Plastic OEM blow-off valves like those on the RS have a track record of failures - they leak

Wisefab E30/36 angle kit has over 60 degrees of lock

\n2 x 1/8 NPT Blanking Plugs

For those who do not want to buy a full PRO level angle kit right away

Clutch Kit - Xtreme Performance Race Carbon Blade Incl Flywheel KHN24537-1P JR37 Plastic OEM blow-off valves likeStage 3 Clutch Kits Carbon Race Series Used by some of the most powerful time attack and drift cars in the world, the Xtreme Clutch single plate carbon clutch provides exceptional heat capacity for high horsepower vehicles. Recommended for: Xtreme powered vehicles requiring improved modulation