Thickness: 15mm

Dual Port vents both to the atmosphere and back into the air intake

Either M or nonM front coilovers would work with Wisefab E90 knuckle

This ensures exceptional performance even at lower shaft speeds

5 BAR: TS-0625-1072

BOV Pro Port GenV Sleeper JR18 Thickness: 15mmProPort by Turbosmart is an All New 54mm (2. 13in) Blow Off Valve with a tiny footprint and massive flow. The ProPort flows 420 cfm which is enough for 3500 HP and is in a league of its own standing 30mm (1. 2in) lower than PowerPort while flowing over 25% more than the Market leading 50mm Raceport. Features include our unique locking collar design, new unique vent profile, sensor cap option and spring options for all turbocharged and supercharged