STM 1 3/8" Universal BOV Recirculation Silicone Coupler Select::Coupler Only Outflows the factory unit: 441

Outflows the factory unit: 441 cfm vs 379 cfm @ 28” of H2O

cooler and quieter

(1) PERRIN License Plate Delete

200°C in order to permit long intervals between brake fluid changes and to minimize the risk of vapor lock caused by used

STM 1 3/8" Universal BOV Recirculation Silicone Coupler Select::Coupler Only Outflows the factory unit: 441STM BOV recirculation hose is perfect if you need to reroute your blow off valve from the intercooler pipe back into the intake. This 90 silicone coupler has 10 inch legs on both sides so you can cut the hose to length to fit your exact setup. Available with or without new stainless worm clamps for a clean install. This can be used with almost any set up that requires a 1 3 8 inch hose, perfect for the Evo 1 9 and DSM. Vehicle Fitment: Universal