I'm confused as to why you think you will need more than a 285mm wide rear tire (which is easily fit without going wide body in the rear)? If you are worried about straight line traction, install an LSD. Installing a "bigger wing" isn't going to do anything for traction unless you are going at speed around a race track. If you just want wide body because you like the way it looks then I can't fault you for that, but don't try and justify if as a performance modification on a street car. This is coming from somebody who daily drives a Boxster with 370whp, with an LSD, on 275mm rear tires (NT05's) and I only have mild traction issues in first gear. Also, is your car a 6speed car? If not, traction loss might go a long way to preserving the weak 5 speed transaxle.
Last edited by kcpaz; 04-13-2014 at 12:24 PM.
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