Where to buy flange for MS6/3

[BIRDFLU]

Im probably ordering the CX kit online and it comes with the greddy flange.. does anyone know where I could get the adapter to turn the greddy flange into the stock ms3/6 flange?
Thx

[greyseason]

Im of no help, but i DO love that sig

[standsideways]

*sigh*

http://www.streetunit.com/ATP_GReddy_Blow_Off_Valve_Adaptor_Flange_p/atp-ms6-003.htm

Cmon man.