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Tial MV-S Wastegate 38mm Black w/ All Springs (Part Number: )
Tial MV-S Wastegate 38mm Black w/ All Springs (Part Number: )
Tial MV-S Wastegate 38mm Black w/ All Springs (Part Number: )
Tial MV-S Wastegate 38mm Black w/ All Springs (Part Number: )
Tial MV-S Wastegate 38mm Black w/ All Springs (Part Number: )
Tial MV-S Wastegate 38mm Black w/ All Springs (Part Number: )
Tial MV-S Wastegate 38mm Black w/ All Springs (Part Number: )
Tial MV-S Wastegate 38mm Black w/ All Springs (Part Number: )
Tial MV-S Wastegate 38mm Black w/ All Springs (Part Number: )
Community Media
Tial MV-S Wastegate 38mm Black w/ All Springs (Part Number: )
Tial MV-S Wastegate 38mm Black w/ All Springs
Universal
Read 6 Reviews | 19 Q&As
Part # 002953
$305.10
msrp: $339.00

In stock! Ships same day
Universal part

Features & Product Details

RallySport Direct is proud to carry some of the best aftermarket turbocharged components brought to you by Tial.

Here, you are looking at the Tial 38mm MV-S External Wastegate. This wastegate is a very popular choice of external wastegate utilized by some of the world's fastest and powerful turbocharged vehicles. The 38 MV-S supersedes the previous Tial V38 in design with new features to achieve your desired boost levels.

DETAILS:

 

  • 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.
  • 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 a 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
  • Includes all of the springs so you can tune it to your cars needs without spending money on extra springs
  • Springs come pre-installed from Tial  so you will want to verify the spring settings before installation
  • Black finish
  • Includes all springs for you to reach the desired boost levels of your preference
  •  

    Specifications

    Brand: Tial
    Color: Black
    Flange Size: 38mm
    Flange Type: V-Band
    Includes Hardware: Yes
    Includes Spring: Yes, All Springs
    Material: Stainless Steel / Aluminum
    Pressure Rating: 0.3-1.7 bar
    Type: External
    Water Cooled: Yes
    Mfgr. Warranty: Limited Lifetime Warranty
    Condition: New Product
    Return Policy:

    RallySport Guarantee - 30 Days


    Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

    RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

    The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.
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    PEOPLE WHO VIEWED THIS ITEM ALSO VIEWED

    REVIEWS & CUSTOMER MEDIA

    6 Reviews
    4.2 out of 5 Stars
    5 Stars
    (4)
    4 Stars
    (1)
    3 Stars
    (0)
    2 Stars
    (0)
    1 Stars
    (1)
    Customer Photos and Videos
    Tial MV-S Wastegate 38mm Black w/ All Springs ( Part Number: 002953)
    Tial 38mm 5 years ago
    4out of 5stars

    Ok first thing, the packaging was rock solid, props to Tial for that. The gate itself was a great piece and have had no issues with it at all. Only reason i gave it 4 stars is the v-band clamps they send you with are GARBAGE. Id prefer a standard v-band clamp over the weird ones that were sent. Still works great though.
      
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    1 of 1 people found the following review helpful
    BWAHHHHHH 5 years ago
    5out of 5stars

    Hands down my favorite performance mod ever to either of my subies. I absolutely love loudness, when my P&L quadtip and catless DP didn't satisfy me anymore this did the job. Puts a huge smile on my face every time this thing opens and I find myself giggling like a schoolgirl, I stuck with a EBCS because I like the sound of wastegate flutter rather than just open or closed you get with a hybrid MBCS setup
      
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    1 of 3 people found the following review helpful
    2 weeks wg 6 years ago
    1out of 5stars

    bought 2 of them, couple times of two step and the wg went bad, leaking and i thought it was my fault till took the car to the shop, wg is leaking.
      
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    1 of 1 people found the following review helpful
    Perfect upgrade 6 years ago
    5out of 5stars

    I bought this for my '08 wrx. I have a full invidia headers to catback exhaust so I decided to get this and was also recommended to it by a local performance shop (AWD Tuning). I couldn't be happier. I build boost quicker, hold it better, plus it sounds like a race car now. 316 ft lbs. of torque at the wheel on the stock TD04 pushing 16 lbs!
      
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    GREAT! 6 years ago
    5out of 5stars

    No Boost creep, even line all the way through, could be more happy! Love the variety of springs as well.
      
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    QUESTIONS & ANSWERS

    • Q: Dump pipe  Nelson Asay7 months ago

      Just curious. Do you HAVE to run a dump pipe with the wastegate or can it clamp off and run it through the exhaust? Thanks!
      • 0 of 0 people found the following answer helpful

        A:  You would need to run a dump tube. But, you can have a local shop fabricate the dump tube to recirculate into your exhaust system.

        Brady R @ RallySport Direct 7 months ago  
          
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    • Q: Tial MV-S connections  Rick D2 years ago

      Hi, When connecting the air ports and the plugs do you need to use locktite or perhaps thread tape to avoid leaks? I am just not sure if those plugs tightened on their own will hold the air pressure? Any info would be appreciated. Thanks!
      • 0 of 0 people found the following answer helpful

        A:  Locktite is not required but can be used. For the most part I used plumber tape.

        Tyler A. @ RallySport Direct 2 years ago  
          
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      • 0 of 0 people found the following answer helpful

        A:  Thanks. I was going to do that however figured plumbers tape was not designed for the heat the Watergates are subjected to.

        Rick D @
          
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    • Q: 16g turbo  awdboichris2 years ago

      If I'm running a 16g turbo/w e85 will this wastegate be fine?
      • 1 of 1 people found the following answer helpful

        A:  There are a bit more variables to look at when choosing a wastegate. Usually for high boost the smaller wastegate would be batter, for low boost a bigger wastegate would be better(like a 44mm).

        Luis L. @ RallySport Direct 2 years ago  
          
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      • 0 of 0 people found the following answer helpful

        A:  To clarify on Luis' answer, we recommend running the smaller wastegates with smaller turbos, a bigger wastegate with a small turbo such as a 16g would be counter productive. A bigger wastegate such as a 44mm would be better to run with our ATP turbo's or bigger Blouch turbos such as 2.5 XTR, 3076, etc...

        Tyler G.
          
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    • Q: Spring sizes  N. D2 years ago

      So what's the difference in spring sizes what do they do? I will be going flex fuel along with headers downpipe and catback, 14psi spring ok? What do these springs do?
      • 0 of 0 people found the following answer helpful

        A:  Essentially the springs regulate what boost pressure you will run if no boost controller is implemented. The spring pressure is relative to what PSI you want to run. A 14 PSI spring is going to work well for you if you want to run more than 14 PSI with the utilization of a EBCS( Electronic Boost Control Solenoid) or a manual boost controller.

        Jared A. @ RallySport Direct 2 years ago  
          
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    • Q: Tial 38mm wastegate  Iker bermudez3 years ago

      I have an invidia upipe and a stock turbo, my car is not boosting all the way stops pushing around 11lbs , could it be the wastegate not opening? And also will this fit with the indvidia up pipe?
      • 0 of 0 people found the following answer helpful

        A:  From what it sounds like is that your wastegate is only running wastegate pressure I would check all of the vacuum lines and boost lines.

        Jared A. @ RallySport Direct 3 years ago  
          
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    This Part Fits

    Universal Product
    This item is non application specific.
    Please verify compatibility before purchase. May require some modification for proper installation.