The ProPort flows 420 cfm which is enough for 3500 HP and is in a league of its own standing 30mm (1

the Subaru WRX STi IWG is easy to install and requires no special tools or fabrication

always strive to engineer the best products that allow drivers to push their limits on the track

Clamp load 1550Kg 50% Increased over standard

Box contains: 50ml JR Ceramic Quartz Rim Coating

JRWS2-SL Spacers 10mm 5x112 57,1 57,1 Black (Super Light Series) RM The ProPort flows 420 cfmSuper Light Series, Aerospace grade 7075 T6 aluminum Price per pair; Check car hub length max: 11,5mm Type: JRWS2 SL; PCD: 5x112; CB: 57,1; Center Lip: 57,1; Thickness: 10mm; Diameter: 149mm; Studs Nuts Pressed: NO; Mounting Bolts Nuts: NO;