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      03-06-2019, 07:41 AM   #1
AndroidRobot
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Drives: 2022 Porsche Boxster GTS
Join Date: Apr 2018
Location: Houston, TX

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Houston, We Have a Problem: Tires

This morning while coming back from the gym my TPMS let me know a tire was low. My driver's side rear is 5-6psi below the other one. Since these are run flats I cannot patch the tire if there is in fact a leak. I'd rather not replace both rears since you need to do them in pairs meaning I'll get a full new set. The 21" tires have virtually no good All Season option as of right now.

The only choice for AS are Pirelli Scorpion Verdes which I haven't heard good things about. Neither Michelin or Pirelli make any good options in their UHP (or really any tire besides what's listed above) so I'm not sure what to do. I considered downsizing to 20" wheels with the following stagger:

275/45 R20
305/40 R20

this would give me a plethora of options but in terms of cost vs sticking with 21"s it's not economical.

Vorsteiner quoted me $2400 + shipping for their flow forged (V-FF) wheels which ain't bad. Typical tires (Michelin Pilot Sport AS 3+) run $1400 a set vs $1800 for the 21" Pirellis

Stock tire size:
315/35 R21
275/40 R21

Any thoughts? It's more a matter of what makes sense because I've never used those AS Pirelli Scorpion Verdes but people seem to hate them so I'm stuck with that or downsizing.
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