This DPR blow off valve allows either plumb-back (recirculated) or atmospheric venting to suit most applications. Supplied with interchangable trumpet and plumb back adaptor plus additional inlet step down adaptor to enable easy mounting into most vehicles. The inlet flanges can be hose-fit or welded on (steel) and measure either 38mm or 19mm in diameter. The plumb back fitting measures 25mm diameter.

DPR wheel spacers 20mm 4X108 1.5P (pair)
Short shifter - Subaru WRX / Legacy 2002 up
Wheel nut - Low Profile for DPR bolt on spacers 12x 1.25P (19mm socket)
Anti-theft wheel nut set (20pcs) P1.25 heptagon
D2 Racing coilovers - super street series
Aluminium wheel nut set (20pcs) 12x1.5P round
SSQV flange for EJ20 / EJ25 (type 3) Subaru - bolt on WRX 2008-2014 