MK7/MQB PERFORMANCE Fuel line upgrade kit


VW/Audi MK7/MQB AN6 Fuel Line(s) Flex Fuel Upgrade

Weight: 1.65 lbs

Fuel hose type: PTFE Smooth Bore

Line Size: -6AN (1/2″)

Connection Style: -6 ORB & Flare as well as 3/8″ quick connect for ethanol sensor

Connector Material: 6061 Aircraft Grade Aluminum with viton o-rings

Connects to flex fuel sensor: Yes


The Precision Raceworks AN6 Fuel line upgrade options are a direct replacement from the fuel pump on the passenger side of the car to an aftermarket MPI system.  If you do not have an aftermarket MPI, then you will need to purchase an additional fitting that is -6 Male Flare to 5/16″ hose barb and utilize the rubber portion of your OEM line to finish the connection.

All connections are designed in house and machined from 6061 aluminum then anodized for 100% E85 compliance. The fuel line used by Precision Raceworks is smooth bore PTFE that has both a stainless steel and nylon jacket, used in high end E85 applications built all over the world.


  • The stage 3 fuel line kit is a great option for anyone looking to remove the restrictive factory fuel line.  This line kit comes with everything needed to replace the fuel line from the tank to the high pressure fuel pump or can plug directly into the Precision Raceworks MPI kit.
  • With full bore AN6 line this line can support over 750whp when paired with the proper fuel pump. Not making 750whp but falling just short of having enough fuel for your stage 3 or stage 3.5 fuel pump?  THIS LINE IS FOR YOU!  Tuners didn’t believe the chart below when we first published the data but it didn’t take long before tuners around the world were telling every customer to upgrade to the Precision Raceworks fuel lines.

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