If the car placard says this is the recommended pressure, then it is to get the best ride, handling, tire wear, and mileage, in that order. If the tire sidewall says you can run a max pressure, then it is safe for that pressure. I go round and round with people about this. Tire pressure is a big deal when you are dealing with the weights we moved and loaded on planes and a 60k loader has 14 tires on each side. 10,000lb forklifts, 60,000lb cargo loaders, etc. I learned about that in the military while working with cargo handling equipment. On larger vehicles more air pressure equates to more load capacity. If there was going to be a problem with over inflation wearing out the centers it would be on these tires. Those are not narrow tires, they are almost 11 inches across the tread. The tires have been on there for 70,000 miles and they have nice even tire wear. It rides stiff, but then again it is a Firebird Formula so its not exactly a Caddy or Lincoln Town Car. I figure the tire manufacturer knows more about their particular design that might not be what the OEM vehicle company used, so I go with their pressure.ДЄs for wearing out the centers with more pressure, I have a car with 285 40 17 Eagle F1 tires. Also most shops have always set tires to 32 psi so they continue to do it. Mileage isnt as much of a concern as ride quality, so you get tire pressures around 32psi. The most important to them on the list is ride quality, a lower pressure rides smoother, but it also increases rolling resistance and thus uses more fuel. The manufacturer goes with a compromise to get that PSI value. You get other people spouting the same thing. Genuine TRD Performance Air Intake Kit, Fits The Following: Fits 2013-2016 Scion FR-S Brand New In Box, Never Used, Never Opened Toyota Part Number PTR03-18130 Manufacturer Specs: -Designed to work with the factory ECU and emissions system -Features reusable TRD high-flow air filter -Dyno-tested and designed to deliver an increase in both. You get the guys on the radio telling you to go with the placard in the car for tire pressures.

Trd scion tc turbo kit