H i ! All master... Can anyone explain to me what's fuel return line use for ?? So far I'm using fuel return line with Sard Regulator almost 1 year..but I am still not too sure what it use for... paiseh :biggrin...
Scenario 1: 2.5" from downpipe to straight flow muffler
Scenario 2: 2.5" from downpipe to straight centre box (also a silencer) to straight flow muffler
Scenario 3: 2.5" from downpipe to s-flow...