ok they both look the same check it out
gruppe s design
http://www.gruppe-s.com/350z/zex/GSYpipeS.jpg

and now unlimited tuning design
http://www.unlimitedtuning.com/Y-Pipe.htm

you tell me guys

i don't know... what about the fujitsubo? isn't that one the same design? the design is good... way better than stock... if it is about as good as you can get, why reinvent the y-pipe?



389843-pipef.jpg

but good for unlimited tuning for making it affordable to everybody.