Vibrant Transition Weld Ferrule with O-Ring, HD Clamp Size: 4.00", Tube O.D.: 3.5" - 12664 12 Micron Tested on the highest HP

Tested on the highest HP Hyundai Genesis Coupe in the world

Fitment: 15-21 Subaru WRX 2

The overall length is 24 inches and the unit will adjust down to 7 inches

CHRA's and wheel designs which maximize the power made on your EJ engine at two different price points

Power as tested on 2018 F-150 Raptor vehicles using these identical calibrations

Vibrant Transition Weld Ferrule with O-Ring, HD Clamp Size: 4.00", Tube O.D.: 3.5" - 12664 12 Micron Tested on the highest HPVibrant Performance introduces a brand new offering of Transition Weld Ferrules manufactured from 6061 Aluminum and available in a wide variety of sizes giving fabricators more options when working with Vibrant HD Clamp Assemblies. Each Transition Weld Ferrule includes an O Ring seal.