The MVR is our replacement to the beloved V44 wastegate. Even with a smaller footprint than it's predecessor, it still out paces it in flow capacity. The v-band flanges provide for a more flexible fitment and the internal coolant passages provide a solution to dissipate any heat issues near the diaphragm assembly.

The MVR44 is the newest wastegate in Tial's Lineup and is the direct replacement for the now discontinued Tial V44 44mm Wastegate. It is the first wastegate in their lineup to feature water-cooling capability.

The MV-R 44mm wastegate is more compact than any current 44 or 46mm wastegate on the market. You get two top air ports and three bottom air ports for easy install. This unit is a direct bolt on for our V44. The MV-R has an optional extreme high temp casting available for Motorsport applications. Features:

Tial External Wastegate, 44mm - MVR Vband connections. Direct replacements and takes same flanges as Tial V44. More compact top section with same high flowing lower body.

Mar 21, 2024 · Tial External Wastegate, 44mm - MVR Vband connections. Direct replacements and takes same flanges as Tial V44. More compact top section with same high flowing lower body.

Mar 15, 2025 · V44 Wastegates High temp NiCrFe based alloy is used for valve and 347SS valve housing will offer longer produt life compared to competing designs. High temperature silicone Nomex reinforced actuator diaphragm.

The TiAL Sport V44 wastegate is one of the most popular wastegates used around the world. The compact size and large valve opening allows this 44mm wastegate to be used in all boost ranges. TiAL's V44 wastegate is equipped with a racing valve stem with a wear coating that is resistant from the corrosive effects of lead oxide which is present ...

tial has done it again!! TiAL now has redesigned the benchmark wastegate, the TiAL V44 and is now the MV-R. The MVR series now offers water cooling to help maintain the integrity of the internal diaphragm.