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The boost controller sits between your turbocharger and wastegate, where it modifies the pressure signal for more consistent performance.
When the air pressure leaving the...
The boost controller sits between your turbocharger and wastegate, where it modifies the pressure signal for more consistent performance.
When the air pressure leaving the turbo exceeds the preload of the spring inside the wastegate, the wastegate opens a valve allowing some exhaust gases to bypass the turbo, reducing boost to safe levels. However, the wastegate can partially open before its rated psi, resulting in inconsistent boost response. A boost controller prevents the wastegate from opening prematurely by regulating the boost signal.
Manual (or mechanical) boost controllers consist of another spring-actuated valve that...
The boost controller sits between your turbocharger and wastegate, where it modifies the pressure signal for more consistent performance.
When the air pressure leaving the turbo exceeds the preload of the spring inside the wastegate, the wastegate opens a valve allowing some exhaust gases to bypass the turbo, reducing boost to safe levels. However, the wastegate can partially open before its rated psi, resulting in inconsistent boost response. A boost controller prevents the wastegate from opening prematurely by regulating the boost signal.
Manual (or mechanical) boost controllers consist of another spring-actuated valve that allows some boost pressure to bleed off or bypass the wastegate. They usually have a knob that allows you adjust the responsiveness. They’re simple, inexpensive, and provide maximum spool-up speed.
Electronic boost controllers are more sophisticated, using solenoids or stepper motors to limit the activation of the wastegate based on a variety of inputs, including manifold pressure, rpm, and throttle position. These controllers help address control and drivability issues, and provide overall better performance.
For more information of boost controllers, check out this article on our blog, and if you need help finding the right one for your project vehicle, contact us and talk to one of our tech experts.
With the huge selection of boost controllers at Summit Racing Equipment, you’re sure to find one that matches your performance and budget needs. Shop from well-known brands you can trust, including TurboXS, MSD Ignition, Holley, AEM Electronics, Turbonetics, Vibrant Performance, and more.
AEM Electronics Tru-BoostX gauge-type controller kits combine the simplicity of a manual boost controller with the added ease of adjusting boost levels through a gauge interface. There is no external interface required for setup and they are fully functional right out of the box. If you want more boost, press the button on the right of the gauge face, and if you want less boost, press the button on the left of the gauge face. It's that simple, and it works! AEM Electronics Tru-BoostX gauge-type controller kits contain everything you need, including an on-board 80 psig pressure sensor, built-in overboost protection with two timed shutdown levels, a scramble boost setting, and a low-side output for a warning light. AEM includes a boost control solenoid that is specifically manufactured for automotive boost applications. This means that it will not corrode and stick from exposure to rich fuel mixtures, is pressure-tested to 100 psi, and includes -4 AN fittings to eliminate any chance of leaks.
( 3 )
$380.95
Install smarter boost management with Turbosmart e-Boost 2! These electronic boost controllers give you ultimate control over the boost curve with smart features designed to get results. Engineered to win, Turbosmart e-Boost 2 boost controllers lead the class with 60 psi max boost operating pressure. They allow you to control, monitor, map, and compensate boost, plus control water spray, methanol or nitrous injection, manage shift/warning lights, and read/monitor rpm! Their state-of-the-art software is easy and logical to use, so you can confidently control all aspects of the boost curve--set point, gate pressure, and sensitivity. Whether you have a top-level racer or street-going vehicle, if it's turbocharged, make it Turbosmart-charged with Turbosmart e-Boost 2 boost controllers!
( 2 )
$513.75
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$689.95
FuelTech boost controller dual valve kits use the active control function of the wastegate valve pressure for a more precise control of turbo pressure in street, circuit, and drag race cars. The control can be performed by time after 2-step, by gear and engine RPM, by gear elapsed time, by a single target, or by engine RPM—besides specific targets for 2-step, 3-step. and burnout mode. Modify the pressure signal for the performance you want with a FuelTech boost controller dual valve kit.
Not Yet Reviewed
$249.00
Set it and forget it with Turbosmart boost tee boost controllers! These smaller and lighter manual boost controllers offer precision power, durability, and the biggest bang for your buck. Turbosmart boost tee controllers are easy to install and are cost-effective in controlling the amount of pressure going to your wastegate via their gated boost control valve. Built from high-grade brass and aluminum, these controllers allow for easy boost adjustment from under the hood with their accurate, proven detent system. Under the hood boost tees are ideal for many applications from mild to wild! Improve your turbo response and performance with Turbosmart boost tee boost controllers.
( 1 )
$98.95
Manufacturer Rebate
Innovate SCG-1 boost controllers integrate the industry-leading DirectDigital wideband air/fuel ratio technology. The company paired its advanced oxygen sensor control technology with its all-new proprietary solenoid control that provides superior boost control accuracy, response, and safety. A user-programmable shift light was added, with the entire package housed in a compact gauge body for ease of installation and use. As with all of Innovate's air/fuel ratio products, the SCG-1 boost controllers utilize only 100 percent digital wideband air/fuel ratio technology to provide real-time feedback to the SCG-1. This air/fuel information is displayed on an integrated OLED display, along with manifold pressure and wastegate duty status. The air/fuel ratio information is also used to provide a user-definable boost cut that enhances the safety margin over most competitors' offerings which rely only on overboost threshold. Innovate SCG-1 boost controllers have a full-programmable analog output, ideal for applications using standalone ECUs, piggyback ECUs, or external data loggers.
( 3 )
$440.99
On Sale
Holley boost control solenoids are designed for optimal performance when using the boost control function of Holley EFI. Some setups require two solenoids and some require one. They're driven by a Pulse Width Modulated (PWM) output of the ECU. It is advised NOT to use the PWM+ outputs on a Holley HP ECU, but rather use the PWM- outputs. If you have a Holley Dominator ECU, use either the PWM- outputs or a PWM+ output on the J2B connector.
( 4 )
$182.95
$118.95
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$449.95
The G-Force III is the latest iteration of Go Fast Bits' feature-packed electronic boost controller—now with the ability to monitor and display your engine's air/fuel ratio in either Lambda or AFR. By connecting the analog output of most wideband oxygen controllers (i.e. Innovate LC-2, AEM UEGO etc.; sold separately) to the G-Force III's auxiliary input, you can toggle between boost pressure and air/fuel ratio display. This saves you from having to install a separate AFR gauge in your car, and it can also save your engine! A lean mixture at high boost can destroy an engine in seconds, and a stand-alone AFR gauge is next to useless when accelerating hard, as your concentration is likely to be on the road in front of you. The G-Force III safeguards your engine against a lean mixture by lowering boost to the minimum setting, and visibly warning you by flashing the display lighting. Whether your car is a daily driver or an all-out track weapon, the G-Force III has the features to tailor boost to suit your needs. Set up to six boost presets and select on the fly; use the scramble feature for overtaking, launching, towing, or protecting the engine—and you can even customize the lighting color to suit your interior! No other EBC on the market offers the features, control, ease of use, and value for money like the G-Force III! Additional G-Force III electronic boost controller details: * For boost pressures up to 50 psi (3.45 bar, 345 KPA) * Adjust peak boost, rise rate, and closed loop correction. * Display boost pressure in PSI, BAR, or KPA * 6 Boost presets, individually programmable * Unique "scramble" feature with remote switching * Peak boost recall * Air/fuel ratio display in AFR or Lambda (when connected to a wideband oxygen controller) * Separately adjustable overboost and lean mixture warning/boost cut * Touch buttons with user selectable illumination colors * Auxiliary input to switch boost presets or activate scramble * 1/2 DIN size casing, fits standard stereo slot * Supplied with MAC 3-port solenoid
( 1 )
$396.00
For boost control select a Haltech solenoid. Available in a 3-port or a 4-port model that control a wider range of boost pressure, each includes hose fittings, rubber isolated mount, and matching DTM 2 plug and pins set. Both are compatible with HalTech ECUs. Select the boost control solenoid desired for your setup.
Not Yet Reviewed
$130.00
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$145.00
Summit Racing™ boost control solenoids are simple universal 12 V activated solenoid valves that you can use to control your boost pressure. They can be used with any engine control system or boost controller and allow you to vent or route pressure to or from your wastegates. They include the solenoid, 1/4 in. hose barb fittings, and a vent.
( 1 )
$61.99
You're in the driver seat for boost control with Turbosmart! Their in-cabin boost controllers provide enthusiasts like you with boost adjustment on the run! Turbosmart manual boost controllers are manufactured from high-grade brass and aluminum, easy to install, and offer the most cost-effective way of controlling the amount of pressure going to your wastegate. In-cabin controllers feature a detent system for ease of adjustment and a gated system to bring the boost on faster. Turbosmart in-cabin boost controllers are strong, lightweight, and they put you in control from the driver seat of your turbo machine.
Not Yet Reviewed
$138.95
Attention--use Turbosmart e-Boost Street boost controllers with extreme confidence! These no-nonsense electronic controllers offer track-proven technology to achieve the results that you want from your street machine. Turbosmart e-Boost Street controllers feature 40 psi max boost operating pressure, two boost settings, a boost correction factor, auxiliary output, and an easy-to-read, 3-segment display with adjustable brightness and a flash warning. You control the set point, gate pressure, and sensitivity to afford the boldest performance from your street-tuned car. Install the track-trusted, street-ready reliability and performance of Turbosmart e-Boost Street boost controllers.
( 4 )
$353.14
Turn up the boost with Vibrant Performance manual boost controllers! These lightweight, compact controllers are one of the easiest and most affordable ways to squeeze more horsepower and torque from your turbocharged vehicle. Vibrant Performance manual boost controllers feature a unique integrated dial that lets you precisely set your boost, while eliminating the risk of over-boosting that can occur using other manual boost controllers. Vibrant Performance even includes an adjustment key that you can carry on your key chain to easily adjust your boost whenever you wish! They're CNC-machined from T6061 billet aluminum and premium-grade brass and include 18 in. of silicone vacuum hose and installation instructions.
( 2 )
$107.99
These AEM Electronics boost control solenoid kits will not degrade rich fuel mixtures like most common boost control solenoids. This will significantly extend life and eliminate the chance of sticking from contamination. They are pressure-tested to an amazing 100 psi and will not leak. AEM Electronics boost control solenoid kits include -4 AN fittings so that you can securely attach wastegate lines without worrying about leaking at the connection. AEM also includes the barb-style hose fittings where push-on fittings are required.
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$135.95
DIYAutoTune electronic boost control solenoid kits can be used with the MS3-Pro/MSPNP as well as any DIY MegaSquirt EMS (with the appropriate mods), or with other electronic boost controllers to control boost by adjusting the pressure to a turbo wastegate. The MS3Pro, MS3X, MSPNP, and DIYPNP can drive these solenoids directly. The boost control solenoids operate on a frequency of 19.5 to 40 Hz and is practically a wire-in replacement for the now-discontinued GM EBC solenoid. They usually need a slightly lower duty cycle than the GM valve; if you're replacing a GM valve, DIYAutoTune recommends cutting back your duty cycles by 30 percent and then carefully testing and adjusting as needed. The kits include 1/8 in. barb fittings and mounting hardware.
( 1 )
$62.99
Get double the adjustment with Turbosmart dual stage boost controllers! You'll have fast boost response and two adjustable boost levels, plus the best bang for your buck in horsepower upgrades! Turbosmart dual stage boost controllers are built for precision and durability from high-grade brass and billet aluminum. They offer a robust design and a detent adjustment system for accurate and simple boost tuning. They also include a Rocket Launcher switch to toggle between high and low boost on the fly! These manual boost controllers are ideal for mildly modified turbocharged engines and are perfect for increasing boost levels on factory turbo cars and engines. Control the boost on two levels with Turbosmart dual stage boost controllers.
( 1 )
$259.95
Mishimoto manual boost controllers are constructed from high-quality 6061 anodized aluminum and stainless steel, sure to withstand the harshest of environments in your engine bay. The anodized aluminum body and stainless steel internal components are designed to provide you with a lifetime of service. The stainless steel ball detent system will ensure that your boost level is consistent and stays exactly where you set it. Easily adjust boost levels from under the hood with the turn of a knob and no additional tools. The knurled stainless steel adjustment knob makes it quick and easy to adjust. CNC-machined stainless steel fittings ensure boost reference lines stay secure and leak-free. Mishimoto manual boost controllers are easy to install and offer an effective solution to get better turbo response and increased boost levels. Each unit includes a universal mounting bracket to keep your boost controller safe and secure in the location of your choosing. Available in a black or gold anodized finish.
Not Yet Reviewed
$83.95
On Sale
MSD Power Grid boost controllers let the driver regulate the amount of boost pushing air into the engine. These controllers allow you to devise a timing map based on boost pressure, and map entire runs with advanced View software. Values are based on pressure sensors, including a 4-BAR internal, which is good through 43.5 psi. The units include a safety overboost shut-down feature and boost pressure activation output. (To use any modules with the Power Grid system, users must plug the modules into a 4-connector CAN-Bus hub to be attached to the Power Grid system controller). For optimum control of boost, use MSD Power Grid boost controllers.
( 1 )
$1,549.95
$852.95
PRODRAG boost control solenoids are available in 3- or 4-port models. Solenoid valves regulate the amount of boost pressure in a turbocharged or supercharged engine. They allow the pressure that's supplied to the diaphragm to be controlled by the ECU by venting some of this pressure. These kits include a boost control solenoid, 2-way WeatherPack female connector, two WeatherPack pins, and two wire seals.
Not Yet Reviewed
$99.99
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$124.99
COBB Tuning 3-port boost control solenoids add the flexibility and precision needed for properly controlling boost via the factory ECU. Many upgrades to your turbocharging system, such as larger turbochargers and external wastegates, will require the increased performance, reliability, flexibility, safety, and installation options that the COBB 3-port BCS provides. Features include: * Accurate and consistent boost control * Plug-and-play 18-gauge wiring harness * 1/8 in. nickel plated barbed fittings * Rated up to 120 psi * Custom aluminum BCS mount * Available for several different applications
Not Yet Reviewed
$185.00
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$215.00
PRODRAG injector boost controllers are the fastest and most accurate way to control boost. Utilizing an injector for moving boost increase and decrease individually allows for very fine adjustments—along with the ability to hold an exact amount of boost down the track. These controllers can be used for standard manifold referenced boost control as well as C02 and compressed air setups. The units are compact for mounting in tight areas, and feature an 1/8 in. NPT inlet and dual 1/8 in. NPT outlet ports. Each kit comes with a billet block assembly machined in house using USA sourced aluminum with a black anodized finish, two FID 2000cc injectors, 2x injector plug/pin kit, and mounting hardware.
Not Yet Reviewed
$549.99
Putting together the most advanced feature sets ever seen in boost controllers, AutoMeter has redefined the category. These AutoMeter electronic boost controllers are packaged in a familiar and easy-to-install 2 1/16 in. gauge housing. They offer some of the most powerful functions ever assembled for safely extracting the most performance possible from your forced-induction application, and the level of precision, response, and durability that racers have come to trust within the AutoMeter performance instrument range. Intuitive programming menus operated right through the controllers (no separate software or interface modules are required) make setup and use incredibly easy. Power is nothing without control. They are specifically designed for turbocharged gasoline engine combinations running up to 30 psi of boost pressure. AutoMeter electronic boost controllers feature: * High/low boost modes: pre-program and set two different configurable boost settings that can be switched between on-the-fly with the push of a button, perfect for performance track day cars and racing applications * Boost by rpm/boost by gear: integrating AutoMeter's most advanced digital tachometer circuit, your boost curve can be tuned precisely by 500 rpm increments to minimize wheel spin and put more power to the ground * One-touch gear capture: instantly capture each gear with the push of a button; drive normally in your chosen gear and hit the capture button * Peak boost recall: one-touch recall of the highest boost pressure achieved during a given time * Configurable warnings with overboost protection: easy-to-set parameters provide a full face flashing warning if boost pressure moves beyond your settings to quickly alert the driver. The warning doubles in speed if boost pressures exceed your programmed settings by 2 psi or more * Pro control output: using your programmed high and low boost settings, the AutoMeter boost controllers can automatically trigger external devices such as water methanol injection, intercooler sprayers, nitrous solenoids, or other devices that can be activated via relay * Pro control input: can also be controlled by external devices, any ground signal sent to the pro control input will immediately back boost levels down wastegate spring pressure * Display: highly versatile boost pressure reading units represented on the digital LED display can be selected via the user button interface * Data logger output: configurable scale 0-5v analog voltage output in either PSIA or PSIG allows for signal sharing/boost readings with other performance electronics, such as data acquisition systems or engine control units * Tach/speed signal diagnostic: onboard real-time diagnostics to verify the presence and correct operation of both of these inputs
Not Yet Reviewed
$544.99
Stack boost controllers offer an unparalleled feature set, redefining what the performance instrument should be. In addition to the standard "hi/lo" mode, "Boost by rpm" and "Boost by Gear" give you absolute control of your power delivery. Initial setup is incredibly simple using an intuitive menu and an evolutionary gear capture process. Configurable warnings with peak recall and boost shutdown are standard safety features designed to protect your engine. A scalable display range allows you to tailor resolution to show only the needed range for your application. Stack Gauges' Pro Control output system is equipped to allow electric devices to be controlled at a user-defined boost pressure (such as water/methanol injection, nitrous, etc.), as well as Pro Control input to default to wastegate spring pressure, should the need arise. You can display pressure in psi, BAR, or kPa—and easily data log and display with or without real-time barometric compensation. A direct-plug wiring harness is included for ease of installation. Choose the face color you prefer.
Not Yet Reviewed
$440.99
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$471.99
Want to increase or decrease the boost on your variable vane (i.e. VNT/VGT) turbo diesel? Is the factory boost curve erratic and all over the place? Blown an engine with the factory boost control system? Then the Go Fast Bits V2 VNT boost controller is for you! It's common knowledge that some engines with vacuum operated ECU controlled VNT/VGT turbos suffer erratic boost behavior—to the point where turbo or engine failures can occur, even on completely stock vehicles. The V2 takes over from the factory ECU control and ensures a stable and repeatable boost curve, which your engine will thank you for! Cleverly packaged within a black anodized CNC-machined 6061 aluminium housing are two individual adjustment dials, each having a separate and unique adjustment function. The first dial sets the boost pressure, while the other is used to adjust the boost rise rate, i.e. how fast the turbo spools—meaning you can tune your boost to suit any driving conditions. Manual Boost Controllers may lack the extra features of an EBC (Electronic Boost Controller), but they get the job done! When you need simple, reliable, set-and-forget boost control, a Manual Boost Controller is hard to beat. Installation is as simple as connecting a couple of hoses, and setup is as easy as turning the adjustment until you hit your target. Once that's done, you can forget about it and drive your car. Being a rugged, mechanical device, it will never vary or fail, no matter how much abuse you can throw at it. GFB Manual Boost Controllers are available in two types: one is suited for conventional pneumatic wastegates, and the other is for use with vacuum-actuated VNT (Variable Nozzle Turbine)/VGT (Variable Geometry Turbine) turbos that are commonly used on diesel engines.
Not Yet Reviewed
$179.10
N2MB Racing offers innovative electronics for your performance car—including their boost boxes. They act as a controller for the Dodge Neon SRT-4 that allows different boost settings for each gear to help maximize traction. Gain the upper hand in your race circuit competitions with N2MB Racing electronic boost controllers!
Not Yet Reviewed
$219.00
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