Just go buy this one, great price, good VIN, and all records, maintained well. Great price. Swap out the wood for carbon, will cost $1k.

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http://www.autotrader.com/cars-for-sale/vehicledetails.xhtml?zip=97405&endYear=2016&modelCode1=RS6&showcaseOwnerId=0&startYear=1981&makeCode1=AUDI&searchRadius=500&mmt=[AUDI[RS6[]][]]&listingId=399786533