From looking at the different sites that sell Greddy's full titanium catback, it looks like there might be different versions. Does anyone know if they've changed the design of the full titanium exhaust in the past two years? The reason I'm asking is because I've seen the version that has the bulge at the end of the tip, and I've seen one that is straight forward. I know they have a Ti'C version but I'm concerned about the full titanium system.

 

The one with the straight (none bulge) tip was the original design, they later changed it to have the bulge. Why I'm not sure; someone else would have to answer that.