Tial QR Recirculating Blow Off Valve w/ 1.5" Recirculation Port 12 psi Black | 004038 FocusRS_2016-2018 This combined with a huge

This combined with a huge K&N filter gives us the most filter surface area and flow possible

Part #: TS-SS-024

The BC Racing BR series coilovers are the perfect choice for street driving with a dash of weekend warrior track action with your Subaru Impreza G4

Measured Flow: 320 CFM @ 7" H2O

There is reduction in restriction in the top end that shows well here and has a direct relation to the performance of the air filter

Tial QR Recirculating Blow Off Valve w/ 1.5" Recirculation Port 12 psi Black | 004038 FocusRS_2016-2018 This combined with a hugeQR is the recirculating valve based on the TiAL high performance Q. Outline interchangeable with the Q and original BV50. It's Offered with a variety of springs for difference vacuum levels, and a special spring for supercharged vehicles. Customizable outlet ports offer flexibility to integrate into custom & existing applications. Included with every Tial QR: QR Assembly TiAL Vband Clamp Vband Weld Flange TiAL Air Fitting High Pressure O ring Return