The Best Blow off Valves of 2022

Best blow off valve

Best Blow off Valves – When shifting, many turbocharged cars lack a loud sound. A blow off valve (BOV) can be used to remove the load from the turbo when decelerating, resulting in a smooth hissing sound. This buying guide will help you choose the best blow off valves for your turbocharged application to keep it running at its peak.

If your automobile has a turbocharged engine, you’ll need the best blow-off valve, also known as a diverter or pop-off valve, among other terms. It’s the one that makes a loud noise that’s easily linked with turbocharged vehicles. It is also in charge of safeguarding the engine and ensuring that the vehicle maintains its peak performance.

If you’re unsure about adding a blow off valve to your turbocharger, get guidance from your mechanic or a local shop. Other factors to think about while choosing the optimal blow off valve for your BOV car are:

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  • Sound and noise rating

As a reward for your efforts, you want a decent sound from your loud blow off valve, and certain sounds are more enticing than others. You want a cool, dynamic yet forceful sound with a clean quality, not a rattling sound. Check the valve’s noise rating as well because while you want to turn those heads, you don’t want to end up with a noise abatement order from the neighbors.

  • Cost

When it comes to adding a blow off valve to your prized turbo-wheels, we recommend getting the best you can. Cheap valves can be costly in the long run since they can harm your engine or perform poorly. Consider a blow off valve a long-term investment rather than a quick fix.

The rest of this tutorial will assist you in locating the best blow off valves that will meet your requirements. We’ll go over some of the most crucial variables to think about, as well as the top items that offer the most bang for your buck. Check out our Valve Service Providers on Linquip for more information to fulfill all your needs.

Best Blow off Valves Reviews

GFB Go Fast Bits Blow off Valve or DV+

Best Blow off Valves
GFB Go Fast Bits Blow off Valve (Reference: lowes.com)

Pros & Cons

Pros
  • One of the most cost-effective blow-off valves on the market
  • Smooth operator with an even smoother sound

  • Eliminates compressor surge

Cons
  • Because it is not a universal fit, double-check that it is compatible with your vehicle model.

Specifications

Weight 7.2 ounces
Model T9351
Brand GFB
valve mechanism Pilot-actuated

 

General Descriptions

For its mid-range price, the DV+ is a direct-fit blow-off valve with the impressive build quality. By replacing the housing with an anodized billet aluminum shell and a brass piston that is designed to exact tolerances, Go Fit Bits has improved the valve’s mechanism with minimum plastic parts. The result is a turbo blow-off valve that is easy to install and provides a quicker throttle response as well as much boost as you can pitch without turbo flutter. Everything feels smoother once it’s in place, and your automobile operates as if it’s just had a professional tune-up. For its pricing, the DV+ offers excellent value and quality.

HKS Super SQV4 Sequential Blow Off Valve Kit

Best Blow off Valves
HKS Super SQV4 Sequential Blow Off Valve Kit (Reference: amazon.com)

Pros & Cons

Pros
  • The Super SQV4 is simple to install, thanks to a well-thought-out installation kit.
  • Quality engineering that is visible and audible
Cons
  • On the larger side for a blow off valve

Specifications

Weight 1.54 pounds
Model 71008-AK001
Brand HKS
Material Aluminum die-cast body

 

General Descriptions

One of the best qualities of this blow-off valve is the clean and crisp sound it produces. You’ll turn heads on the road with the latter. It’s good for more than just the sound of your engine; it’s also good for improving performance in a variety of ways.

This product may be one that you will enjoy because it already includes everything you will require to complete the installation. It already comes with an O-ring, a vacuum filter, zip ties, C-clips, and T-fittings in addition to the valve. In addition, the company gives comprehensive instructions.

The pull-type relief structure is another feature that makes this an excellent choice. The latter is the one that ensures the valve’s stability no matter how much boost is applied. This will ensure that it performs consistently.

Finally, keep in mind that there are a plethora of knock-offs on the market. Because of its popularity, it is frequently replicated. As a result, you should take the time to inspect the product and ensure that you are purchasing an actual one.

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Turbosmart TS-0203-1061 Blow-Off Valve

Best Blow off Valves
Turbosmart TS-0203-1061 Blow-Off Valve (Reference: amazon.com)

Pros & Cons

Pros
  • Crispness of sound
  • Solid built
Cons
  • There isn’t universal compatibility.
  • The boost isn’t consistent.

Specifications

Weight 7 ounces
Type O-ring sealed piston
Model TS-0203-1061
capability 30PSI boost handling capability

 

General Descriptions

This is one choice you should think about. You can rest assured that the quality and functioning are satisfactory. This valve is 7x6x5 inches in dimension. You can expect a slim body with this, making it simple to install and, more significantly, space-saving. However, you should check to see if this is compatible with your vehicle first, as it is not universal.

It’s also an advantage that it’s not too heavy. You could believe that this product is inferior because it is only 7 ounces. Though, it is capable of delivering monster results. It’s astonishing that such a slim body can deliver power that’s difficult to match.

Another reason why this product is amazing is the sequential timing it provides. This means that the engine will be quiet when driving in normal conditions. Only when you’re racing at peak speed will you hear the whoosh sound. This can also be an excellent choice in terms of durability. It does not have unreinforced diaphragms, unlike some of its plastic equivalents. The latter is more prone to cracking.

Boomba Racing Blow Off Valve

Best Blow off Valves
Boomba Racing Blow Off Valve (Reference: ebay.com)

Pros & Cons

Pros
  • Impressive performance for its price
  • Quality, durable build
Cons
  • Only the Ford 2.0L EcoBoost OEM Turbo is suitable.
  • The blow off whoosh that we all love is absent from the sound.

Specifications

Weight 5 pounds
Model 022-00-006R
Material Made from aircraft-grade billet aluminum
Pressure range up to 70psi

 

General Descriptions

This is a blow off valve that doesn’t like to be bothered. The Boomba for the Ford 2.0L EcoBoost OEM Turbo is well worth a look if you like a valve that does its job. It makes a sound – albeit a very loud one – but it isn’t quite up to pace with the more vocal blow-off big ones.

When it comes to the delightful whoosh that distinguishes your turbo, its sound is a bit not enough. However you do get a good unit that is simple to install and can withstand boost pressures of up to 70 pounds per square inch. It’s also built of aircraft-grade billet aluminum, so you can expect a high-quality, long-lasting build.

Dewhel Universal V-Band Blow Off Valve

Best Blow off Valves
Dewhel Universal V-Band Blow Off Valve (Reference: drifted.com)

Pros & Cons

Pros
  • A high-quality build and performance that belies its low pricing.
  • High boost pressures are no problem for this vehicle.
Cons
  • Check with your dealer whether you’ll need an adapter to fit your car’s engine.

Specifications

Weight 1.7 pounds
Model BOV-50MM BLACK
Type Banjo-type bolt and air fitting

 

General Descriptions

The Dewhel is our top value option due to its low price and universal use. It’s made of CNC aluminum alloy and has a huge 50mm valve.

You get a lot of good engineering stuff, like an aluminum banjo-style air fitting and bolt with a 10mm hose barb for quick reaction. For longer shelf life, a high-temp silicone Nomex-reinforced diaphragm is included. This is a fantastic turbo blow-off valve that is both sturdy and simple to install. It comes with everything you need to get started. When put to the test, the sound is breathtaking, and it is not cheap.

GReddy Blow-Off Valve

Best Blow off Valves
GReddy Blow-Off Valve (Reference: maxboostbits.com)

Pros & Cons

Pros
  • Durable construction
  • Makes loud sound
  • Easy to fit
Cons
  • Kit does not contain flange
  • Not as popular as others

Specifications

Type Floating valve design
Weight 1.39 pounds
Model 11501665
Packing Comes complete with an installation pack

 

General Descriptions

Although not as well-known as the other goods described above, this is another alternative worth examining. This product’s global compatibility is one of our favorite features. It is capable of delivering enough performance in any vehicle. Its measurements are 9x5x7 inches, making it fairly compact. This is a positive thing because it eliminates the difficulty of setting it up. This also implies that it can be installed without the need to remove other engine components.

This blow-off valve is capable of delivering consistent results in any situation. It can be impressive regardless of the external circumstances. The airflow and responsiveness will always be excellent, which is why it is rated highly in terms of dependability.

Finally, it has a floating valve design, which sets it apart from the competition. There is a dual spring system that can be adjusted to meet the needs of the situation. One of the reasons for its long life is this.

Turbosmart Kompact Blow Off Valve

Best Blow off Valves
Turbosmart Kompact Blow Off Valve (Reference: themotorhood.com)

Pros & Cons

Pros
  • Makes a stunning, classy sound
  • Small but perfectly formed, with the impressive operation
Cons
  • Nothing major to report

Specifications

Weight 1.1 pounds
Material Made from solid billet aluminum
Packing Comes with an installation kit
Model TS-0203-1209

 

General Descriptions

This is a great fit for Mazdas because it’s a direct bolt-on replacement for the stock valve. When you ask for it, it provides you with an immediate pressure reaction. The Turbosmart Kompact is a small, compact design developed from solid billet aluminum that simply delivers you the performance you need without the overly loud noise. This is a blow off valve that prefers to let the performance speak for itself. The music is pleasant but not ear-splittingly loud, making the Turbosmart Kompact a one-of-a-kind performer.

The valve comes with everything you’ll need to put together, and it’s not difficult to put together. This is a great blow-off valve with a great sound that you’ll be excited to use around town.

GFB Go Fast Bits T9356 Diverter Blow off Valve

Best Blow off Valves
GFB Go Fast Bits T9356 Diverter Blow off Valve (Reference: carcaretotal.com)

Pros & Cons

Pros
  • High increases are easily handled, and compressor surge is effectively eliminated.
Cons
  • It is not universal, so be sure it is compatible with your vehicle.

Specifications

Weight 6.4 ounces
Model T9356
mechanism Pilot-actuated
Material billet aluminum

 

General Descriptions

When it comes to the Go Fast Bits DV Diverter, it’s sometimes preferable to keep things simple. We think the DV diverter is an excellent alternative because it is simple to install, maintain, and is reasonably priced. It integrates easily with the factory solenoid coil, and all of the valves are made of metal, enhancing the product’s strength and endurance. The entire housing is made of billet aluminum as well.

There’s a pilot-actuated mechanism for quick reaction independent of boost level and no compression surge. You’ll also notice a smoother acceleration transition and reduced turbo lag. To top it off, a turbo blow-off valve is included, which is both sleek and simple to install. It’s well worth the money because this is one blow off valve that will last a long time.

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GFB LGT TMS Response Blow Off Valve Kit

Best Blow off Valves
GFB LGT TMS Response Blow Off Valve Kit (Reference: carbibles.com)

Pros & Cons

Pros
  • Easy to setup
  • Fully-adjustable
  • High-quality construction
Cons
  • Can Cause backfiring

Specifications

Weight 1.15 pounds
Model T9001
Size Compact 7x7x4 inch size
Noise Fully adjustable settings for sound

 

General Descriptions

You will quickly see that this is a fantastic decision. It is an investment in your car that you should make, especially because it has a high performance. One of the reasons you might enjoy this kit is that it already comes in a package with everything you’ll need to put together. Aside from the valve, the kit also includes a gasket and a wrench.

It’s also simple to use. It is space-saving, with dimensions of 7x7x4 inches. The manufacturer gives detailed instructions on how to accomplish the installation in a matter of minutes.

Another advantage of this product is its adaptability, which stems from the fact that it allows for modification. The valve can be fine-tuned to meet the needs of a given vehicle. It’s also worth noting that it’s built to last, so you can be sure it’ll last for a long time. You may rest assured that it will continue to function at its best throughout time.

Turbosmart TS-0203-1209 Kompact Plumb Back Blow Off Valve

Best Blow off Valves
Turbosmart TS-0203-1209 Kompact Plumb Back Blow Off Valve (Reference: lowes.com)

Pros & Cons

Pros
  • If you want a more discreet approach, a nice, low-key blow-off sound is available.
  • It’s easier to install because it’s smaller.
Cons
  • Not universal – for selected Mazda and Subaru models

Specifications

Weight Weight
Model TS-0203-1209
Type OEM type fitment

 

General Descriptions

The Turbosmart Kompact is an excellent pick for a blow-off valve that checks all the criteria without putting your credit card into meltdown. This is a full recirculating turbo blow-off valve that provides adequate performance and sound without being excessive. It’s also a well-built item at a fair price. It won’t give you the ‘hey, look at me’ entire sonic boom, but it will give you the whoosh you want.

The Kompact’s dimensions are true to its name, but the smaller size makes it easy to install without causing too much movement in your engine. Despite its size, the build is sturdy, and you will notice a change in your engine’s performance. As you shift gears, the turbo responsiveness improves significantly, and it effectively eliminates any compressor surge.

FAQs about Blow off Valves

Do Superchargers Need Blow Off Valves?

Blow off valves are just for turbochargers, therefore, if you’re thinking about acquiring one for your supercharger, you’re wasting your money. A real supercharger uses forced induction and is designed to stay on and recognize pressure, so it doesn’t require a blow off valve to detect and release pressure. However, because some superchargers are centrifugal rather than employing a combustion system, a blow-off valve can be utilized – but it will also require the installation of a mass-air meter; otherwise, the blow off valve will be useless and may cause performance issues in your vehicle.

Can I Install a Blow-Off Valve in a Supercharged Car?

In supercharged engines, blow off valves can cause performance concerns. They’re solely meant to be used with turbochargers. Instead, a supercharger uses forced induction, which is designed to detect pressure build-up and release it. A blow-off valve for a turbocharger accomplishes the same thing.

What’s The Difference Between a Blow-Off Valve and a Wastegate?

Both units act in various ways to control the pressure of exhaust gases. When the throttle is quickly released, the turbocharger assists in releasing pressure from the turbo. With the help of an actuator spring, a wastegate regulates the level of turbo boost by dispersing the excess pressure from the boost to the turbine wheels.

Can A Blow Off Valve Damage Your Engine?

No, it will not damage your car’s engine if installed appropriately and to a turbocharger (rather than a genuine supercharger). In fact, because the best blow off valves are engineered to prevent surge loading and sustain turbine speeds between shifts, they help to safeguard and extend the life of both the engine and the turbocharger.

A blow off valve will keep the best working air pressure in your engine to extend its life. It will also help sustain turbine speeds between shifts by reducing surge loading. Between the throttle plate and the turbocharger compressor, it should be installed.

Tips

  • To remove dirt and other power-robbing pollutants from your BOV, clean it every six months. A dirty BOV not only sounds unpleasant, but it can also damage the turbocharger over time.
  • Because you’ll have to remove the BOV to clean it, you might want to snap a picture before you remove it to be sure you put everything back where it belongs. When releasing the bolts, be careful not to shatter or damage the brittle fittings.
  • Remember to look for evidence of corrosion, scarring, and wear on the BOV unit. Before reassembling the BOV, lubricate the metal parts with a non-viscous lubricant and clean them out with pressured air.

 

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