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Interesting!! I noticed that many people like those Singer and BBI style exhaust tips, but also many people just hate it, even my wife and some friends! Singer designers took that form of Porsche cars, perhaps inspired by the new 935. Anyway, I respect your point of view, and I think you really said something to keep in mind about Singer cars.
They may be thought of as Singer style tips now, but the look came from early long-hood 911 race cars. Although back then, they were not for looks. If I remember correctly, there needed to be just the right amount of back pressure in the megaphone pipes and the cookie cutter inserts helped.
Decided to test fit the Roof transport system to see how it fits and what wind noise it generates. Surprisingly I didn’t notice any more noise! The engineering on the mounts are amazing. Very well built and integrated.
They may be thought of as Singer style tips now, but the look came from early long-hood 911 race cars. Although back then, they were not for looks. If I remember correctly, there needed to be just the right amount of back pressure in the megaphone pipes and the cookie cutter inserts helped.
Yeah!!! that is GREAT! I was sure the first tailpipes with this design came from the mid-80s in Porsche cars, but I didn't know the performance details! Is always cool to bringing back to our modern cars that Porsche thoroughbred essence in racing. Thank for sharing this valuable info !
let us know your thoughts on the Cup 2's. Did you have PS4S before or Pirelli?
I had the opportunity to compare Pzero, 4s and Cup 2. in some of my present and past cars (T, S, GTS, GT3, GT3RS all 991.2)
On my T, today I have 4s, and I'll switch to Cup2.
My personal qualification 1 to 10 on roads (not track) is the following: Pzero:
Dry grip= 7
Wet grip= 7
Road Noise= 7.5
4s:
Dry grip= 8.7
Wet grip= 9
Road Noise= 8
Cup2:
Dry grip= 10
Wet grip= 6
Road Noise= 8
Last edited by rubioalejo; 06-04-2020 at 04:16 PM.
I had the opportunity to compare Pzero, 4s and Cup 2. in some of my present and past cars (T, S, GTS, GT3, GT3RS all 991.2)
On my T, today I have 4s, and I'll switch to Cup2.
My personal qualification 1 to 10 on roads (not track) is the following: Pzero:
Dry grip= 7
Wet grip= 7
Road Noise= 7.5
Track is where they shine. If you want more grip you will have to start looking at track specific tires like Toyo R888 or Hoosier R7's. I run R7's on my Cayman....
In my opinion, without doubts Cup2 is the way to go!...They stick to the pavement incredibly !!! I not have experience with Pzero or 4s on track , only Cup2s.
Actually, I always keep one set of wheels mounted with Cup2 ready to use on track, in that way I can maintain longer my street set.
Track is where they shine. If you want more grip you will have to start looking at track specific tires like Toyo R888 or Hoosier R7's. I run R7's on my Cayman....
For me, having Cup2's on my previous GT4 they were downright scary in the rain...may have just been me and the car but when its time to replace my P Zero's on my T I will go with 4's as my car is uses primarily on the street.
For me, having Cup2's on my previous GT4 they were downright scary in the rain...may have just been me and the car but when its time to replace my P Zero's on my T I will go with 4's as my car is uses primarily on the street.
4s is the more versatile, it is excellent in all kind of conditions. Cup2 for street is incredible also but when It rains you must be very careful on the pedal!! I measured and compare the width of rear 305 tires , and I noticed that Cup2 are 1/2” wider than the Pzero and 4s. This could also be one more reason for the great dry grip but more hydroplaning in the wet.
Last edited by rubioalejo; 06-05-2020 at 02:16 AM.
I had the opportunity to compare Pzero, 4s and Cup 2. in some of my present and past cars (T, S, GTS, GT3, GT3RS all 991.2)
On my T, today I have 4s, and I'll switch to Cup2.
My personal qualification 1 to 10 on roads (not track) is the following: Pzero:
Dry grip= 7
Wet grip= 7
Road Noise= 7.5
4s:
Dry grip= 8.7
Wet grip= 9
Road Noise= 8
Cup2:
Dry grip= 10
Wet grip= 6
Road Noise= 8
interesting so you don't think the Cup2 and 4S are any different on road noise?
i couldn't care less about wet grip because 1. i live in LA. 2. when it does rain i drive the macan.
if that's what you're saying, i'll definitely replace with Cup 2.
How many miles can one expect on the Cup 2 rears? I know it somewhat depends on driving styles but for a street car that is not tracked? I don’t drive my T in the rain. Might occasionally drive in the rain when on a day trip to the mountains but mostly dry.
How many miles can one expect on the Cup 2 rears? I know it somewhat depends on driving styles but for a street car that is not tracked? I don’t drive my T in the rain. Might occasionally drive in the rain when on a day trip to the mountains but mostly dry.
buddy of mine had 14,000 on his in his base carrera. 19s.
06-04-2020, 12:19 AM
