Vibrant Weld On Flange Kit for Greddy BOV (Alum Weld Fitting / Alum Flange) - 1453 9/16"-24 but perform well both with

but perform well both with and without tuning

The included COBB Thrust Tunnel is constructed of wrinkle black powder coated aluminum and attaches to the factory hood ducting to maximize airflow through the core

Protects against large debries from entering your turbo and causing catastrophic failure

The addition of the DEI Reflect-A-GOLD™ foil increased that improvement an additional 10%

red anodized aluminum pivot kit

Vibrant Weld On Flange Kit for Greddy BOV (Alum Weld Fitting / Alum Flange) - 1453 9/16"-24 but perform well both withVibrant Performance Weld On Flange Kit for Greddy Blow Off Valves are made from your choice of 6061 Aluminum or Mild Steel construction. Each kit includes an O Ring for a leak free seal and also come with a radiused weld fitting that allows for a simple screw on of the matting flange; allowing for a convenient option to switch to a difference BOV down the road if you choose.