caught up in the back bumper anyhow, so this has to be better than nothing at all, but this is just a simple, affordable, DIY option, not something that was designed in a wind tunnel. In part 1, I show how someone can make that angle rounded if they choose, but it is more work. 👍🏻

@badrababane9647 3 года назад

Amazing idea 👍👍

@edwardbond1689 7 лет назад

That's a really helpful video! Great job

@hawkeyestiguy 7 лет назад

Thanks. 👍🏻👍🏻

@edwardbond1689 7 лет назад

HawkeyeSTiGuy no problem

@sergio74v41 6 лет назад

Killer vid man! U have great talent..thanx for the vid

@tsotnegabechava7410 7 лет назад

I've been looking so long for a simple video that shows how to make stuff with fiberglass most of them are so loaded with the chemical materials i couldnt understand. This is awsome video, perfect explained. I'd highly appreciate if you could tell me, Should i use only bondo and paint after for best result ?

@hawkeyestiguy 7 лет назад

Thanks! Glad you liked it! I will say I'm not a fiberglass expert, but it worked for me. Once you fiberglass, you can sand it down for a better finish. Adding Bondo can help smooth things out too. I think just working with fiberglass alone would yield the best results, but it can be a pain to work with & smooth out. Bonds is much easier to use if you need to fill in some low spots. & yeah, then paint it. I think bedlinen works great, but it's not your only option. If you want to test things out first, you can always mix up a small sample & work on a small test piece or something.

@gummycupcake1142 7 лет назад

Great great job dude super helpful i really appreciate it

@hawkeyestiguy 7 лет назад

Thanks! Glad you enjoyed it!

@evolutionknight8258 7 лет назад

Thanks for sharing your knowledge :) Btw i love your subaru :)

@hawkeyestiguy 7 лет назад

Thanks! Part of the reason I made this channel was so that I could share what knowledge I had. 👍🏻

@HagakureJunkie 6 лет назад

Okay a few things, just built a new bumper out of fiberglass so I'll give you all some fun tips. First off, fiberglass Mat is wayy stronger than the cloth, I didn't know this at first but it makes sense because of the cross weave. You can also improve the strength of your project by riveting metal mesh together and fiberglassing over that. You'll end up with a ridiculously strong piece. I'm pretty convinced that fiberglass is actually not brittle at all, it's just douchebag manufacturers use cheap methods and product weak body pieces. The bumper I made is hella strong and durable. If you want a finished, professional look, sand the cured fiberglass done and coat the whole piece with Primer Surfacer (they sell it at auto parts stores). Use a foam roller to apply it on nice and thick then sand it smooth and you will get amazing results. Only use body to fill in big cracks and holes. Conversely, for an extra strong piece, Mix up some resin and spread it thick on your piece and let it fill in all the cracks. Your surface will end up smoother than glass. HawkEyeSTI did an excellent job on this video and now I'm super motivated to go out and build more stuff haha

@dimsuminab0x 4 года назад

The finish actually matters. Should be nice and smooth for cleaner air flow, other wise the diffuser is pretty much useless since the rough surface will just create drag...

@hawkeyestiguy 4 года назад

Samuel Wu This is primarily cosmetic. If I was that worried about aerodynamics, I would not have given it an angle either. This is a fairly easy DIY for people on a serious budget. On a diffuser of this level, that finish makes literally no difference. There are many things that are a much bigger issue, like not having the entire underbody covered with diffuser panels.

@aaronsurfs805 6 лет назад

How was it mounted? Doing a similar diffuser for my STi. It seems like the gas tank is right behind the bumper, so where did you mount the front of the diffuser?

@Mat-Jak 4 года назад

What is I just do the find and then stick them to my bumper and paint them? I was just wondering if that would work or if it would be too hard to stick or what ever.. I am open to suggestions or opinions

@hawkeyestiguy 4 года назад

It most likely would not work. They really need more support, but I would recommend trying some different things. Maybe something will work for you. 👍🏻

@chefralphiee 7 лет назад

Hey bro. I already have fins on my lip kit and I just wanna make them bigger. Should I just fibre glass it? How am I gonna attach em to the fins? Screeew or fibreglass it with the fins? Thank you so much

@hawkeyestiguy 7 лет назад

What material is it made of? Screwing it is probably faster & easier, but fiberglass would most likely give a better & longer lasting finish.

@Flat4CrewCT 7 лет назад

Sweet man!

@hawkeyestiguy 7 лет назад

Thanks! I have more cool DIY's I'll be working on this weekend. 👌🏻👌🏻

@Flat4CrewCT 7 лет назад

Sweet man sounds good! I have to install some bracing later tonight, hopefully everything fits without being a huge pain lmao

@fhgandara 7 лет назад

Dear friend. I followed this video of you, and I have a question: To use this process to make a front spoiler, what would your resistance look like, since it could have a few beats for being in the lower part of the bumper? Do you believe it would be tough? Thank you.

@hawkeyestiguy 7 лет назад

I would not recommend this design for a front spoiler. It doesn't handle any type of impact or scraping well & I think the air pressure on it would be too much. I would recommend something more sturdy for a front spoiler.

@fhgandara 7 лет назад

Dear friend. Thank you for the informations.

@TheJaytanization 7 лет назад

Hey man great DIY. Im actually in the process of making one myself using your way. How did you mount the diffuser onto the car? And when applying multiple layers of fiberglass cloth, do you have to wait for it to set for an hour before putting another later on or apply as many layers as desired all at once?

@hawkeyestiguy 7 лет назад

That's awesome man! I'm here to help. 👍🏻 You can add multiple layers at the same time as long as the resin is still wet. It will start to get tacky & set up after about 15 mins (depends on ambient temp.) Just make sure air is not trapped between the layers. If this is your first time using fiberglass,you may want to try practicing a little on a test piece. It's really not that hard though, I never used fiberglass before I built mine & I picked it up pretty quick.

@TheJaytanization 7 лет назад

HawkeyeSTiGuy Thanks for the input! As for the mounting part. Is it pretty easy to drill holes to make mounting bolts?

@HagakureJunkie 6 лет назад

Yes, fiberglass is some of the best stuff to work with.

@Syncrogreg 5 лет назад

did you have a chance to weight that piece?

@hawkeyestiguy 5 лет назад

Gregoire S. Blachon I don’t think I ever weighed it, but my guess is close to 2lb/.9kg.

@noblesseoblige5199 7 лет назад

Hey, can you possible sand it to smoothen the edges?

@hawkeyestiguy 7 лет назад

Absolutely. 👍🏻

@Godzillah 7 лет назад

Maybe I will actually try this. Atleast you made adecent video unlike the one where they just show the cardboard.

@noblesseoblige5199 7 лет назад

Hello! What's the thinnest foam board I can go with this?

@hawkeyestiguy 7 лет назад

1/4" thick foam may work, but it's more likely to bow & warp. I recommend using 1/2" for best results. 👍🏻👍🏻

@noblesseoblige5199 7 лет назад

Can you heat gun this to make a bend as well?

@hawkeyestiguy 7 лет назад

I'm not sure, I never tried it. I think it will be difficult to get the foam to soften/melt evenly to make a smooth bend. You can try it though.

@sysomyoung7437 4 года назад

👍

@richieflexz 6 лет назад

About how durable are the diffusers?

@hawkeyestiguy 6 лет назад

Lambo1-_ gaming They are fairly durable. Obviously it wont be as durable as ones made of aluminum or solid ABS plastic, but mine has held together longer than I expected. Mine is about 4 years old at this point & the sides are starting to separate on one of the fins, but it also has taken a few bumps, been through multiple winters, & never had any maintenance done on it. I think it holds up pretty well for the money put into it.

@richieflexz 6 лет назад

HawkeyeSTiGuy how would it be done with ABS plastic?

@hawkeyestiguy 6 лет назад

Lambo1-_ gaming ABS can be purchased in sheets & then bent/formed with a heat gun or torch. I haven’t made one & am not set up to, but Con10der8 on instagram makes them. You basically make a template from cardboard & then cut the ABS to that shape & form it where needed. The fins are cut to shape, bent at 90*, & then attaches with rivers to the main diffuser.

@richieflexz 6 лет назад

HawkeyeSTiGuy alright thanks so much

@angelomaselli5191 7 лет назад

can you make me one aggressive look for my 2016 sti I will pay u .

@hawkeyestiguy 7 лет назад

Sorry, I'm not building these. I have no way to guarantee it would fit correctly, & I have very limited free time as I am a full time college student & have 2 jobs in addition to RU-vid. If I ever do start making them, I'll be sure to announce it, but I don't have plans to do so at this time. Thanks.

@EHH702 7 лет назад

Diffuser giveaway?

@hawkeyestiguy 7 лет назад

Probably not. Honestly it just wouldn't be worth it. I just made this as a model, so it most likely would not fit the winners car well, possibly not at all. Also I'm not sure this one would hold up to well since I just did it as a demo, & I'd pay quite a bit for shipping since it is oversized.

@azharulkamil7551 7 лет назад

the total weight ?

@hawkeyestiguy 7 лет назад

It's very light. Probly about 5 pounds or so. It really depends on how much fiberglass you use.

@HagakureJunkie 6 лет назад

He says 5lbs but it actually might even be less. I built a whole bumper out of fiberglass and was very surprised how light it came out.

@mohammedali-tu3nz 4 года назад

Lol

@hawkeyestiguy 4 года назад

May I help you?

@renerostohar 6 лет назад

Yes I did learn how not to do it. It look so ricer.

@hawkeyestiguy 6 лет назад

René Rostohar Ok... If you don’t like it, then don’t put it on your car. Also, no one really says ‘ricer’ anymore. It’s nearly 2018, not 2005. Lol.

@HagakureJunkie 6 лет назад

UHHHHHHH, aren't subarus japanese......

@turdferguson1021 2 года назад

Uhm. That looks like crap, sorry...

@hawkeyestiguy 2 года назад

Lol. With a name like “Turd,” I guess you really know your shit, huh? 🤣 It’s an affordable option. Life is simple. If you don’t like it, don’t use it. 🤷🏻‍♂️ I have since installed a much better one, but for a lot of people, expensive parts aren’t easy to come by. Carry on, I’d hate to hold you up, turd burglar...