Gorr CR150 Kit

[Jeepboy]

A friend of mine is getting a Eric Gorr 150 kit for his 1999 CR125. Currently he has a Pro Circuit pipe. He's getting the low-mid porting. What pipes have others with this kit used? Would he be better off with an FMF Fatty pipe?
Thanks

 

[DEANSFASTWAY]

Theres a guy out here DYNO PORT / Rich Daly that can build bigger core pipes for big bores . www. DYNO PORT.com got alot of stuff on blowout too .