kxf 250 / 450 coupler differance?

Hey folks, well i had a 2012 kxf 450, and now had a 2013 kxf 250 for awhile, and got a heap of couplers but some how they all got mixed together, and they all look the same, just wondering how do i tell wich ones are wich?? or do they do the same thing?

Edited by FIDDY631

green is stock, white is aggresive and black is mellow  on both the 250's and 450's (wiring is the same)

Edited by kawamaha

The couplers are just jumpers to different maps in the ecu, can't imagine the 250&450 are different. But not certain

thanks folks, the next step was just gunna test them out to see any differances

If you got a white one spare I'll buy it off you I've lost mine for my 250f 13

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