I finally replaced that nasty exhaust T on the Cayman S.    I bought 2, 2.5" ID 90 degree mandrel bends from Summit Racing (part# 670176 http://www.summitracing.com/parts/sum-670176 ).  Total cost $40. These bends are tight with a 2.5" radius.  Yes, tight is bad but still better than a T. I removed the passengers side muffler assembly for access and cut the muffler outlets down to about 1.5".  I cut the bends to fit snugly on the muffler outlet.  It just so happens cutting the long side of the elbow left just the length I needed for the tailpipes. I was even able to reuse the clamps from the original T.  I also cut the factory stainless tip from the old tailpipe and attached it (sorta) to the 2 tailpipes.  It looks stock from a distance.  I doubt this really made a very big difference but honestly it does seem a bit crisper at high RPM.  Could just be in my head though.  It just looks like it flows better.
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