Key Features
The Turbosmart TS-0105-1102 Boost Controller is engineered for durability, precise adjustment, and reliable boost control.
Specifications
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Part Number: TS-0105-1102
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Type: Manual Boost Controller (Ball-and-Spring Design)
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Material: High-grade billet aluminum body
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Finish: Black anodized coating
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Adjustment: Precision adjustment knob
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Application: Universal turbocharged engines
The ball-and-spring design provides faster boost response and more stable boost control compared to simple bleed-style controllers.
New design with Bullet Valve technology! Fast boost response with two adjustable boost levels.
How a Turbosmart Boost Controller Works
A manual boost controller sits between the turbo compressor pressure source and the wastegate actuator.
Normally:
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Boost pressure goes directly to the wastegate actuator
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Wastegate opens at the spring pressure rating
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Boost pressure is limited
With a boost controller installed:
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Pressure to the wastegate is delayed
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Wastegate opens later
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The turbo produces higher boost pressure
This simple mechanical system allows drivers to increase boost levels without modifying the ECU.
Smaller and lighter than other Manual Boost Controllers on the market.
Toggle between high and low boost on the fly
Ideal replacement for factory boost controllers
Both high and low boost settings are fully adjustable
Performance Benefits
Installing a manual boost controller can significantly improve turbo performance.
Benefits include
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Increased boost pressure
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Faster turbo spool response
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Adjustable boost levels
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Simple installation
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Reliable mechanical operation
For many turbocharged builds, it’s one of the easiest ways to gain additional power.
Compatible Applications
The Turbosmart TS-0105-1102 Boost Tee works with nearly any turbocharged engine using a wastegate actuator.
Common applications include:
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Turbo Honda builds
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Subaru WRX and STI
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Mitsubishi Eclipse / DSM
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Nissan SR20DET and RB engines
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Toyota Supra turbo builds
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Custom turbo setups
If your turbo system uses a wastegate-controlled boost system, this controller can be installed.
Turbosmart Boost Controller Installation Overview
Installing a manual boost controller is straightforward.
Typical setup:
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Connect boost source from turbo compressor housing
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Route hose through the boost controller
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Connect output hose to wastegate actuator
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Adjust boost gradually while monitoring with a boost gauge
Keeping vacuum lines short and secure helps maintain stable boost pressure.
Because randomly cranking the controller up and hoping for the best is a great way to meet your engine builder again.
Why Choose Turbosmart Boost Controller?
Turbosmart is widely known for producing high-quality turbocharging components including wastegates, blow-off valves, and boost control systems. Their products are trusted by enthusiasts and professional motorsport teams worldwide.
The Boost Tee manual boost controller is one of the most popular and reliable boost control solutions available.
Final Thoughts
The Turbosmart TS-0105-1102 Manual Boost Controller is a simple but highly effective upgrade for turbocharged engines. With durable construction and precise adjustment capability, it allows drivers to safely increase boost pressure and unlock additional performance.
For turbo enthusiasts looking for a reliable boost control solution without complicated electronics, it remains one of the most trusted options on the market.





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