Want a F1 sounding exhaust? You need to understand THIS. Lamborghini Aventador custom Redu-X Screams

[@leonardhuff3169]

OJ listened to the critics, didn’t get butthurt, and said “challenge accepted.” You gotta respect this guy and his shop.

[@Endy5_Still_Alive]

This right here is how you know for certain that OJ and FMU are true professionals through and through.

[@FluidMotorUnion]

We appreciate everyone’s support. ❤️

[@JuanRuiz-hv9ue]

Some F1 sound for a C6 Corvette.

[@DariusFlynt_2012]

I swear this better not be about OJ simpson

[@oliverturner5897]

Hell yeah!

[@somuchmore20]

The 1st exhaust sounded nice. Raw and made tons of power .. ppl are insane

[@sepg5084]

What's nice and what's not is subjective. Learn something new everyday, kid

[@fastone371]

@@sepg5084 Absolutely, the people who cant afford real HP want that F1 sound, the guys that want real performance will take the HP over the sound. I would bet a lot of people that complain about the sound of the first design in lieu over the power gains dont have the money or knowledge for a performance car.

[@getahanddown]

@@sepg5084 The purpose was to make power and it made tons. How can people call a power mod a fail due to the sound? Your comment is rude but just highlights your ignorance

[@spedracer55]

like a older v12 f1 imo

[@NitroNuggetTV]

@@fastone371 People who can afford and actually want real HP don't go for the first exhaust they made. People with knowledge and the sole ambition to make power would've gone for a simpler design and spent the money on research and development (dyno, adjust, dyno, adjust, etc.). The theory originally used only gets you so far. Ironically the simpler design would've netted a more "F1 sounding" result, as that's what they used in F1. The "F1 sound" is the result of pursuing power. Not that a 90hp gain over stock is anything to turn your nose up at, great gains.

[@Glasseyed86]

respect for admitting the 1st version wasn't very "F1" sounding

[@ro63rto]

F1 of days gone by you mean.

[@Metalwolf765]

lol, +90hp is not a fail, that was a master stroke of enginerding and I’m here for it! So rad. I’m like 70/30 function/form though, and love good noises. Have to be able to drive it comfortably for those extra ponies to be useful 😊

[@tonytober]

The day you make a common Civic (ex.: B16/B18) sound "non-4-banger ricey raspy" and more harmonious, you WILL win the internet.

[@willyboiir15]

Both exhausts were insane! Preference doesn’t define failure.

[@iceman49bg]

For a car that revs to 9000 rpm but only a little 2.0L 4 cylinder i've ALWAYS wanted a perfectly tuned f1 sound from my s2000. It's supercharged which changes things from the stock engine note but man it'd be lovely.

[@rossb3082]

@FluidMotorUnion I would love to see a solid exhaust set up for k20/k24 engines. Especially without rasp or tinny accents in the sound it produces - what you usually hear in an average honda. If yall could put that in the drawing board it would be huge❤

[@flacostacos3144]

Screw the haters! I thought the previous system sounded damn good imo. Love the effort though!

[@neion5044]

it sounds good but sounds terrible compared to even the cars stock exaust

[@flacostacos3144]

@@neion5044 that’s subjective my guy

[@phantomflame0658]

@@neion5044 It sounds way better, way more brutal, matches the character and appearance of the car. It's not a pretty refined 458, it's a matte black batmobile

[@user-im7sg3rc6i]

i6, 6 into 1 and stepped 🙏 if i lived there, would definitely give you guys a crack at my falcon ❤ keep up the awesome work.

[@dylandesmond]

I'm running pacemaker 4496 3inch pacemakers with supercharger, 3.5inch after catalytic converter with varex muffler on my territory.

[@at_3831]

Doing an budget build Atlas 4200 would be awesome

[@UKBUILT]

👍 I hope I can make my V12 build sound good 😎👍

[@OctavChelaru]

Maisteer started it, thankfully, amazing contribution, thanks!

[@MrSpuentes]

I prefer the first version. To me, it sounded more like a race car, where performance is the primary goal and sound is secondary and the second exhaust sounded like all other aftermarket exhausts. When you are dealing with high end exotics, to get +90 hp over a stock is an incredible achievement. You guys rock.

[@Owlsrayne]

Excellent video, the critics probably don’t have the years of exhaust modification compared to your shop. It would be interesting to see a video on an exhaust system for a 4 cylinder Japanese brand car.

[@samerca1]

Four cylinder, four valve Honda turbo or NA H22A1 would be awesome.

[@Ang3lUki]

Engineering meets art when it comes to designing exhaust systems. I think calling it a fail was unfair and harsh! The gains were definitely worth it, and the tradeoffs when it comes to the aesthetics of the exhaust note is simply part of the beauty. The brutal raspy sound means business. Oh man you really hit the nail on the head for that F1 sound though. I'm very impressed!

[@GeorgeMcNally]

I think this is the first time I've commented on your channel, came here thru Legit Street Cars. You're doing the Lord's work.

[@jimnielsen9299]

Same here, LSC brought FMU to my attention and i instantly subbed, i know where i would go if i was in the USS and wanted a built exhaust thats for sure.

[@jediobi851]

Man, that would be the v12 scream if I ever buy an Italian perfection. Amazing job, masters of exhaust. May the force be with you guys.

[@scringe1]

I like this guy. He breaks it down very well.

[@MrSethGr]

I prefer the first version. I like raw sound of Can-Am cars and the first exhaust systems was in this style.

[@kleemanjad]

Well even in F1 the different engine configurations give different sound.. love the effort and the sound

[@timothylolcats8020]

new exhaust sounds great, love a high pitched exhaust

[@quickhandcam8596]

Awesome professionalism in the way you handled a TON of negative comments. Keep it up!

[@Elaboratesandwiches]

Ive always thought it would be fun to grab an oldschool mercedes v12 and build it to have incredible f1 sounding exhaust. Not necessarily super fast, but a sleeper with sound more than speed.

[@Mu4dD1b15]

Like say a w140 from Japan?

[@idokwatcher2062]

It's been done. It screams like an F1 car while barely accelerating to 30mph. You will easily find it on youtube if you want to hear the beast.

[@Haulinbassracing]

​@@idokwatcher2062it screams like hell at 30 because he's tach-ing it out at redline 2-3 gears too low just cruising around. A stock exhaust with a sport muffler would be screaming with a much worse pitch if driven the same way

[@Mu4dD1b15]

@Haulinbassracing well yeah that's the fun part. The whole point of this is that Sasaki san clearly has figured out how to make headers that scream and is charging a hefty amount of money to do so. I've only seen a couple of other people on KZbin successfully build one and both meisteer and BIY are attempting to do it without a huge amount of success on his v12 and their v10 despite both being even fired.

[@NeoIsrafil]

That's almost the opposite of what a "sleeper" is. The idea of a sleeper is a very fast car that doesnt look, and preferably sound, fast. Like...take a grocery getter, give it a supercharger and a decently strong muffler to get the sound down, etc, maybe short tubes before the cats. The concept is that people think your car is slow then you smoke em at the track. A car that sounds super fast at 30mph is...basically the opposite.

[@jmrodri69]

That sounds WAY BETTER!

[@tristankrager9789]

The maddest respect for this dude.

[@Texasknowhow]

I’ve always appreciated the science behind all things automotive. OJ’s approach to making each vehicle unique and what the owner wants is the true mantra of a “custom” shop. I also can appreciate the quality of his videos including the post editing, his dialog, added views and diagrams etc. Thanks for the hard work on these videos and vehicles OJ and Team!

[@eliot4546]

Stepped headers will make the magic

[@FluidMotorUnion]

Take an engine that is universal disliked for its sound, and spin it up… no stepped headers and a turbo in the way… kzbin.info/www/bejne/jqeleWugidtse7Msi=bNMbepkQ-s3lfygS Stepped headers are only “magic” if the motors magic to begin with. The point of this video stands…

[@N8dizzle4rizzle]

I love the fact that you show the creative process. That’s really helpful along with the thought process.

[@JulianGriggs]

PLEASE make an exhaust for a Jaguar XJS V12. It would be a challenge for sure!

[@HemiHalfCentury]

Good LORD I wish I could like this twice for the sound the first one was good but this is INSANE

[@narekpapukyan5455]

Acoustics and fluid dynamics, being independent concepts, is why the best flowing exhaust might not necessarily "sound" the best. LOVE the level of ingenuity & dedication behind your work!

[@sheikhyasherarafat7446]

The sketches were like Overies 😂🤣 probably that's why it screams🤣😂

[@vejr0sta]

awesome!

[@bigbluebowtie]

Haters are gonna hate. I am always impressed with your work OJ. I’m a fan of the first one as well as this one. You can’t please everyone!

[@allangman18]

All I can say is WOW... What a great solution. Good looking too.

[@DarylYBubersky]

Wow, i just want to say thank you for sharing this. I used to think that i was the only person who obsessed over exhaust in this way.

[@FluidMotorUnion]

Thanks for sharing!

[@michaelyoung7911]

Id love to see what you can do with the sound of a w210 v6!

[@T-Tronic]

OJ and Fluid Motor Works do exceptional work. I don't think the average Joe really understands just how complicated the science is regarding internal combustion engines and exhaust optimization. OJ has forgotten more about building exhaust systems than most of these negative commenters will ever begin to understand.

[@Boost-Samurai]

This new setup sounds infinitely better than the previous iteration. Well done 👏

[@jimnielsen9299]

Stellar work, never heard a better sounding Aventador, huge props not just for the work but also for expalining how and why, instantly subbed after LSC brought you guys to my attention.

[@Wayne3nterprises]

Nothing but respect for this guy! What a shop! But 90hp from an exhaust?! Im all for it lol

[@barnes4g63]

I really liked both exhausts you had on that Lamborghini.🙂

[@peterj5751]

I wish you were in Australia because you are the maestro of exhausts.

[@roman3s]

Great video! Well presented, look forward to watching through more of your content.

[@wojtech270]

O wow the previous exhaust sounded epic, like a 90’s f1 car

[@firstpersonjay5655]

Both versions sound awesome 😎 this one’s even crazier 😮

[@AtlanticBuilt]

Well done guys. This is a great demo for all the smooth brains with the nasty comments on the last video.

[@PD-cm6jp]

Revision definitely gave it a more exotic sound that matches with how the car looks.

[@Michael.ZuleykaRivera]

That sounds amazing on the Lamborghini #1

[@Groot564]

OJ you’re gonna have hater’s or don’t like this and that! That was a peace of art. I liked it. I’m glad you’re doing more to help people understand how exhausts work! Doing great get this channel going hit and subscribe please.

[@benjaminpohl4614]

Audi 3.2 fsi v6 has almost zero aftermarket support but it is a naturally aspirated motor with a crazy 12:5:1 compression ratio. It sounds amazingggg...I have pure straight pipes with an x pipe, and 2 straight through flowmaster mufflers, no cats and no resonators with a 2.5 inch system and it sounds amazinggg. Everyone compliments it. I would love to have a company like this take my car and put alot of thought into an exhaust for it.

[@CodyRobertEly]

so happy to see this knowledge being shared

[@ryanottenbreit8273]

First time finding this channel, very impressed! Good job gents

[@FluidMotorUnion]

Glad you enjoy it!

[@chrisstavro4698]

I think this version sounds much better (through youtube). thanks for the redux

[@utahknivesandgearnick7647]

Hell yeah!!!! Love that you took this as a challenge and made a bad ass system!!! Sounds 1,000x better🔥🔥🔥 excellent work👊🏼

[@twocentsthenuisance1131]

I’m definitely coming to you guys for my K48 Celica build

[@joeethereal2968]

I like the 1st version equally as much as "REDU-X".

[@mitchellholroyd2837]

Please make coyote mustangs sound good.

[@stephensowerby7076]

Make a turbo back exhaust system for a Toyota aristo jzs161/ gs300

[@tigoxbrata]

Finally ! i knew you guys would make this video

[@sloqlap]

Man, this really makes me want to see what you guys could do with something like the old Datsun L series engines that sound amazing. Especially now that I have one.

[@johnrappa1196]

That first one cut right thru me when i heard it...on my phone speaker 🤯

[@damianwaller7276]

I wish you were closer, would love to have the FMU treatment on my GT350 flat plane crank!

[@ghostwrench2292]

I'd love to hear the FMU treatment on a Voodoo engine!

[@Sukkamiesjames]

Holy shit that sounded good, great job!

[@sentientdogma1206]

Great vid. I personally value performance a lot but the first exhaust looked awesome and sounded ballistic. I enjoyed it.

[@FluidMotorUnion]

Glad you enjoyed it

[@leonardcooper2680]

Thanks OJ. Same engine 2 different exhaust systems, more a case of which one do you prefer. I thought the original was a winner 😎

[@juancarlosmendez8415]

Great info! Nice work! Hope to see a Jaguar F-Type, that already have a great sound, but there’s always room for improvement.

[@markshepler7525]

You got a hundred horsepower out of a header tune... That's incredible.. I'm proud of you... I've tried to find all kinds of information.. I've poured over david visard's... He's about the only. One I will actually listen to... You're on the right path.Don't listen to these people who just want to be egotistical with how they look or how they sound. The real gears are not the drifters.They're the ones who are trying to get to the finish line the fastest.

[@loicdore39]

I'm working on my V12 vantage sound and isn't easy

[@UKBUILT]

Yeah 👍 I am building my dream V12 supercar 🙂

[@exothermal.sprocket]

Very curious to see what you could do with a four-cylinder turbo engine. It's the world's most ubiquitous engine configuration and it often gets maligned due to the unsavory things a lot of shoestring budget folks have done to them. Wondering if a megaphone and tasteful flow-through resonator would clean up the sounds on a turbo inline-4 and make something special instead of just another tone among a dozen aftermarket tones.

[@WhatCurious]

Well done 👍🏼

[@SeishukuS12]

I'd love to see what you guys could do with one of the more hated sounding engines: Ecoboost Mustang (or Focus RS) I've already managed to get my Mustang sounding pretty good with a semi-tuned resonator pipe and an intentional restriction (similar to your megaphone, just the other way around), it's got a nice trumpet sound to it on accel/high load... But it needs work, it gets some nasty resonance on light load and low RPM cruse.

[@Adrianzx]

I agree valve events play a big part of sound but so do fuel and hardness of the block and pistons as they resonate at different frequencies

[@Keasbeysknight]

Those guys at build it yourself are doing some wild stuff on that build, I'd suggest anyone who is interested in how far two guys with some ingenuity can go, to subscribe. When they released that video I thought what a cool colab that would be if they could have a video conference with FMU to get some ideas.

[@FluidMotorUnion]

Yea I follow them but took one look at the zipper pipes and u bends… also no stepped headers with that beautiful merge? I’d love to test that collector out to see what kind of performance gains and sound I could get with that!

[@Keasbeysknight]

@@FluidMotorUnion yeah they obviously have some bigger things they are wanting to get done with it so headers that fit right now is probably the priority, but later down the road, it would be cool to revisit it

[@biy_buildityourself]

@Keasbeysknight Thank you for the shout out!

[@biy_buildityourself]

@@FluidMotorUnion We are curious as to what about zipper pipes dont affect sound like x pipes? The setup was purely for testing the effect on sound, not for looks. Also interested in understanding why you feel stepped primaries are needed? We are aware of many great sounding cars (LFA, Zonda, that Aventador you just showed) without stepped primaries. So they are not a requirement for great sound, but do help broaden the torque band slightly.

[@FluidMotorUnion]

Been following your guys build for a min super impressive in every aspect. I never thought you get those welded heads to hold!!! Expanding the pipe diameter quickly splits the pressure wave. This can add to the pitch by having more pressure waves present in the system. More pressure waves… more “buzz” or vibration that is possible at a lower rpm. As far as the zipper pipe. We’ve tested every bank blending configuration over the years. Power is dependent on placement and location- but on sound these things are true: Nothing sounds better than an 45 degree x. All x’s will induce turbulence and can only ever truly scavenge in a narrow RPm window. While zipper pipes are used by some people who say they give a certain tone… they induce more rasp and turbulence that you can hear everywhere else. Honestly I feel the they are gimmicky and offer no advantages over a smooth merge x. Would love to colab with you guys and get a proper x and our megaphones to see if we can get that thing to really sing…

[@dr.johannekrausseph.d]

Haters said what!!!?!😂😂😂 Great Comeback . . .mate

[@chrismathes3647]

Seen you're in Naperville lol, though it was Southern California at first. Great shop! My father repaired Porsche in the Chicago area many years ago. Perfect Power was the most well known shop he wrenched for. Great work, got me to subscribe

[@Domino81]

That sounds utterly fucking bananas.

[@dariuszek4dead]

Amazing pipes! I love the design, the first one was great, and the second was great. You are very talented guys! I would love to hear your work on DODGE Challenger Hellcat!

[@jeremymann8930]

1. Adding 90hp is not a fail, even if the sound isn't as expected. You should be proud of it. 2. I know its a looooong shot but I'd love to see you do a fwd 3800 exhaust.

[@mizumiya_akio]

Sound good for both version, but to unlock the f1 kinda sound is the equal length header. Just a hear change can make car sound like f1. I remember there is video porsche 992 GT3 with equal length header and stock exhaust, sound good with pitch but less loud..

[@blueovalOdell]

Nice work OJ

[@HemiHalfCentury]

Id love to see something for the new Nissan Z or The new Lotus they both look great but ESPECIALLY on the Z the sound is overly roomba-esque:\ would be awesome to see y'all really bring those to life

[@discipleoftheword1785]

Thank you for educating us.

[@07wrxtr1]

That was probably a Nissan Altima driver that capped on the 1st rendition. Sounded amazing to me!

[@johnk1532]

Your car can sound like a F1 car, if you rev it to similar revs

[@Ayane13b]

You should play the game that not many play, and figure out rotary engine exhaust sound tuning. Having 3 combustions per exhaust port, and having essentially 3 ports, where one is shared between the two rotors. You get to tinker with a lot more. Does making the shared port a different length change anything? Who knows! (Yes, this only really works with slower naturally aspirated engines, but still.)

[@mitchellholroyd2837]

Sounds good 👍

[@mkent280]

I put a reverse cone on my geo and now above peak torque it rasps harder than a bong juice soiled civic hitting vtec coming out of a car meet. It did however move up the resonance that used to be around 2000rpm up to above 3300rpm, which is interesting and goes back to your previous points about the necessity of testing different configurations to find what works.

[@FluidMotorUnion]

What’s your diameter? How much pipe and muffling do you have after the megaphone

[@cyruswoolard3737]

I'm a hobby auto fabricator down state about 3 hours. I also tig/stick/mig professionally in an industrial setting. I'd love to learn more about designing exhausts for i6 turbo engines. As that's all I play w atp. Really enjoying the content! Subbed and learning lots.

[@eckomob6898]

That's pretty F1 ish. I best start saving my little dollars to come see you fellas. We'll done!

[@ky1699]

“Less than impressed,” and “the gains weren’t worth it?” OJ, let me at ‘em. These CHILDREN could use a good backhand! Your finished products are a dream, my man! Wish I could bring my (weak, only a V-6) 2020 Jeep Grand Cherokee Limited X to get the Fluid MotorUnion touch all the way from Phoenix, AZ. As for your question, please make ANY Porsche sound FMU worthy. Cheers!!!

[@777RocketS]

What an amazing and informative video!! I'm exploring for exhaust ideas for my FE390, I'd love to see what these guys could do with that

[@robotman3474]

Similar to a gun barrel how it’s bored and rifled on the inside to give bullets a spin before exit, what if you rifled the inside of the exhaust pipes to give the air a “laminar flow” by giving it a consistent spin

[@JohneeB]

Whatever you want, OJ can do it!

[@yhelloh]

13:40 sounds like a modern mix of the Ferrari 312 and a Ferrari 1512. Maybe a BRM p180. I commented on the first video saying it sounded muted and muffled but I failed to realize that the goal was pure numbers. 90 from just the exhaust system is crazy...

[@BSMARSBSMARS]

Would be fun to see you guys make a VQ sound good lol

[@trunk8d]

@09:12 nice plug. diggin your exhaust vibes man.

[@George-zb6xg]

I would love to see what yall could do for a acura rl. These cars had the same block design as the acura nsx and with a simple muffler delete it sounds fairly good. Could only imagine how one of these cars could scream

[@grantlawler8106]

Just subscribed and would love to see more videos explaining how you manipulate how the exhaust sounds.

[@chadwickbricker3832]

Great videos! The XK8 I think would benefit performance wise and majorly improve the exhaust sound. From factory it's being choked. Theirs 2 cats 2 resonator an 5 mufflers. But if you listen closely you can hear a quiet scream. You should help it be heard.

[@farnoodbakhshi]

Hey guys, love the videos. Very interesting and different type of content. Can you build one for an E9X M3? I want to see how close we can get it to a F1 noise or a more exotic tune.