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					Originally Posted by GEARHEADTX
					
				 
				This is all good information.  Would anyone have more details pricing and specification as to what would be the right LSD to put into a pre 2009 boxster with Manual Tranny. 
			
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I've seen torque biasing or limited slip diffs available from:
Guard transmission
gbox transmission
quaife
Wavetrac
The 986S and 986 have different transmissions, so do the 987 and 987S, so they may not make a limited slip for all models.  All range from $1700-2200