The New 2025 Porsche 992 GT3 RS MR Manthey Racing is Beyond Insane

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Looking at the 992 GT3 RS, you might think this car is as extreme as a GT3 can get. But Porsche's racing engineers at Weissach and Manthey Racing are treating the GT3 RS, like a blank canvas, and cramming in as much cutting edge aerodynamics as possible.
If you've never heard of Manthey racing, they're an engineering and racing team that was established in 1996 and purchased by porsche in 2013. Manthey specializes in improving the performance of Porsche's most potent race cars. They also provide support to Porsche's factory team for races like DTM, the Bathurst 12 Hour, the 24 Hours of Nurburgring, AND the 24 Hours of Le Mans.
And now the race engineers from Porsche and Manthey are combining forces to create a roadcar with Le Mans Hypercar levels of performance.
This car is covered with so many new and complex modifications that it's almost overwhelming. To look at what's new, let's start by juxtaposing the upcoming GT3 RS MR with the current GT3 RS.
With the two cars aligned, we can begin to see just how extreme the new upgrades are, as nearly every single aerodynamic component has been redesigned, and numerous additional components have been added. And to present another perspective of just how radical this car is, let's compare it to Porsche's current top of the line 911 based race car, the GT3 R. And with these two cars aligned, the GT3 R looks downright tame when compared to the GT3 RS MR.
It's probably easier to talk about what hasn't been changed, as it appears the only aero components left untouched are the air pressure louver vents above the front wheels, the air intakes in front of the rear wheels, and the rear ducktail spoiler.
At the front of the car, we see a much deeper splitter, the addition of 2 dive planes on either side of the fascia, and the canards in front the front wheels have been simplified and are now angled outward to deflect air around the wheels. The moulding around the center intake has been extended forward, and the new front splitter expands into a raised ridge to deflect air around the front wheels.
From the profile view of the car we can see the canards behind the front and rear wheels have been made slightly larger, and hidden behind the front canard on the driver's side is a decal, that I can't for the life of me figure out what it is. It looks like maybe kind of a... ghost... skeleton, wearing a helmet, I don't know. If you have any ideas of what this is, please tell me in the comments. One of the prototypes has been spotted with an aero disc mounted to the rear wheel and this will most likely be part of the finalized Manthey Racing package, as a similar aero disc is offered with the package for the standard GT3.
The most obvious updates are at the rear of the car, where the swan neck spoiler has evolved into a mess of spines and fins and plates. Mounted to the rear window, or what used to be the rear window, is a huge horizontal fin that helps provide lateral stability at extremely high speeds.
The once enormous biplane wing is now an enormous triplane wing, and at either side of this enormous wing are a set of equally enormous endplates that feature a unique jagged rear edge. The endplates also angle out to a more extreme degree. And holding up this huge conglomeration of weight and downforce are a set of reinforced swan-neck vertical supports.
On the roof, the two vertical fins have been replaced by two sets of 3 fins, now giving the car 6 in total. The additional fins were most likely installed to stabilize the air before it contacts the rear wing cluster.
At the rear of the latest prototype we can see a complex system of electric harnesses running from various points at the back of the car into an opening in what used to be the rear window. These wires are most likely connected to numerous points on the newly designed rear diffuser and suspension, and are providing readings to what must be a bevy of advanced equipment concealed by the camouflaging on the rear quarter windows.
We've never seen this much technology being used to analyze the aerodynamics on a road car before, so we know that this update is going to be incredibly advanced.
The rear diffuser has been completely redesigned, and Porsche clearly took a page out of the 911 RSR playbook for this one.
The airvaines are now deeper and channel the airflow in different directions. And like the 911 RSR, the splitter has a much rougher and unfinished appearance, unlike the more refined rear splitter on the GT3 RS.
Unfortunately we can't see the bottom of this car but I have a feeling Porsche and Manthey have been working on some brilliant underbody aerodynamics for it.

[@arcdriver1316]

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[@user-ck5qu2yo9i]

3:41 this is Marty from Madagascar, Trapez americano 😂

[@J17_BT62]

Redbull dog?

[@henriks5008]

Cant wait for the 992 GT2 RS MR. Oh boy oh boy that is going to be insane!!! The 991 GT2 RS MR had the Nordschleife record for quite some time before AMG-ONE came along.

[@Jesko.]

1:10 WHAT? That's just ridiculous. No need to lie about the cars performance on track we all know it's fast, but it doesn't come close to le mans hypercar level speed at all.😂

[@divinasi0n]

Purpose built prototype racecar gets beaten by 500hp 1400kg road car on semi slicks? 🤔

[@Jesko.]

@@divinasi0n Yeah just doesn't make sense. Not a chance.

[@miguelmc2289]

I mean tbh if you compare these new GT3 race cars performance to the LMPs from 15 years ago (quite recent) it’s honestly crazy. Race cars were a thing of the 50s and stuff, not today. And it’s cool for that. The Valkyrie for example, are you freakin kidding me? 991 GT3 is already a car too capable for the road.

[@MLS0000]

I think he’s referring to the aero being comparable to a hyper car but even that sounds ridiculous.

[@Jesko.]

@@miguelmc2289 Not really. The Peugeot 908 hdi fap was 15+ years ago and no road or gt3 (race) car comes close to it.

[@alexprost7505]

Bro, when we gonna see gt2rs?

[@ReallyAtlanta]

The 992.2's are coming out soon which means the gt2rs is coming soon

[@TechInfo-ul4xr]

​@@ReallyAtlanta😂 no one cares....USA CARS ALL THE WAY....NOT SOME OVER HYPED FLAT 6 WITH NO TORQUE....I HAD 2020 PORCHE TURBO.TURBO LAGS TOO MANY NANNIES ANY ENGINE UPGRADE IS WAY TOO PRICEY...NOW HAVE MODIFIED CORVETTE ..MUCH FASTER AND TESLA PLAID...WAY FASTER THAN ALL OF YOUS EZ

[@b8dom]

Just before the all new 911 is revealed which the turbo s will be almost as quick as the 992.2 GT2 RS at half the price.

[@GohardGT3]

Not yet confirmed, but if approved then 2027 at the end of the 992.2 cycle.

[@BastianKH]

​@@b8domThat's not true. The turbo is nowhere near the GT2 RS. Maybe in a straight line, but never on a track.

[@fre3z3r68]

5:45 The cables that disappear at the rear are most likely temperature sensors to measure the effects of the new diffuser on the engine compartment temperature. These green plugs that can be seen there are common for PT100 temperature sensors in laboratories

[@matttownsend473]

What’s your source for suggesting fewer than 1% of gt3rs are driven on the track? Seems low and I’m not sure how anyone would know.

[@miguelmc2289]

I was sceptical about that too

[@Hazza_05]

did you know that fewer than 1% of gt4rs owners aren't dickheads?

[@niddeyy2160]

yeah i really dont believe it too

[@cryptoronindude]

Marty from Madagascar with a helmet 🪖

[@albundy5992]

Great video. Very informative - I had no idea Porsche owned MR.

[@Eric.31107]

the fin is crazy

[@wessel2009]

3:41 to me it looks like a seal with a helmet on. Seals are very smooth so thats probs why.

[@mohammedawadud7238]

From looking at how the gt3 rs mr handles those corners on the nurburgring, it drives like an actual race car, so similar corner handling to a gt3 car

[@divinasi0n]

We'll see. GT3s are lighter, stiffer and scrape the ground. People who make that claim always turn out to be wrong. 😅

[@321-Gone]

10:31 - Now I know Porsche's secret weapon. Mullet power.

[@Iseenoobpeoples]

You explained it well.

[@atom999]

That's pretty extreme

[@MrTasmad]

AMG One Nürburgring Lap record is 6 minutes 35'' and not 6 minutes 30''.

[@wfrancke]

Madagascar... That's the decal

[@sebastianjo752]

I don't think the gt3 rs mr will get the track record back to porsche, but maybe the gt2 rs will if they give it enough power and keep it light.

[@randerson752]

Love to have one..

[@BastianKH]

Porsche owns the majority of Manthey and officially sells their parts at Porsche dealerships at Porsche Tequipment. So it's a legit manufacturer record if they best AMGs time. They did the same with the 991.2 GT2 RS MR. The next 992 GT2 RS and then MR will beat the time of AMG one surely. Maybe even this GT3 RS MR. AMG one btw did the record in a non street legal driving mode.

[@mesterorange8181]

The AMG one has so much time in it still, dont forget about that, also it was built for grand prix tracks mind, there the One is much faster comparatively to the nurburgring.

[@BastianKH]

@@mesterorange8181 It doesn't have soo much more time in it. Maybe 5 seconds, 10 at best. And it's not driving in the road legal mode, so it is a bit cheating too. The Porsche is completely street legal.

[@enfantterrible4868]

There is no way. It just hasn't got enough power. It might be slightly quicker in most corners, but the AMG has so much more power that it will make up for it easily

[@_ph4nt0mzz_47]

​@@enfantterrible4868 read properly, he said the new 992 GT2RS MR will at least beat the amg one. The last Gen had like 700hp, so this gen will have at least 750-800hp as it will have a small hybrid system, and more powerful engine, with 992 GT3RS levels of aero, its a nightmare for amg

[@enfantterrible4868]

@@_ph4nt0mzz_47 he said "maybe even the 992 GT3 RS MR", which i referred to and which in no way possible will beat that time. But you are right, i should i have mentionned i was referring to the GT3

[@fnitegamer1873]

Whatever Happened to th Gt3r rennsport

[@bodilx6]

What is your basis for 'under 1% of owners taking their RS on track'? The number of RS being beaten on at the recent Hanseat course at the ring, would indicate quite a production run already😅

[@TwinBroz]

The GT3R is a lot more menacing than the homologated GT3 RSR. The mechanical grip is nuts.

[@gmax876]

The average guy who wants to get a GT3 RS can't get one but MR has packages ready to make it even mote extreme best guess for an additional $150k?

[@Knofris]

Porsches aren’t for the average guy, let alone the GT3 RS

[@MW-uy3np]

Looks great on the track and in the lab. Looks goofy on the street.What's your next move Porsche?

[@_ph4nt0mzz_47]

Who said they're doing it for the street? The turbo s with it's 2.1 0-60 and 9.9 1/4 mile stock is more than enough for the street, and looks better than the competition. Add some nice wheels and lower it a bit, and it'll look even better.

[@MW-uy3np]

We are talking GT3 RS street cars here not Turbo S. Turbo S is Porsche's best car at the moment.

[@rogerrolex6981]

The new GT2 RS MR will be so much better with the double wishbone suspension and new aerodynamics ridiculous fast 😅 It’s super Dave Osborne zebra stripes, cause a Zebra can’t change it’s stripes 😅😅

[@rotcoke652]

Beyond insane maybe, but not beyond the Manthey GT2 RS

[@rickrolled7930]

This thing will put the cup car to shame. On street tires.

[@stevereno6799]

Verticle

[@enfantterrible4868]

it's actually underpowered for that levels of aero and grip

[@WDLC1911]

It won't match the Mercedes AMG One pace, though.

[@mohammedawadud7238]

yea amg one pace is better cuz of 1,049 hp, but this is lighter and more downforce, so probably could get close to the amg one's time.

[@VladislavAkimenko]

@@mohammedawadud7238 Waiting for 992.2 GT2 RS MR.

[@mohammedawadud7238]

@@VladislavAkimenko would be hard to top the aerodynamic sophistication of the gt3 rs mr, but keen to see how that will turn out in the future.

[@Helios_1ne]

The difference between the gt3rs and other top Nur lap cars is the gt3 will put down that same time lap after lap, all the others will slow down significantly after the first. A Porsche test driver said the gt3 will beat the gt2 in a multi lap race

[@WDLC1911]

@@Helios_1ne, I recall reading that the GT2 RS will eat its rear tires.

[@therealsharps]

Makes you wonder why they didn't do it right. last time..

[@djcheff]

Porsche 911 GT3 EVO

[@carrun.mp4]

Also porsche dealers: to get this ubneed to get 50 of our cars first.

[@sillynut2958]

F1 is BORING. Manthey Porsche takes epic one-two in LMGT3 at Spa. The No.91 Manthey EMA Porsche 911 R LMGT3 of Richard Lietz, Yasser Shahin and Morris Schuring went from third to winners over the final lap in a thrilling LMGT3 race at the TotalEnergies 6 Hours of Spa on Saturday.

[@matthewlai9892]

Last time I checked, the GT3 R is mid-mounted engine,right?

[@Chooobs]

Nope only the RSR was mid engine

[@matthewlai9892]

@@Chooobs love the sound of RSR

[@j3llybr34d7]

is that an AI comment or does the guy sounds very AI-ish? xD

[@Yannik.mlr_]

9:40 you are talking some much bullshit, it´s unbelievable

[@sillynut2958]

F1 is BORING. The British-based squad drove the gold-liveried Porsche 963 Hypercar to the chequered flag in SPA.

[@revdpc]

They built this cause they are scared of the ford mustang gtd

[@0_IQ_Noob]

Gt3 cars are made within gt3 rules, but gtd is not... So not a competition for a class cause mustang was almost competing with hypercars too so.. it's not really what you think it is..

[@Yannik.mlr_]

@@0_IQ_Noob Porsche Gt3 cars don´t follow Gt3 Race car rules wtf. I can´t believe how much misinformation there is in this comment section and the video itself too

[@mesterorange8181]

​@@0_IQ_Noobliterally same cars gt3 and gtd

[@jeffscott2246]

Just another ripoff profit center for Porsche

[@TheAcethunder32]

Tell us you’re broke without telling us you’re broke 😂

[@WDLC1911]

Yes, it's a profit and marketing pot go gold but the lessons learned will trickle to the production GT cars. Rip off? In lieu of what is going on across th planet? Yes. But so is everything not related to you having food, water, shelter, security, medical needs and liberty.

[@Devourur]

@@jeffscott2246it’s not meant for poor people like you