Do X-Pipes Really Make A Difference? BMW V8 Turbo Exhaust SOUND
Do X-Pipes Really Make A Difference? BMW V8 Turbo Exhaust SOUND
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The v8 that sounds like an inline 4 until the very high rpms
You nailed it!
I think that’s because of the valves. The valves on bmws don’t fully open until exceeding a certain speed or rpm but you can get around with an exhaust module.
The X pipe gives it the unique V8 sound. Stock sounds like 4 cylinder.
@@Mustafakhan-qg6nvexactly. The valves need to be opened and kept that way using a wire or zip tie
@@Mustafakhan-qg6nvthis doesn't have any valves due to the aftermarket exhaust
I have a LS Commodore with an x-pipe and I made my own h-pipe (amateur welder) and during making it, i tried it with just dual pipes like this BMW had and it was horrible. It droned like crazy and lost so much power. The h-pipe i made sounded awesome at low revs, gave it a proper old school roar but i eventually put the x-pipe back in. It just sounds better at high revs. Either way, you definitely need a cross over pipe.
On my 5.7l v8 tundra I tried a dual in dual out flowmaster 40 series and a super 10 ,not much sound but loud drone .I finally took the super 10 off and put a $22 x pipe in its place and wow! You can hear the firing pattern kinda like a charger hemi rt with nice deep tones .
Running an X-pipe on a n/a V8 has gains because of the scavenging effect and will also def. help improve sound as well as a slight boost in power... I've tested it with and w/o x-pipe on one of my cars which is a 4.2L V8 Audi which still has cat-less downpipes + magna flow x-pipe + custom 2.5" piping w/ resonators deleted + aftermarket mufflers vs same setup w/o x-pipe and the difference in power especially in the mid range was significant enough for me to go back to running the x-pipe
Would love to see more videos like this as it's something I've spent a long time researching. I have an F15 x5 50i and recently removed the resonators and added an X-Pipe. It made the N63TU sound a lot more "exotic" in a way, not to dissimilar to the mid rev tones I can hear from this S63. Next step is to remove the rear suitcase muffler and either run a "turbo" muffler or just a vibrant ultra quiet resonator style muffler for a touch more volume.
I have to say we are pretty confident the worst part about this sistem is the small resonators. If it was my car, i would be getting rid of the stock downpipes first and maybe even put a stock rear muffler back on.
@@ZeroTo60Tube Yeah the lack of baffling would definitely be the cause of a majority of the drone/buzzing, especially without the banks being crossed over. Megan racing rear muffler would probably be a nice sporty middle ground
When I had my F15 x5 50i, all I done was remove the front resonators, didn't even put an X-Pipe and it gave it a great note, the guys at the dealer always commented on it. It would be interesting to see what it sounds like with different rear muffler/s
Waste money same sound doesn't make any difference
Sounds so much better! Well done!
Thanks man! Nice to see you in the comments still!
@@ZeroTo60Tube yeah man, for sure! Haven’t even got my 335i anymore! Content is good to watch keep it up 👍🏻
From what I've seen so far I think I'm gonna go with downpipes & a X-pipe with stock rear muffler on my X6M that should sound TUFF! 😤 my brothers got X6M as well & the drone is caused by that rear muffler setup. He put a Fabspeed rear muffler on it which is basically the same as the custom job. Caused it to drone at highway speeds.
Exhaust bro Brock's mullet is inspirational. So much better w/x-pipe. Almost sounds like it revs a bit quicker but don't know why that would be unless the scavenging is hugely beneficial on this car.
Nice...Very nice gentlemen. Good work making that sound more like a V8 rather than two 4 cylinder sets running simultaneously.
I’m sticking with my s65 double x pipe. Sounds amazing!
I have a 02 4.6 where would I get a xpipe for mine like the one you use in this video??
I was happy with my exhaust until I watch your video 😅 Definitely need an Xpipe now on my X5M. Great job with the videos.
Cattless pipes & Xpipe with stock everything else , works a treat on my N63 TU
yes i've noticed before.. X pipe is what gives it the V8 sound. Stock X5M, M5 and M6 all sound like like 4 cylinders.
Wow sounds wayyyy better with the X pipe
What would you guys suggest for a turbo I6? The new Jaguar/Land Rover AJ300 Ingenium's are great engines but there isn't much available for aftermarket exhaust outside of the F-Type. Working on planning a custom system on my F-Pace.
Imo if you have two banks ie a n/a or twin turbo setup there should be an x pipe. It’s going to take away that low and mid rpm drone and sounds more clean up top.
Have a link for the x pipe?
I always said that the s63 engines doesn't sound like v8, X-pipe makes huge difference!!!!
Before the h/x pipe Sounds like when you blow through a kazoo as a kid definitely an improvement on sound I have the same pipe if yours was 3in(76.2mm) haha
Huge difference in sound, it doesn't sound like a shopping trolley anymore! and I'd imagine the scavenging effect has made a noticeable improvement in throttle response particularly down low. In saying that, I do have two questions. 1: have you noticed any changes in the turbine behaviour with the X pipe, and 2: do you think it would warrant PCM tuning on account of the scavenging effect?
To be honest not really in the way it comes on boost. But the top end when the motor is really pumping some air. It’s absolutely more free. While a tune may make a difference, I doubt it would ever be noticeable.
Anyone know where I can get x pipes for a 2014 750li x drive ?
So much better! It almost sounded a bit Subaru-ish before the x-pipe, now it's a proper V8.
My take was, it sounded like two 4 cylinders running at the same time. 2 4 cylinders that are owned by teenagers haha
True. X pipe is THE trick for these engines.
@7:20 and more to the point, an X pipe makes scavenging available to the next pulse on the opposing bank, where normally that pulse wouldn't be paired
Hmmm… I’ve got a V8 E53 and have been considering a h pipe installed where the central resonator is. Apparently a h pipe allows slightly more torque at lower rpm and also has a lower exhaust tone. Thoughts?
I mean definitely give it a go. I dont think it can make it worse. It seems the h pipe is going to give a more lumpy sound as well, which would probabaly go well with the m62/n62 engines
I removed the resonator on mine. Just did 2 straight pipes. I think for the effort/cost of the H, you won't notice any difference. The sound was night and day with the resonator removed and I really liked it. No drone on highway, etc. The muffler shop didn't want to do it and claimed it would cause problems with the engine-I told him I would worry about that! No problems at all.
Hi guys I have a 2011 x5m and I'm in need of better noise currently has a after market exhaust and downpipes was just wanting to talk to someone about it and wanting some tuning done also wanting some advice on what to do. Love the channel
Hi Mario, other what you have seen in this video, i dont have much useful info to offer in regard to further tuning or work on this platform.
I do think it needs a tune I really want to get pops and bangs and maybe a cold air intake. Is that something you guys can look at ??
Did they mod the exhaust to make it quieter? I never heard one sound like that. My old f30 328i was louder than that. Sounds much better now but I think it should still be louder since it’s modded.
I kind of agree. Pre x pipe this was insane on cold start. Removing the rear muffler definitely made it louder, but it doesn’t seem to increase volume much. It’s still got the turbos and cats at the end of the day which will stop a lot of sound.
My original n63 exhaust sounds lot better and louder than the crap they’ve got here. Get rid of cats and code pops and bangs
The way the hot V exhaust ports are paired is the problem for getting a classic V8 sound out of these.
Much better!
its those back mufflers mate
What is that flutter. Prevalent in both exhaust systems.
This BMW with x pipe kind of sounds like a toned down Porsche 911 or Ferrari 😁
I use X-pipes on my N/A V8s, never thought of doing so with turbos. I would actually expect power loss, but I could definitely be wrong. My understanding is its minor power gained/lost anyway. I think the biggest gains I see with v8 xpipes is a smoother sound, reducing drone. Now like everyone else, I need some magic solution to make my N54 sound better. Big single bottom mount might be that solution.
andrew it was a win it got rid of resenance drone and it can be anoying i have it on my 335i vrsf exhaust cheers glenn
Drone was slightly better, but not as good as i was hoping. It definitely sounds like its revving a lot easier, and the decel noise was a huge improvement. The weird buzzing it was doing on decel is completely gone.
@@ZeroTo60Tube i think he should remove the resonators at the rear it should not be much loader as the turbo's will muffle a lot of the noise and it should be a deeper note
Sounds much better with the x pipe. What I want is #s. Didn't he x pipe make more hp? I removed the muffler on my x5 50i and it sounds better that that m. I left the stock resonators in and I haven't noticed any drone. Then again I may be numb to drone after years of driving rx-7s with modified exhaust. I have a vid up of it if you want to check it out. I like how mine has that Harley blat to it but if the x pipe makes more hp I would do it.
In general, the N63 sounds more like a traditional V8 than an S63. This may attributable to the intake, exhaust or some other factor, but most of the work was already done for you by the factory.
@@FiveBoroNative I think the sound difference is due to the exhaust manifolds. The n63 has just one bank feeding each turbo. The s63 has crossover manifolds with 2 cyl of each bank feeding each turbo
Heaps of difference, has the V8 burble and can hear the turbo spool down clearer as well.
In car it seems to sound like it wants to rev more freely, but the big difference was off throttle deceleration. I can't believe it to be honest.
Wow soooo much better with the x pipe
Wow that made a huge difference, could do with some downpipes tho 😏
I agree there!
Makes a very nice sound now. Great "simple" upgrade, guys. I love it. Dutch regards. Nico.
Thank you very much!
I am an owner of the M5 F10 with the s63 TT. heaps of power stock. unless you spend a huge amount to create a customer full exhaust with downpipes is ridiculous.
These cars definitely need a crossover (H-pipe or X-pipe), but neither will get rid of that drone because of the hatchback body. I was a little surprised that you guys did not use a higher quality mandrel-bent X pipe, but I think you made your point. The next step is adding Helmholtz resonators to the exhaust to kill the drone.
a turbo acts like a silencer for the exhaust system , why they put a big muffler and resonator on it as well from factory i don't know, the less bends and a straight through system is all it's needed , putting a x pipe or balance pipe is meant to add to the scavenger effect from the pulse coursed buy the exhaust leaving the Piston , but on turbo engine you don't need anything but a straight out exhaust, twin 3 no resonator or muffler.
Do you think a x pipe would make any difference the sound of a n54, especially one with twins. Would love to see any videos on n54 exhausts that actually make the car sound better 😅
Its on my mind after this. However i guess the position of the x pipe from the valves is cruicial. If exhaust pulses hit the cross section out of sync or un even, it wont have the full x pipe effect/benifit.
Ever slammed your hand on a bathtub draining - that's an example of scavenging. Nice upgrade to the exhaust sound !
N54 has a factory h pipe crossover. X will change the tone slightly
@@typedrew from memory your right. I wonder if a second x pipe would improve the exhaust note ? 🍻
@zero to 60 you should test it on one of your N54s! I would love that video
If you really want to understand what the x pipe does take one off the car and blow compressed air in to one of the “inlets” hold a piece of paper in front of the other “inlet” and it will actually suck the paper in.
That’s a great way to show it! Hey where’s your KZhead channel showing this stuff haha. Honestly I didn’t realise about the scavenging effect until brock mentioned it
I have a 7 series with the n63 and had alot of drone but when i removed the resonators and added the Xpipe the drone was gone and at highway speeds you dont even hear the exhaust only a fruity V8 when you punch it
you can really hear the turbos alot better. i have this engine but worse. this is the s63 i own the n63 and many parts are compatiable. 4.4L twin turbo V8
Scavenging is not an issue in turbo cars.
They come with a crossover stock. Whatever shop did that removed it. Weird.
Nah they don't, both banks are completely separate, even into the rear stock suitcase muffler
@@NaTe-Von the crossover is in the rear muffler. Which is why aftermarket systems that change the rear muffler add in a crossover elsewhere
What do you think about bottom mount single turbo?
I think underrated, I wish they were covered more
I wanted that set up for the sleeper look if cops want to be messed up. I also found out it’s cheaper then most single turbo set ups. It would be cool to install that kit. I still have my stock ones but they are giving out.
@bavarianhero top mount seems more difficult to install, but once it's there, swapping turbos is easier. But with the bottom mount, it's harder, but idk how often does one swaps turbos
@@balkaraulakh5131 not me I tell you. I only install the silicone inlets and downpipes. Unfortunately I put back the stock cats because I started having issues. The index 4 are holding up well for what they have been through. Redline or 100% alcohol, it does clean out your valves but your car will smell like rotten eggs for a while.
Low mount is good for keeping heat out of the engine bay. Not a real option for RHD guys. Well the versions i have seen have a few draw backs with out the turbo is fed. However they work well on LHD cars. I know ken from wedge has a wicked low mount setup on one of his N54s.
😂those darn regulations….in America the X5M comp sounds like a beast.
Hey Bro, hate to bring up a past topic here but, is there some way we can communicate by email or call as I am in. Qld to talk about the new BMW cluster you reviewed as I have purchased it and am in constant contact with the engineer at carlifemall about all the issues.thanks.
Hi Robert, Unfortunately i dont do one on one emails (i just dont have enough time). However you can ask any questions on here. If its about a problem with the cluster, post it on the cluster video so others can see it. I assume you bought the carlife one like mine? There have been heaps of people with problems, but they didnt buy through carlife it seems.
@@ZeroTo60Tube OK Thats fine I understand. I was just wondering how you have been going after your request for software fixes for the cluster. They have always answered all my emails within 1hr or less. They have been giving me codes to enter different parts of the software, not the 0168 or 0169. Because I am trying to help solve the tyre pressure warning as after you upgrade with the file provided, the car pic and start logo disappear, but the warning is gone.Also if people scan the cars they will also find a registered error regarding the HighBeam Assist not operational. I previously posted instructions on the other video for people to fix some issues.
Mine has been solid. Carlife emailed me a couple of weeks ago thinking they would have an update that week, but they had issues with the update they are working through. Who did you buy yours through again?
@@ZeroTo60Tube Thanks. I bought mine through Carlifemall and it too has been issue free apart from the tyre warning. They told me that only 1 persons cluster has both no tyre warning and also the car pic and start logo. You must have been the lucky one because I and others can only have one or the other at the moment, car pic and start logo or no tyre warning. Also scan your car to see if you have the High Beam Assist not working error recorded, but they work as I have tried at night. just a quick question.? Do you do any mechanicals at the Unit as I am only 10 min away from you.? thanks rob.
@@Robert-xt8vi Awww man, how bizzare. I havent actually had the car on a scanner recently so i will check it out. We do do mechanical work, but currently booked out for new clients till around May. Tuning will be available sooner.
Up the V8 Noises!!!
Huge difference and sounds 1000%. Better
Man the deceleration was crazy. I don’t quite understand how it made such a difference.
Definitely. Idk either. Without it, it sounded like doo-doo. Lol put some Flowmaster super 44 on it
@@ZeroTo60Tube X pipes sound amazing on deceleration! I have one on my twin turbo Cadillac CTS V Sport.
what about an H pipe or like a W pipe
Bro a capital T pipe would be insane
You need to cut those resonators off!
Z pipe najlepszy dla tego silnika
Now go install a set of 300cell sport cats and watch it really wake up
Now have him do a crossover H pipe 8-12 inches front of the X (yes, both) and tell me it don't sound even better.
What is the theory on dual x pipes?
@@ZeroTo60Tube Not dual X! just adding an H crossover pipe in front of the X at the mid section will give it a little burble sound. Most Maseratis come with inline H & X pipes with a resonator in between at the mid section. There are aftermarket dual Xs and dual Hs for mid sections, but nothing available with both combined.
It sounds the same to me. I would have put in a H-pipe!
I cant wait to get another x5m. Was one of the most fun cars I've had 🥲🔥
Definitely on my list of ones to own. They seem to need a lot of maintenance around the 10 year mark which is right up my alley!
Big difference
The reason for ditching the BMW cans is the weight. It's been like that for decades. No or little performance change. MASSIVE weight reduction
Do us S63B44 owners a favor and throw in a split side manifold in the same style as the N63 has and see what happens, then you will get the real V8 sound, probably you will give up some of the early torque, 1500rpm vs 1750 but I have no idea what the end result on power will be. power cant be that much different, as Mercedes and Porsche (all VAG) use the split side manifold style on their hot V8's and they all sound like proper V8 cars. My 2011 X5M really is only missing the true V8 sound which the 50i has I am thinking about buying an used X5M manifold and chopping it up to split the sides Dont care about the marginal power loss, I want it to burble like a true V8
5er sounds way better 3"dps no cats, Dinan 3" from there back to a Turner mufller delete. Auditory bliss 😈
That thing needs catless down pipes and it’ll sing
Personally those cats would don't do the engine any favors at all. But the X pipe makes it sound Right in the burble or rumble as it pulses. IMHO.
Agree 100%
I don't like welding the top of an exhaust pipe while it's still on the vehicle. It's such a pain in the ass, a beautiful weld on the bottom and the top looks like a kid was trying to learn how to weld by himself...lmfao.
different for every car btw
those mufflers are wack to on it. I run a 1o series flow master dual in dual out. and u wanna talk about v8 sound. !! id get rid of the mufflers on this thing and do a single muffler Dual in/out!! valve seals on deck I see
still sounds kinda meh for what it is, I guess it needs catless downpipe as well :D
I think so!
150$ 😂 Brock stop u know damn well that XPIPE in your hand is a $40 amazon crappy X-pipe!! AND to ADD TO THE "XPIPE" TALK A DUAL or DOUBLE XPIPE EXHAUST SOUNDS PRETTY AGRESIVE AND DIFFERENT!!
Big difference between what we can buy online and what a local shop can have delivered same day if a customer walks in.
A v8 that sounds like a honda, how's that. MUCH better after X pipe install.
How can a basically straight piped v8 sound so bad and quiet
Turbos and cat converters will do that.
Sorry Guys but you have to understand, WHY these M-Models with Crossplane V8s doesn't sound like those Types of Engines. To feed the two Turbos with as constantly even pulsing Exhaust Gas as possible (to spin up quicker), all the 4.4 V8 BiTurbo from M-Division (namely the S63) has Exhaust Manifolds which collects 4 even firing Cylinders across the 2 Cylinder Banks (possible by the Fact, that the Exhausts are on the opposite Side of each Bank in the Hot V). Completely different to the same Engine with less Power in the 50i Models (N63 Engine), where each Manifold gets Gases from the 4 uneven firing Cylinders of each Cylinder Bank. To add a Cross Pipe to a S63 Engine just for the Sound is senseless. X-Pipes normally are mixing uneven fired Cylinder Pulses of each Cylinder Bank to mix there Sound and to interference it and double the Pulses. In an Exhaust, where even fired Cylinders are already collected, it makes nearly no Difference. And that's exactly what you hear in your Video. I can't hearing any Difference between bevor and after. If you want really good Sound from a Crossplane V8 with an X-Pipe from Stock, you have to do, what I did 5 Years ago: Buy a Maserati GranTurismo. That's X-Piping on a whole different Level: kzhead.info/sun/mdived2RkJ53lo0/bejne.html
That's got to be the most underwhelming V8 ive ever heard. Even with the X pipe. That is not money well spent !
This is a 320 I sound 😂😂😂😂
The original exhaust sounds TERRIBLE! Like another comment, it sounds like a fluffy farty 4 cylinder lol
Also, let’s be honest any turbo “hot vee” V8 sounds like shit compared to an NA crossplane V8. Sad, gotta get me an E90 M3 ASAP.
man i didnt want to say it on camera, but i think before the x pipe it definitely sounded like two 17 year olds driving by in two 4 clyinder cars with muffler deletes.
Sounded crap either way, sorry 😬 I think the problem is the turbos muffle a lot of the V8 throb
Sounds exactly the same either way......weird
from memory around 70% would hit that 26/27 psi.
no big difference, i woulnt invest 100$ for that.
Bottom line is... It didn't do anything. Let's be real.
Can you honestly not tell the difference? It does help if you have headphones, not listen on your phone. Easiest way to tell is on decel. Huge difference.
Wow! I’m first lol
And First
Am I tone deaf there is no difference ?
Have another listen. Definite improvement.
You may need some decent headphones to hear it fully. However the deceleration was what i noticed as the biggest difference on the footage.
I know they make eleventy billion horsepowers, but damn those engines just sound like ass
That is the worst sounding V8 I've ever heard, I'm assuming it has a flat plane crank, if it doesn't im baffled why it sounds like that. Even so it's a crummy sounding V8, noticably better with the x pipe but still awful.
v8 sound is so boring.. sorry, inline6 has the best sound. next is v10/12
All engines matter!
Sounds same 🤷🏻♂️
Where’s the e53’s ? These new models are rubbish