Tial External Wastegate V band 38mm (MVS-A) Universal Also since you are using

Also since you are using this flange kit to vent the BOV to atmosphere

Front mounted intercooler kit for the Mazdaspeed3 featuring mandrel bent high polished aluminum pipingwork

900HP Garrett high density/high efficiency bar and plate intercooler with cast end tanks

red fittings

Car Model: 50mm / 60mm Piping Kit

Tial External Wastegate V band 38mm (MVS-A) Universal Also since you are usingTial External Wastegate, V banded 38mm (MVS A 38mm). Easy and convenient to mount. Designed for motorsport and racing applications. Incorporates five heat sinks to dissipate heat. Includes V band flanges and clamps for inlet and outlet; and water fittings. This MV S A 38mm unit is designed specifically for motorsport applications that can't utilize the water cooling ports on the standard MV S wastegate. The MV S A has a 38mm valve but also has heat