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			I'm not sure that there's a difference other than the fact that you're buying directly from the supplier...?  Someone else with more knowledge would have to enlighten us.
 I know that the exact same GAHH top was quoted to me as being $1080 from the shop I went to, with about $700-800 in labor, so I'd be looking at a good $1800 to buy from them and have them install it.
 
 Now on GAHH's site, the same top is under $1000 before shipping, and on autotopsdirect, altogether with shipping it comes out to about $630.  I did notice that there's a 5 year warranty for the bonding on the window, so I don't know if that's the difference versus the supposed lifetime warranty on the top from GAHH, but I honestly can't see a difference between the two and their design, so I really think it is the same part.
 
				__________________-O/D
 
 1997 Arctic Silver Boxster, 5-spd
 IMSR + RMS
 Robbins glass window top
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