i dont have an extention actually...i work in the discount tire stores themselves, and wheels are my specialty. but the factory wheels will be VERY noticibly heavier. just give me a buzz and ill do what i can to help.
1995 RS AT w/196,000 mile KYB AGX w/Eibach Sportline($485.0 ) 10.3mm OBX wires NGK Plugs 18" Konig Elan 225/40-18 Michelin Pilot Sport Toucan Muffler w/2.5" catback OBX Header w/ hollowed kitty Port/Polished Head w/ SS Valves