I have a friend in LI who owns an exotic car detailing place. I don't know what your budget is but they're not cheap. You can go to any competent hand wash place and it'll cost you around $15. I owned one for a few years and my partner bought me out last summer but I still get free details there once a week. 
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2006 Lamborghini Gallardo 6spd-Rosso Leto
2006 Range Rover Sport Supercharged-Winter Beater
2006 BMW 750i 19" Sport Wheels BK/BK-Daily
2005 Lotus Elise Sport & Touring Package-Fun
2001 Lexus RX300-Back-up Winter Beater
2001 Mercedes-Benz S500 Sport AMG-Sold
2000 Boxster S Heavily Modified-Sold
2000 Nissan Altima GLE-Parking Spot Holder
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