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Tial uses high temp NiCrFe based alloy valve and 316SS valve housing which offers longer product life compared to competing designs. The diaphram is a High temperature silicone reinforced with Nomex aka the same stuff used in fireproof suits. This translates into a lasting design which will survive whatever you can thrown at it on your Mazdaspeed3/6.
The MVR wastegate features 3 lower ports and two top ports for easy install, no need to rotate the actuator top at all and plugs are included for unused ports. V-Band inlet and outlet make installation easy with everything included you need for installation into a Mazdaspeed 3 or Mazdaspeed 6. 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.
We designed the CorkSport Mazdaspeed Exhaust Manifold to use the Tial MV-R External Wastegate. This was done as Tial products are the best in the industry and is leader worldwide in all forms of motorsports.
Is this 44mm tial external westgate the appropiate size for cst4 or fo i need a 38 to 40 mm external westgate?
This wastegate is compatible with our turbos.
1.Included all springs in package? 2.what is best spring rates for CST4 with stock block around 350-400 whp? Thank you for your answer.
All springs are included. 15-17 psi is the base pressure, but your tuner will have a number specific to your build.
What size is this EWG 44mm? 38mm?
2007-2013 Mazdaspeed 3
2007-2013 MPS 3
2006-2007 Mazdaspeed 6
2005-2007 MPS 6