Can I fit this rear tires on my 2003 Porsche Carrera 911 4S? I have 295/30/R18, but I want to make sure I can use the bigger size (305/30/R18)on my car without using any inserts or any mods.
thanks

 

I have an 03 x50 with 305-30 19's.The only issue was that the wheel rubbed a bit on the fender liner where the intercooler hose is behind it.We drilled a small hole there and nylon tied the fender to create clearance and now I have ordered 5 mm spacers to extend the clearance.305 18's should fit because the body is a wide body car.