I am not sure if the 5/16" is the correct size for the quick connect AN6 .
Not increasing fuel line ID, just removing the OEM 90 deg restriction on top fuel rail with EC Plenum in H2 SX SE.
RACEWORKS
HOSE ENDS
4 x Straight AN 6 Part Number RWF-111-06BK
2 x 45 Degree AN 6 Part Number RWF-112-06BK
2 x 90 Degree AN 6 Part Number RWF-113-06BK
FEMALE EFI ADAPTORS
STRAIGHT
2 x Straight AN 6 Connector 5/16" Part Number RWF-715-06-05BK
90 DEGREE
2 x All Billet 90 Degree AN 6 Connector 5/16" Part Number RWF-803-06-05BK
100 SERIES STAINLESS BRAIDED HOSE
1 x MTR AN 6 Part Number RWH-100-06-1M
I am only pushing out 43psi to injectors compared to your probably 55psi so the dyno notices the restriction
at 9,750 rpm