TiAL's line up of high performance, race proven Wastegates.  TiALs Wastegates are trusted by the biggest names in the racing industry. With so much depending on the performance of the valve, its no mystery team leaders choose to equip their cars with the best.

Available now in silver and blue, the MV-R is the replacement for the popular V44. Center lines and flanges are identical to the V44, making this a 100% replacement piece. MV-R is about an inch shorter than the V44 allowing for compact installs. It features water cooling ports (not required to run) for those heavy duty applications, three bottom pressure ports and two top ports for boost controllers like the AMS-1000.

This is a total replacement for the V44, production of the V44 has been discontinued.

The Tial 44mm MV-R Wastegate features;

•  High temp NiCrFe based alloy is used for valve and 347SS valve housing will offer longer product life compared to competing designs.
•  High temperature silicone Nomex reinforced actuator diaphragm.
•  17-7 PH Stainless Steel actuator spring gives consistent pressure at high temperature, resist "relaxing" at temperature to 900F (483C).
•  Nitronic 60 Stainless Steel is used for the valve seat, and valve bushing.
•  All Stainless Steel hardware.
•  Mating weld flanges are 304L
•  Color anodized aluminum actuator (Silver, Red, Blue, Purple, Black) **
•  3 lower ports and two top ports for easy install, no need to rotate the actuator top at all, plugs included for unused ports.
•  Ultra compact design fits in very tight spaces, the unit stands only 4.17" tall, more compact than any other 44+mm external wastegate on  the market today.
•  V-Band inlet and outlet make install easy, flanges and clamps are in the box!
•  Integrated -4 AN water cooling ports that cycle a small amount of coolant through the actuator top to keep the temperatures down in  extreme conditions such as road racing. These are leak tested after installation from the factory and can be removed if not utilized.

Included with every Tial MV-R:

MV-R Assembly
2 TiAL -4 removable water fittings
MV-R Valve Seat
Inlet V-band clamp
Inlet Flange
Outlet V-Band Clamp
Outlet Flange
2 TiAL Air Fittings
Plugs for unused air ports

** We always keep the silver and blue color in stock, although from time to time, we may have other color in stock as well.   Please check with us to see what's the available color when you're ready to order.

We shipped every TiAL MV-R Wastegate with ALL Springs Combination, from 4.35 Psi to 21.75 psi.

MV-R Spring Pressure

Installation Diagram