Chopstix Kid· Premium Member
Thanks for no help, you are amazing..... Plenty of people love the rzrs... just want them a little quieter, that's all we're talking about.My 2-cents... if the noise bothers you, put on a head set. If you want music, get a head set with good audio speakers in them. If you don't want to cover your ears and the noise simply just bothers you, buy a Jeep.
Can I get my money back?My 2-cents...
This is where moderation bites us. Had the previous posts arguing about this exact statement not been deleted, maybe he would have seen that his post is redundant and not made it.Thanks for no help, you are an amazing..... Plenty of people love the rzrs... just want them a little quieter, that's all we're talking about.
I was serious about the headsets. Plus you can get the benefit of integrated communications or radios if that’s your thing. That’s what I do. The Jeep was a joke. Don’t buy a Jeep.Thanks for no help, you are amazing..... Plenty of people love the rzrs... just want them a little quieter, that's all we're talking about.
I understand a headset is one solution, but myself and others aren't interested in that. We just want to reduce engine noise and fully understand it will never be 100% quiet. Plenty of people have reduced noise in their machines through insulation, rear window, muffler, etc... this thread is intended to consolidate some of that for the pro xp and help everyone understand what difference was made. I have the wolfsnout rear heat shield and will receive my rear window on monday, in next week or two I'm going to remeasure sound before and after for each part to understand more objectively the difference made and will share on this thread. I'm also talking to a few shops on a full custom exhaust with better mufflers, resonator, etc... will post same info once that's done probably in 2 to 3 months.I was serious about the headsets. That’s what I do. Makes a world of difference when going fast. Plus you get the benefit of integrated communications or radios if that’s your thing. That’s what I do. The Jeep was a joke. Don’t buy a Jeep lol.
He had already posted that he DIDN'T want to use a headset..... So why post it???I was serious about the headsets. Plus you can get the benefit of integrated communications or radios if that’s your thing. That’s what I do. The Jeep was a joke. Don’t buy a Jeep.
I have a '19 xp4t and a '21 Pro XP and I also noticed how much louder the Pro is. To me, it's the exhaust. I can sit there right behind either idling and there is a noticeable difference.When I bought my pro, the first thing I noticed was that it was noticeably louder than my xp1k. Everyone seems to be addressing engine noise, but what I noticed was the noise comes from the inboard facing intakes resonating inside the bed. I can clearly hear those intakes making a lot of noise. That is the one big design change I saw with the new body style. When I get mine back together ( doing gear reduction) I’m going to tape off the inboard intakes and see if that really is the extra noise I’m hearing now. Even at idle, the clutch intake makes a pretty good noise. In a 2 seater that is right behind your head.
I lined the entire rear firewall, center console, and some of the front of my 4 seater with mass loaded vinyl (sound) and heat reflector. I also did foam backed liner on the roof. It made a big difference in interior heat and a small difference in sound. I'm also in the process of building some interior door panels with mass loaded vinyl and upholstery. I'm curious how it will affect sound. This is just the plastic backing plate I cut out. I should take some db measurements before and after to see, can't imagine it wouldn't help quite a bit.Has anyone tried painting / spraying the back side of the interior panels with a product like lizard skin?
I have a '19 xp4t and a '21 Pro XP and I also noticed how much louder the Pro is. To me, it's the exhaust. I can sit there right behind either idling and there is a noticeable difference.
For the most part, I agree with you. But the engineering and experience that goes into RZR suspension would be impossible to acquire for most people, and even for those who are smart enough to grasp the concepts, would take decades of experience to acquire. But I digress ...The Pro XP was our first side by side in 2020 after coming from 30 years of racing motocross and snowmobiling. The quality difference and the attention to detail in the assembly of sxs machines compared to dirt bikes and snowmobiles is disgusting. Paying 10 grand for a dirt bike or 15 grand for a snowmobile is average and I have never had one that came from the factory with stripped bolt holes and stupid engineering features like the airbox on the pro xp. Who thought needing to remove the firewall to change the air filter was a good idea? If they flipped the air box the other way so you could access it with the cargo bed removed it would make life easier. Every time I change the oil I change the air filter as well so it just makes sense to have the airbox accessible at the same time without having to fold up the seats and remove the firewall.
Anyway, I know this is totally derailed. We love our Pro XP and after 3 years of working on it and maintaining it I have just accepted that side by sides are $30,000 pieces of plastic junk engineered by the same people that designed the Ford Pinto and assembled by drunken teenagers on a Friday afternoon.
I don't have the energy to discuss how unimpressed I am by the Polaris engineers ability to utilize and refine basic control arm/trailing arm suspension geometry that's been around since the mid-1900's.For the most part, I agree with you. But the engineering and experience that goes into RZR suspension would be impossible to acquire for most people, and even for those who are smart enough to grasp the concepts, would take decades of experience to acquire. But I digress ...
Meh ... I don't recall seeing any horse buggies doing 80mph offroad in the 1900's so I'll give credit where credit is due. I've built 4 rock buggies from the ground up in the past. Getting suspensions as tuned as my RZR came from the factory is not easy.I don't have the energy to discuss how unimpressed I am by the Polaris engineers ability to utilize and refine basic control arm/trailing arm suspension geometry that's been around since the mid-1900's.
I would be happy if they just raised their quality expectations during assembly and held their employees accountable for slapping stuff together with minimum effort.
This is some interesting and valuable info.I finally got around to installing the following parts. I did this in the order below and measured decibel reduction at idle, 4000 rpms, and 6500 rpms after each part I installed. All readings below are from 6500 rpms.
Note: when measuring on the db meter the db's jump up/down quickly and there's a slight delay in the reading vs the noise level, so it's hard to get a precise reading. Readings very drastically if you move the meter around. I kept the meter on the exact same spot on the steering wheel to keep it consistent.
- Double Ott Pro XP Inner Wheel Well Block Offs - ~.5db vs nothing
- Boat Foam Decking on the Inside of the Roof - Meter didn't measure a difference, but did seem like some of the higher pitch was better
- Wolf Snout Rear Heat Shield - 4 seat- ~1-1.5 db difference vs previous step
- I added an extra layer of Siless 157 mil foam to the shield
- Installing this heat shield is much easier than applying sound deadening foam to the plastic panels, took me about 10 mins to install the panel, it's easily removed, and the panel seems to be easy to clean by pressure washing.
- Double Ott Rear Window with Speaker Cutouts- ~1-1.5 db difference vs previous step
- Note: this does work with the Polaris tire carrier and the Jemco PXP Xtreme cargo box. I wanted to get the Dirt Warrior Accessories Rear Window with Speaker Cutouts, but they said it doesn't fit with the Polaris Tire Carrier.
Overall at 6500 RPMs with nothing it was roughly 93-94db after everything was on it was 90-91db, that's about 3-3.5 db reduction, which a 3db reduction is 50% reduction in sound energy. How you perceive sound is different than sound energy, it didn't sound half as loud but it was noticeably quieter than with nothing.
After I did everything above I also threw a moving blanket over the bottom of the rear seats and the foot well(didn't cover it completely), this reduced it about another 1db. I'll be looking into what I can do to insulate the seat bottoms and the foot well at some point in the future. I will also be doing a custom exhaust with 2.5" pipe, 1 Large Resonator, and 2 Large Mufflers around March.
I'll report back when I do these additional items.