port length??

[usarmy1494]

i am using a 6 inch precision port and im wondering were does the port length get measured from.

just the straight end? straight end with flares?


the port ------> Precision Port 6" Flared Port Tube Kit (http://www.parts-express.com/pe/showdetl.cfm?Partnumber=268-354)

[bubbagumper6]

The flares do add to the effective port length. This might help: Products Menu (http://www.psp-inc.com/tools.html)