SKU: 94622911336

CTRX 45MM External Wastegate 14 PSI (904500-2)

Sale price$202.05 Regular price$224.50
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Description

CTRX 45MM External Wastegate 14 PSI (904500-2)Precision Boost Control. Maximum Durability. The Comp Turbo CTRX 45 External Wastegate is engineered for enthusiasts and racers who demand uncompromising boost control and long term reliability. Built around a high flow 45mm valve, the CTRX 45 delivers exceptional response, consistent pressure regulation, and superior thermal stability under extreme racing conditions. CTRX 45 WG features optimized airflow paths, enhanced cooling capability, and robust

Precision Boost Control. Maximum Durability.

The Comp Turbo CTRX 45 External Wastegate is engineered for enthusiasts and racers who demand uncompromising boost control and long-term reliability. Built around a high-flow 45mm valve, the CTRX 45 delivers exceptional response, consistent pressure regulation, and superior thermal stability under extreme racing conditions.

CTRX 45 WG features optimized airflow paths, enhanced cooling capability, and robust construction for high-boost, high-temperature environments. Whether you’re road racing, drag racing, or building a high-performance street car, the CTRX 45 provides the precision and durability required to keep your setup performing at its best.

Key Features

  • 45mm high-flow valve for exceptional exhaust management and boost control
  • 360° adjustable actuator housing for effortless routing of reference lines
  • Dual locking V-band system for a secure, leak-free seal
  • Multiple 1/8” NPT reference ports for flexible boost control configuration
  • Optional liquid cooling provision for extreme temperature applications
  • Full spring pack included for precise boost-pressure setup
  • Direct-fit compatibility with most 45mm V-band wastegate applications

Built for Performance

From street setups to professional race programs, the CTRX 45 is designed to handle demanding boost environments with stability, repeatability, and long service life.

What's Included:

  • Wastegate unit with spring installed Full Spring set (3, 5, 7, 14)
  • Locking collar Tool 
  • SS 316 valve seat
  • Strap-type V-band clamps
  • Inlet & outlet weld flanges
  • Hose tail & blank fitting kit 1/8″ NPT fittings and plugs
  • CT decal

 

CTRX 45mm Wastegate – 2-Year Warranty

1. Warranty Summary

Comp Turbo Technology Inc. (“CTI”) warrants the CTRX 45mm Wastegate to be free from defects in materials and workmanship under normal operating conditions for a period of two (2) years from the date of retail purchase.

During this warranty period, CTI will, at its discretion, repair or replace any covered wastegate that is determined to be defective, at no charge to the customer, excluding shipping costs.

2. What This Warranty Covers

This warranty applies to manufacturing related defects only, including:

  • Structural defects in the wastegate body, valve, or diaphragm
  • Manufacturing or machining defects
  • Defects in assembly (e.g., improperly installed internal components)
  • Premature failure of the valve guide, diaphragm, or actuator components under normal, recommended use
  • Any defect that prevents proper boost control operation and can be traced back to manufacturing or assembly error

Wastegates repaired or replaced under this warranty receive coverage for the remainder of the original warranty period.

3. What This Warranty Does NOT Cover

The warranty does not cover damage or failure resulting from:

  • Incorrect installation, improper tightening of cap ring, or installation performed against CTI’s recommended procedures
  • Disassembly of the wastegate beyond recommended service steps
  • Use of non-CTI springs, diaphragms, or components
  • Modifications, porting, machining, polishing, coating, or anodizing performed outside CTI facilities
  • Damage caused by debris, foreign objects, or lack of maintenance
  • Racing accidents, collisions, fire damage, or any external cause not related to a manufacturing defect

4. Warranty Void Conditions

Warranty becomes void if:

  • The product is altered, tampered with, or disassembled improperly
  • Serial numbers or identification markings are removed or damaged
  • The wastegate is used beyond its intended operating pressure or temperature range
  • Failure occurs due to improper routing or omission of cooling lines (if used in high-heat applications)

5. Warranty Claim Procedure

To submit a warranty claim:

  1. Contact CT to obtain an RMA Number (Return Material Authorization).
  2. Provide proof of purchase (invoice, email receipt, or dealer order confirmation).
  3. Send the wastegate to CTI’s inspection facility with the RMA number clearly marked.
  4. CTI will inspect and test the product to determine warranty eligibility.
  5. Approved warranty items will be repaired or replaced free of charge (customer covers inbound and outbound shipping).

6. Limitation of Liability

CTI’s liability is limited strictly to the repair or replacement of the wastegate. CTI is not responsible for:

  • Labor costs
  • Vehicle downtime
  • Engine or turbocharger damage resulting from improper installation or tuning
  • Incidental or consequential damages of any kind

No other expressed or implied warranties exist beyond the terms stated here.

CTRX 45 mm External Wastegate

Installation Instructions

Thank you for choosing the Comp Turbo CTRX 45 mm External Wastegate. This wastegate is designed for high-performance turbocharged applications and is suitable for street, strip, and motorsports use when installed correctly.

IMPORTANT NOTES

  • Professional installation is strongly recommended.
  • Ensure the engine and exhaust system are cool before installation.
  • Improper installation may result in boost control issues or engine damage.
  • Base spring pressure represents the minimum boost level achievable without electronic boost control.

WHAT’S INCLUDED

  • CTRX 45 mm Wastegate assembly
  • Pre-installed base spring (as ordered)
  • Additional springs (for tuning base pressure)
  • V-band connections (if supplied with your kit)
  • Multiple 1/8″ NPT boost reference ports

(Included hardware may vary by vendor—verify contents before installation.)

MOUNTING & PLACEMENT

  • Install the wastegate on the exhaust manifold or turbo collector, as close to the turbine inlet as possible.
  • Ensure the wastegate valve sees smooth, direct exhaust flow. Avoid sharp angles or dead-end placement.
  • Position the wastegate so the valve stem is vertical or angled slightly upward when possible.
  • Secure the wastegate using the V-band clamp(s) and ensure all connections are tight and centered.

SPRING CONFIGURATION

  • The wastegate ships with a base spring installed (example: 7 psi).
  • Base boost pressure = spring pressure only (no controller influence).
  • To change base pressure:
    • Remove the top cap carefully.
    • Add or remove springs as needed.
    • Reinstall the cap and tighten evenly.

Always ensure the cap and ring are fully seated and tight.

BOOST REFERENCE & PLUMBING

  • The bottom port should be connected to a boost pressure source (compressor housing or intake manifold).
  • The top port is used for:
    • Electronic boost control
    • CO₂ or compressed air control
  • Unused ports must be properly plugged.

Basic setup (spring-only):

  • Boost source → bottom port
  • Top port → plugged

COOLANT PORTS (IF EQUIPPED)

  • Coolant ports are optional and not required for operation.
  • If used, plumb into a low-pressure coolant circuit.
  • Do not cap coolant ports unless specified.

FINAL CHECKS

  • Verify all V-bands, fittings, and plugs are tight.
  • Confirm there are no exhaust or boost leaks.
  • Start engine and check for proper operation.
  • Monitor boost during initial test drive.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 94622911336

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Mel
Boise, US
★★★★★ 4
Pretty good beginner book, very user friendly covers Development and Design
Format: Paperback, Format: Paperback
I enjoy learning Game Dev, but I research books because many authors promise a lot and deliver half or not at all and I have to put the book down. This book was pretty good. I appreciate the author explaining things, and remember he's writing a book for beginners. There's also a good amount of pics in the book, and I dislike a book with no pics. Also, he breaks it down very simply and explains that you're not going to learn the entire Unity ecosystem, but rather a beginner-level understanding to get a person started. I enjoyed this book and will definitely go over particular info again. They have a Discord group and a newsletter with tips and it also goes over Game Design. I was surprised to see this, and maybe it's new to me, and I like the analogy of explaining complex terms. A con of the book is that as it progresses, it starts to come off as advanced in scripting, and I turned to AI for additional explanations. Still, the author did explain in advance that it's about to get more advanced, but that's me going deeper into the meaning and explanations. Other than that, it's a good read that you will go to more than once and has practical info to help you on your Unity journey.
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Reviewed in the United States on December 1, 2025
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SkyGuardian
Lake Worth, US
★★★★★ 5
This is a game changer in Unity!
Format: Paperback
The amazing part about this book is how it begins. It tells you which Unity, VS (Visual Studios), and which C# versions you should use for best results. This in my thoughts are the most important part when programming, know which ones to use to make your experience the best it can be. There are exclusives in this as well. This book has some major pics to show those who are visual learners and that is a great asset as most people need to see it and use it in order to understand what they are doing. Books sometimes leaves this important thing and some get lost in the reading and put those types of books down and never pick them up again. I read through this book and found things that intrigue me and make me want to literally just get into it until I'm done reading and using the pics to guide me through. This book also works with MacOS as well. I'm not much into that operating system but I know many who prefer that and that is awesome that this teaches this way as well. This even has pop quizzes for you to do to enhance the effects of learning and I am sure this would be a book that would be used in schools if it were offered as a preferred reading/teaching structuring the class for success. I have said it before in my reviews that this is again another great book to add to your collection. Each book of this type is something that should be purchased or gifted to someone to make their lives easier when it comes to programming and the way this book does it's teaching style it makes programming that much easier and more fun. So many things in this book I don't have enough room or a way of putting it into words. Best tog eab this book and enjoy every part of it and I promise it won't be a waste of money.
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Reviewed in the United States on November 15, 2025
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Jason Skillman
Louisville, US
★★★★★ 5
Great for getting into Unity and mastering it
Format: Paperback
Sometimes I mentor students who are just getting started in Unity. This is a great resource I can use to help them along. The book has a great start by covering topics like what is a variable, how to call a function, classes, and OOP. There is even some tricks on how to debug your code which a lot of people struggle with. For statements this books covers all of them, if, else, for, switches, etc. Other books don't explain OOP well enough but with book goes over it very well and explains what the difference between a value and reference type is. Towards the end there are a bunch of project examples like making a player, shooting projectiles, and creating a user interface. This book is very up to date and uses Unity 6. If you just started learning Unity then this is a must have book.
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Reviewed in the United States on November 13, 2025
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Just_A_Reader
Lexington, US
★★★★★ 5
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Creating games isn’t intimidating thanks to this gem of a book. Easy to read and follow, the knowledgeable author makes learning C# fun and helps readers gain confidence, proving even a novice has what it takes to make a game. In addition, the author provides pop quizzes to ensure readers can measure their new-found knowledge before moving onto a new chapter. This hands-on approach is helpful and prevents readers from missing key components. Since my coursework never addressed connecting to the server and pulling data, I found chapter 13 to be of great interest and help. It was interesting to learn what happens behind the scenes and gave me valuable tools to explore, demonstrating this book is advantageous for both novices and professionals. There’s always something new to learn.
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Reviewed in the United States on November 15, 2025
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Paul Killman
Carnegie, US
★★★★★ 5
Well written and worth the price!
Format: Paperback
Learning C# by Developing Games with Unity 6 is an excellent resource for anyone looking to dive into game development while building a solid foundation in C#. Harrison Ferrone’s writing is clear, approachable, and well-structured, making complex concepts easy to understand—even for beginners. Even though this book is about learning C#, it also touches on game design, lighting and animation. I especially appreciated how the book balances coding fundamentals with Unity-specific techniques, creating a seamless learning experience. Whether you're new to programming or just new to Unity, this book is a fantastic starting point. Highly recommended for aspiring game developers!
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