A must have for R600 starters, Racingline Underhose
The new coolant hose reroutes the ugly factory hose down the R600's beautiful intake for a much cleaner look. Includes built-in factory one-way valve, just like the original; don't drive your car without this valve! 
Registrations Confirmed
VWR17G7R600 FOR CARS WITH RACINGLINE R600 INSTALLED
VW Golf 7 GTI 2013+ 5G
VW Golf 7 R 2013+ 5G
VW Golf 7 GTI ClubSport 2016+ 5G
VW Passat 2.0 TSI B8 2015+ 3G
VW Arteon 2.0 TSI 2017+
Audi S3 2013+ 8V
Audi TT III 2014+ 8S
Audi TT 2.0 TSI III 2014+ 8S
Audi TTS III 2015+ 8S
SEAT Leon Cupra III 2014+ 5F
Skoda Octavia vRS III 2014+ 5E
Skoda Superb 1.8 / 2.0 TSI 2015+ B8 3V