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Yoshimura RS4 Quiet Exhaust Mod CRF450l

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Dads Domain

Dads Domain

Күн бұрын

After installing the Yoshimura RS4 exhaust and Vortex ECU on my CRF450l I've been enjoying the power but the extra noise of the RS4 was wearing on me a little. I wanted it quieter than stock but the sound I was getting was more than I wanted. After some experimenting I came up with a FREE way to quiet the exhaust down by 50% and still have tons of power.
#crf450l #yoshimura #RS4
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Пікірлер: 62
@billyarsenault1970
@billyarsenault1970 3 жыл бұрын
Ok. All of you who don’t get it. The stock muffler weighs a ton and has a catalytic converter in it that bakes like an oven. Soooo.... we buy an aftermarket exhaust that is 8 pounds lighter and then we mod it for quietness. If we get some extra performance and it sounds better - thats great. But no matter what we still the lose that 8 pounds of high placed weight and that scorching hot converter.
@DadsDomain
@DadsDomain 3 жыл бұрын
For simplicity the Q4 would have been a lot easier. But the yoshi still looks better so in the end, while it was more work, I ended up in a good spot and it’s only slightly less powerful with the mod I did. No regrets and well said on your part!
@billyarsenault1970
@billyarsenault1970 3 жыл бұрын
@@DadsDomain There is nothing to regret. FMF customer service is horrendous lately and the Q4 system is a mess. Mind bogglingly you need the 1-1/8 th diameter arrestor insert from the PowerCore to even make the Q4 a bit quieter but it’s not a direct fit. You have to cut the arrestor screen to make it fit and drill out and enlarge the retention screw hole. All because the Q4 quiet insert that is sold separately has a larger 1-3/8 diameter that is still too LOUD. BUT- getting any of these inserts can often be a pain in the ass. You may see them for sale but some of the people who order either got something different or nothing at all. And FMF stopped selling the PowerCore insert separately because they know everyone is defeating the spark arrestor to get it to fit the Q4. What a joke. Forget it. Have a great one brother- hope everyone is good.
@davidsalo8397
@davidsalo8397 Жыл бұрын
I like my Q4 FMF on my 450 RL. It came with a 1.125 insert.
@coolbananaboy5075
@coolbananaboy5075 4 жыл бұрын
Good comparison - especially where you had the camera on the side of the trail and rode past it with the different set-ups. Thanks.
@jcd5979
@jcd5979 Жыл бұрын
I love the modified exhaust 👍
@Chris52169
@Chris52169 5 ай бұрын
That's sounds awesome good job. This was the best sound comparison i have seen and heard. These are great video comparisons i like how you did several different shots and speeds. I will definitely be doing this to mine if it will work because I added the rs9 daul exhaust from yoshi. Just to answer the questions that does required a rear subframe change, and airbox swap from a 2019 450r as well.
@downey318
@downey318 4 жыл бұрын
That pipe dose sound some awesome I like it
@DadsDomain
@DadsDomain 4 жыл бұрын
Yes I love the tone. And if I was at the track the standard insert without the spark arrestor would have been my choice. The sound was really good, loud, but awesome
@Thorins_Fury
@Thorins_Fury 3 жыл бұрын
That sounds so much better...still a good sound but not obnoxiously so either.🙂
@DadsDomain
@DadsDomain 3 жыл бұрын
I have zero regrets about doing it, I did a 90 mile ride with my dad on pavement and I wouldn't have enjoyed the Yoshi out of the box for that long
@rocketrollsvlogs7625
@rocketrollsvlogs7625 4 жыл бұрын
Yeah, the wind is the real enemy. Looks like a good fix. I know I don't like loud pipes. Can't wait to see what you do with the tires.
@DadsDomain
@DadsDomain 4 жыл бұрын
One thing I'm hoping helps is when I get a nicer helmet. I think they have better sound protection as well. For the moment I ordered some cheap ear plugs on amazon. I ordered the Tusk dual sport tires for the bike and they finally arrived. Should be able to get them on in a couple weeks. June is clogging up fast but hoping to get some good miles on the bike in July.
@one_giant_leap
@one_giant_leap 4 жыл бұрын
Nice vid. Thanks for the comparisons. I want the FMF 4.1 RCT Titanium, but they are out of headers. Vendor suggested the Yoshi or buy 450X stock header for the slip on, but I'm holding out.
@DadsDomain
@DadsDomain 4 жыл бұрын
I think it’s always best to hold out for what you really want if you can. Just sucks to wait sometimes!
@HWRMKing
@HWRMKing Жыл бұрын
I know this is an old post, but I thought I would share my experience modifying the Yoshi on my 450l. I bought the Lexx quiet trail insert from Rocky Mountain, cut it off and welded it to the Yoshi Rs4 spark arrestor. This Reduced the sound by 7 dB. It still sounds great and performs reasonably well. Using the same vortex mapping, I did lose some power off the top end, but but for me it us a reasonable trade off.
@iteotwawkiaiff8948
@iteotwawkiaiff8948 2 жыл бұрын
Genius!
@cheazilla
@cheazilla 4 жыл бұрын
gotta see that traction control video now!
@DadsDomain
@DadsDomain 4 жыл бұрын
I may have to wait a couple weeks to get that one done but we should get my brother in laws bike done this weekend. Hoping to film installing the San Diego power house kit in his bike
@thierrybombardier2268
@thierrybombardier2268 3 жыл бұрын
Hi, I'm looking to do the same mods! thank you for sharing this! What setting did you finally use on your Vortex ? Do you run it with open airbox ? Thanks!
@Shaymer705Racing
@Shaymer705Racing 4 жыл бұрын
Are you going to do a side by side between your and your brothers bike with the race cam? Dyno figures etc? Big difference? Thanks.
@speedber36
@speedber36 Жыл бұрын
Hey! I bought the yoshimura pipe but I have a lot of backfire. Does the vortex makes it better? Thanks
@HusseHeiza
@HusseHeiza Жыл бұрын
Did you Change the Vortex settings again? It feels like the exhaust is getting way hotter now. Thank you, Greets from Germany
@markcollins5026
@markcollins5026 4 жыл бұрын
Man, thanks for the tip !
@DadsDomain
@DadsDomain 4 жыл бұрын
No problem! Hopefully it helps some people out. I know others have said the Yoshi is just that little bit louder than they want
@andrewhume7410
@andrewhume7410 2 жыл бұрын
I would really appreciate it if you could briefly explain how you salvaged the mid pipe heat guard? Welding involved? I will be getting one for my 300L very soon and I have noticed online that hardly anybody is using the heat guard...but I think it's a smart idea. My brother in-law is a welder - I don't need all the details, just a coles notes explanation when you have the time please. Thank you in advance.
@josephjoestar5444
@josephjoestar5444 2 жыл бұрын
It’s the stock one. The 300l should have one but I’m not 100% sure. It’s on with 2 clamps I thinks so just pass it Over
@theravedaddy
@theravedaddy 4 жыл бұрын
I modified my fake FMF (original costs more than the bike here!) By welding 2 soup spoon handles to a stainless eggcup. I had to weld that to the inlet pipe as theres no such thing as a 'tip' in thailand so the can had nowhere to attach a tip. Yesterday on the mountains i heard a group of 6 bikes struggling with a steep incline..... 15kms away! BIG NOISE equals BIG POWER here... i cant understand why most of them arnt deaf.
@DadsDomain
@DadsDomain 4 жыл бұрын
Sometimes you gotta make things work with what you have! My brother in law had a white brothers carbon fiber pro on his 450 and that thing was crazy loud. He loved it but I remember thinking even at the track it seemed too loud
@theravedaddy
@theravedaddy 4 жыл бұрын
@@DadsDomain i blame the shark RAW helmet for killing my ears. 1st long ride with it- tinitus next day. Never had a problem before wearing that thing.
@josephjoestar5444
@josephjoestar5444 2 жыл бұрын
Where did u get the fake fmf
@hernanvidaurre4258
@hernanvidaurre4258 3 ай бұрын
Hi how can i take the insert when is trap i cant take it out thanks
@MrRobLacroix
@MrRobLacroix 4 жыл бұрын
Mine didn't come with 2 tips, just the spark arrestor.
@DadsDomain
@DadsDomain 4 жыл бұрын
That’s odd as they are supposed to include both. I would call them
@stevenleininger5682
@stevenleininger5682 4 жыл бұрын
Rob the 2 tips are the one that was originally in the exhaust and the spark arrester is the 2nd did yours come with the arrester installed already?
@CheetoDink
@CheetoDink 2 жыл бұрын
Should of just left the stock pipe on
@mouseymcnabb4783
@mouseymcnabb4783 4 жыл бұрын
How do you like the pro taper bars ?
@DadsDomain
@DadsDomain 4 жыл бұрын
I really like them. Sometimes I wish I had gone with rental fat bars to try something new but this was the second time I have had this bar and I knew I already liked it
@mouseymcnabb4783
@mouseymcnabb4783 4 жыл бұрын
@@DadsDomain I've just been trying to decide which to go with on the fat bars also trying to talk myself into a mako 360 bar clamp but dropping $500 on a bar and clamp is tuff lol
@rockyesterline7942
@rockyesterline7942 Жыл бұрын
You need a Vortex ECU with that pipe I know because I did that all to my 2022 CRF 450 RL
@speedber36
@speedber36 Жыл бұрын
Because of the backfires?
@buthaproductions7586
@buthaproductions7586 3 жыл бұрын
Why get a yoshi if you want a quiet muffler
@ryancook2319
@ryancook2319 2 жыл бұрын
Are you still running this mod ? I hate the sound of the RS4 It’s ear bleed volume imo
@DadsDomain
@DadsDomain 2 жыл бұрын
Yep I still have it on and its holding up well. I would have done the Q4 if I could do it over again.....sometimes I want to buy one just to compare directly but I also don't have $400 to just toss around 😉
@johndaroza2987
@johndaroza2987 Жыл бұрын
I have a supper loud 250l 30hp. The mufflers all are made too small in the chamber . The chamber need to be longer and wilder the holes need to be bigger in the chamber there needs to be more packing in the chamber. The hole coming into the chamber needs to be has big going in has out . Your spark arrestor is way under sized . Air movement Needs to keep swirling all the way out the exhaust or You lose a lot of power. I have a 2013 CRF 250L 21HP . With a good tuned exhaust EKU controller no air box mod. 30hp . I am in the process Working with a company to make a proper muffler and a much lower DB. It will be bigger has It needs to be to kill the sound. I will add 2 pounds so it will be 10 pounds . Still much lighter but quiet and no loss of power. Sport bikes have good mufflers. Dirt bikes do not and are heavily restricted To meet requirements.
@davidenglish2003
@davidenglish2003 4 жыл бұрын
Of all things you need tires
@DadsDomain
@DadsDomain 4 жыл бұрын
Ya I probably should have done them sooner. They are on the list though. I will have different ones before the summer is over
@stevenleininger5682
@stevenleininger5682 4 жыл бұрын
Cool vid .please someone send dad some Sawzall blades lol 😆
@DadsDomain
@DadsDomain 4 жыл бұрын
Ya I told him I would bring him some next time!
@hankhamblin2314
@hankhamblin2314 3 жыл бұрын
just why
@ezekielchariot
@ezekielchariot Жыл бұрын
Funny that Yoshimira claim the sound reduction using their spark arrester is "Significant", they must have gone to a different school.
@timmy4468
@timmy4468 Жыл бұрын
Since when did iron man have a KZfaq channel
@TheMentch171
@TheMentch171 4 жыл бұрын
“How to ruin a perfectly good Yoshimura exhaust”
@DadsDomain
@DadsDomain 4 жыл бұрын
I was watching the clock for that reply to come in! 🤣
@DadsDomain
@DadsDomain 4 жыл бұрын
@@JetSkiSuper7 Yes I'm personally more of a fan of the sound a two stroke makes as well. I love our YZ65 my son rides. Another idea i had that I didn't try was to pinch and fold the screen on the yoshi spark arrestor to block some flow. If you're not using yours maybe thats worth a free try?
@carsonjohnson1845
@carsonjohnson1845 4 жыл бұрын
No is not ruining it
@billyarsenault1970
@billyarsenault1970 Жыл бұрын
Better to ruin the exhaust than to ruin the ears of everyone he loves- As well as his own ears which I’m sure are not getting any younger. Do you really think he’s going thru all this for shits and giggles. If your ears are ringing after riding that means you have done permanent damage to your ears and ears do not heal. One day that ringing in the ears does not go away and then it’s game over- Remember that.
@SurRon_OffRoad
@SurRon_OffRoad 4 жыл бұрын
ffs...why buy a yoshi then??????
@DadsDomain
@DadsDomain 4 жыл бұрын
Well if I could go back I wouldn’t do it again. I think a Q4 slip on would work but this was $0 so I would rather at this point try to make what I have work
@richardgatto7630
@richardgatto7630 3 жыл бұрын
@@DadsDomain I have a 450L and I am thinking of a Q4 Slip-on per your suggestion. If I do a slip-on do I have to change the pipe? If so, what are the options (mega bomb or 450x stock?)?
@ryancook2319
@ryancook2319 2 жыл бұрын
I have never hated an exhaust more than this RS4 I should have found your video sooner. I keep hoping they will come to their senses and make a smaller insert
@josephjoestar5444
@josephjoestar5444 2 жыл бұрын
@@ryancook2319 u think it’s too loud ?
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