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Discussion Starter #1
Hi,
I am interested in everyone's thoughts and opinions on the MSO HDK for the 570s. Personally I think it looks great and it improves handling with an extra 75kg of downforce, so is it something worth getting? I have never really been a fan of the other after market wings I have seen in person and online.

 

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Saw one last weekend at a cars and coffee. Looked good. Owner is happy with look and improved stability on track. Did say he had to adjust to some slight loss of interior mirror rear view.
195699
 

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Discussion Starter #3
I haven't seen one on an orange 570s before! I spot one on a blue car with a full carbon rear end almost the same as the video. Are there many around or are they still unusual to see? Thanks for the reply
 

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I haven't seen one on an orange 570s before! I spot one on a blue car with a full carbon rear end almost the same as the video. Are there many around or are they still unusual to see? Thanks for the reply
At this time unusual to see. This is the first MSO dealer installed wing that I have seen on a 570S. Have seen a couple of after market wings on 570S. You could ask your dealer how many they have installed. It looked like cut outs have to be made in the rear deck for the wing supports to pass thru — there are small covers that fit over the cutout areas to give a clean look.
Also the MSO wing has a small rear brake light in the center.
 

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Not everyone gets this, so to be clear: meaningful downforce is generated at speeds greater than street/highway driving. The spoiler will provide zero benefit except for on track, and even then only certain use cases - most corners are not fast enough to benefit rendering the downforce/wing to a singular stability-on-long-straight benefit.

But it does look cool! :)
 

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I added the kit to my 2016 570S primarily for the way it looked. Only downside is that it does cut right through your rear view mirror view at a perfect height to block the light bars on any following police cars. Not that rare in the SF Bay Area. When I had mine done six weeks ago it was #7 and the last cars and coffee I went to there were four 570s and three had the wing. (My white one, a gray spider and an orange spider. The fourth car was a 570GT which can't fit the wing anyway...)
195706
 

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I added the kit to my 2016 570S primarily for the way it looked. Only downside is that it does cut right through your rear view mirror view at a perfect height to block the light bars on any following police cars. Not that rare in the SF Bay Area. When I had mine done six weeks ago it was #7 and the last cars and coffee I went to there were four 570s and three had the wing. (My white one, a gray spider and an orange spider. The fourth car was a 570GT which can't fit the wing anyway...)
View attachment 195706
Your car looks great!
 

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Discussion Starter #9
I am from England so don't have to worry to much about police as they use speed cameras instead over here. I totally understand how that could be a pain though. How much do they cost in California? my local dealer (Birmingham McLaren) quoted me £7499 fully fitted which is about $9150.

Nice photo I really like the colour!
 

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Much better pricing in the UK. It was $13,500 here including installation and all taxes. (about £11,000 at the current exchange rate)
 

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Not everyone gets this, so to be clear: meaningful downforce is generated at speeds greater than street/highway driving. The spoiler will provide zero benefit except for on track, and even then only certain use cases - most corners are not fast enough to benefit rendering the downforce/wing to a singular stability-on-long-straight benefit.

But it does look cool! :)
Well said
 

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Not everyone gets this, so to be clear: meaningful downforce is generated at speeds greater than street/highway driving. The spoiler will provide zero benefit except for on track, and even then only certain use cases - most corners are not fast enough to benefit rendering the downforce/wing to a singular stability-on-long-straight benefit.

But it does look cool! :)
Not only that, but McLaren spend a considerable amount of time designing their cars to maintain an aero balance across the range of speeds at which they will be used. Any meaningful amount of downforce that is added to one end of the car should be complemented by a similar increase at the other end. The more "effective" this rear wing is at any speed, the more the car will understeer.
 

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The kit has guide vanes to balance the front to the wing. 720 has them also fyi.
 

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Not only that, but McLaren spend a considerable amount of time designing their cars to maintain an aero balance across the range of speeds at which they will be used. Any meaningful amount of downforce that is added to one end of the car should be complemented by a similar increase at the other end. The more "effective" this rear wing is at any speed, the more the car will understeer.
Yes it appears there is more to the kit than just the wing ... “The unmissable wing extends prominently from the rear, working the airflow to generate additional downforce. While behind the scenes – or, more accurately, under the floor – precisely engineered guide vanes filter the air that passes beneath the car to reduce drag.”
 

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The loss/split rear view is a problem with these wings. Wish McLaren would offer a ‘Cadillac’ option ... :D
 

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Hi,
I am interested in everyone's thoughts and opinions on the MSO HDK for the 570s. Personally I think it looks great and it improves handling with an extra 75kg of downforce, so is it something worth getting? I have never really been a fan of the other after market wings I have seen in person and online.

Hi Chris I have just completed a track event on a regularly driven track with my 570s spider fitted with the HDK kit . There is a noticeable mild improvement on higher speed sections at speeds over 100mph also braking at 150mph+ is noticeably better but, as with any 570 you need to have the car well planted before changing direction !
Overall it is an improvement and the looks are definitely a plus for me from any angle. One issue to be aware of is that, on bumpier country back roads the vanes underneath can bottom out a bit at higher speeds . Overall though I can recommend the Kit !
 

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Discussion Starter #19
Hi Rudy, thanks for the info it's really helpful. It sounds like this is would be a good investment then as I also do the occasional track day. The price also looks good especially when you compare it to the over seas cost. Thank you all for your help.
 

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My 67” APR wing (considerably larger than the MSO one) provides a lot more stability on track (I cofounded a track day company, so I am at the track quite a bit). On street, yes, never going to be going fast enough to make a difference, but depending on the track I’m easily pushing through many corners at 100 to 120mph (at Willow Springs I hit 140mph+ through turn 8, before getting to the decreasing radius of turn 9), especially sweepers where downforce helps a lot. Before and after tests definitely show a greatly diminished tendency to break loose (my previous R888R, and current TrofeoR, tire compounds help too, as does my slightly wider front/rear tread width from stock, to reduce any unwanted understeer/oversteer tendencies).

The 570 was designed to break loose to make it more playful, so I feel that the typical rule of increase front and rear downforce at the same time is a bit different here. Most cars are not designed by the factory to be tail happy - they are striving for lap times, and thus have designed the aero as such. On the 570 though they didn’t do that - so adding considerably more rear downforce is just going to settle it more, not throw the aero balance completely out of wack causing crazy understeer.

On any other McLaren, which are all designed for precision lap times, I’d likely agree (I haven’t tested or researched other models, so won’t assume) - but my experience on the 570 platform says different.

The MSO wing kinda proves my point a bit too - as the proponents of “OEM knows best” say don’t mess with the factory aero (or factory anything for that matter), then why does the MSO wing only largely affect rear downforce? They wouldn’t give you a $13K upgrade to upset the track performance of your supercar, especially coming from McLaren. Also, the guide vanes that come in the kit are not there to increase front downforce to “balance” the wing - they are there to smooth airflow to further reduce underfloor drag - so essentially McLaren thought at least an additional 75KG of rear downforce was needed to improve track performance. Mine provides more than that, at least in CFD, but I plan to take direct suspension measurements as soon as I can with damper pots, so I can confirm how aggressive I can adjust the AoA without hitting the aerofoil stall speed based on the overall aero package.

Thanks!

Z.
 
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