Many turbocharged cars lack a powerful sound when shifting. That can be changed with a blow off valve (BOV) that takes the load off the turbo when you are decelerating to create a smooth hissing sound.

we’ve put together a collection of the best Blow Off Valves that are currently available on the market. To help you find the perfect Blow Off Valve among a wide variety of options, we constantly update our collection with new and trending models.

10 Best Blow Off Valves

Based on dozens of customer reviews and ratings, the followings are the top 10 best-selling Blow Off Valves:

Top Rated Blow Off Valve Reviews

Since we’ve mentioned 10 different models of Blow Off Valves on the above list, it may be difficult for you to find the right one for your needs. This is why we listed the key features of each of these Blow Off Valves below:


Product Highlights:

  • Universal blow off valve BOV includes adapted floating valve design that is adjustable using a revised funnel outlet
  • This adjustable blow off valve BOV engages with this new generation surge tank allowing for the best turbo blow off valve sounds attainable.
  • Shankly’s blow off valve adapter prevents compression surge and is properly responsive to the turbocharged engine for a higher and better performance.
  • Blowoff valve’s can prevent damage and can contribute to the preservation of your engines turbo mechanics.
  • The recirculated blow-off valve will recirculate the air back in the system leaving your car’s exhaust and other engine mechanics in pristine condition over time.

Product Highlights:

  • Part Number: BOV-SML

Product Highlights:

  • Package Dimensions: 13.462 cms (L) x 8.636 cms (W) x 8.382 cms (H)
  • Product Type: Valve
  • Package Quantity: 1
  • Country Of Origin: Australia

Product Highlights:

  • Made from Aluminum,This valve is suitable for: Vehicles with a 25mm connection ,Vehicles with an airflow meter
  • Increases reliability of other induction components including Turbocharger
  • Accessories: Flanges, bolts and gaskets are included
  • Suitable for wide range of Turbo’d vehicles including: Ford, Volkswagen, Vauxhall, Skoda, Audi, Seat & Renault etc.
  • Dumps directly into the atmosphere creating a desirable woos sound.

Product Highlights:

  • Model specific dual port valve
  • Four blow off valves in one
  • Stronger, more durable and adjustable
  • Applicable for Subaru WRX MY01-MY07, STi MY01-08, Forester 05-07
  • Supplied with blanking plug and gasket

Product Highlights:

  • Genuine RKX hybrid style diverter valve / blow off valve
  • The RKX hybrid splitter diverter valve is compatible with all turbocharged and supercharged applications that can accept a 24mm port
  • The valve has an aluminum piston for fast response and high boost pressure durability. The RKX Valve is fully rebuildable and tunable. This is a must have upgrade for stock or heavily modified engines.
  • This is a hybrid BOV / recirculation valve that has been designed to work with engines that have have metered air flow systems (Mass air flow sensor, MAF). Where a traditional BOV would cause drivability problems and or a check engine light. The included recirculation mode cap allows you to run the valve in full recirculation mode or full blow off mode.
  • The RKX diverter valve is fully adjustable by turning the top to set the spring preload. The valve can be use in applications ranging from 8 – 28 PSI

Product Highlights:

Product Highlights:

  • HKS SSQV IV Blow Off Valve BOV with Billet Adapter Compatible with 2018-19 Kia Stinger 2.0T
  • HKS SSQV IV Blow off Valve
  • Torque Solution HKS BOV Adapter for the Kia Stinger
  • Convenient combo kit! Direct plug and play!

Product Highlights:

  • Made of High Quality T-6061 Lightweight Aluminum
  • Fits Type-S or Type-RS Dump Pipe Flange
  • Pipe Size: 2. 5″
  • Construction Prevents Warping due to High Heat

Product Highlights:

  • Package Dimensions: 8.89 cms (L) x 9.144 cms (W) x 13.208 cms (H)
  • Product Type: Valve
  • Package Quantity: 1
  • Country Of Origin: Australia

Video Overview

What Does a Blow Off Valve Do?

In this video we talk about the basics of how a blow off and diverter valves work. We talk about what the blow off valve (BOV) and Diverter Valve (DV) do, their …

Final Words

So, these are all of the Best Blow Off Valves available on the market. We hope this collection was helpful to find the right Blow Off Valve for the money. However, we recommend checking out the features, benefits, and problems of each of these Blow Off Valves before taking your decision.