Kia Stinger blow off valve installed turbo engine bay 3.3T performance setup

Kia Stinger BOV installed turbo engine bay revving blow off valve performance upgrade

Kia Stinger BOV kit components hoses fittings adapters turbo upgrade parts

Kia Stinger 3.3T dual blow off valve setup twin turbo performance upgrade

ADD W1 Blow Off Valve - Direct bolt on Kit for Kia Stinger 2018-up

Kia Stinger 2.0T blow off valve single BOV turbo upgrade performance part

Kia Stinger BOV close-up aluminum blow off valve turbo performance part

5.0

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Patented (US D1,028,015 S)

Upgrade your Kia Stinger (2018–2023) with the ADD W1 Direct Bolt-On Blow Off Valve Kit, engineered to improve turbo performance, throttle response, and deliver an aggressive blow-off sound.

This direct bolt-on kit replaces the factory OEM diverter valve system and installs with no cutting, welding, or modifications required — perfect for maintaining factory specifications while upgrading performance.

The ADD W1 BOV is CNC-machined from high-quality aluminum for durability and precision. It is designed to work with both stock and tuned engines, making it ideal for daily driving or high-performance builds.

Key Benefits:

Improves throttle response and turbo efficiency
Releases excess boost pressure to protect turbo system
Prevents compressor surge and reduces turbo lag
Extends turbocharger and intercooler lifespan
Direct bolt-on installation (no modification required)

Performance Function:

When running higher boost levels, pressure builds up in the intake system. The blow off valve releases excess compressed air when the throttle is closed, preventing compressor surge and protecting turbo components from damage.

Vehicle Fitment:
• 2018–2023 Kia Stinger 3.3T (Includes dual ADD W1 BOVs + adapters)
• 2018–2023 Kia Stinger 2.0T (Includes single ADD W1 BOV + adapter)

Includes:
• Vehicle-specific adapter / flange
• Hoses, fittings, bolts, O-ring seal, C-clip
• Complete installation hardware

Additional Fitment:
Fits Kia Stinger GT, GT1, GT2, and 2.0T turbocharged models (2018–2023).

Blow Off Valve vs. Blow Off Valve Pro

The main difference between the Blow off Valve Stander and the Blow off Valve Pro is that the Stander is designed for use with a smaller engine, while the Pro is designed for use with a larger engine.

The standard is the more Affordable of the two. The pro is more durable to handle higher boost and an aftermarket tuned engine with more powerful sound, better response even at a low boost.

Blow Off valve Pro will provide a powerful response even at low boost situations and produce a much more powerful sound than a Stander blow off valve.

Which one should I get?

Blow Off Valve Stander and Blow Off Valve Pro are both high-quality aluminum die-cast bodies with Blow Off valves that use CNC machining to optimize clearance and bring responsiveness.

However, the great benefit of choosing the Blow Off Valve Pro model is its ability to produce a louder and sharper open sound, which is particularly advantageous for a high performance engine. The sound it has is more powerful and generates better response even at a low boost, making it an excellent choice for those who want to make a statement with their vehicle.

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5.0

Rated 5.0 out of 5 stars

Based on 7 reviews

Total 5 star reviews: 7 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0

100%would recommend this product

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7 reviews

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IV
Isaac V.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
Yesterday
Awesome
Amazing quality and easy to install.
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ADD W1
23 seconds ago
Thank you for your review!

We're thrilled to hear you're enjoying your ADD W1 Direct Bolt-On Blow Off Valve Kit for the 2018+ Kia Stinger. It's great to know you found the kit to be of amazing quality and easy to install.

Our Blow Off Valve Kit is engineered for a true direct bolt-on installation while delivering crisp turbo response, the signature BOV sound, and reliable performance without requiring permanent modifications.

If you'd like, feel free to share a few photos or a video of your installation. We'd love to see your setup, and your build may even be featured on our website or social media!

Thank you for choosing ADD W1, and we truly appreciate your support!
E
electroman
I recommend this product
Rated 5 out of 5 stars
2 months ago
5 Stars
Great look,great quality and sound awesome. 2018 stinger gt2!
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SC
Shawn C.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
2 months ago
Great communication
Bought many products from this company. And anytime I had comments, questions, or concerns, they were always very informative and kind.
Highly recommend them and will continue buying from them!
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O
Omarion
I recommend this product
Rated 5 out of 5 stars
1 year ago
5 Stars
Love the red!!
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R
Ramon
I recommend this product
Rated 5 out of 5 stars
2 years ago
5 Stars
I opted for the pro and it's loud. Now you know my car is turbocharged!
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ADD W1 Blow Off Valve - Direct bolt on Kit for Kia Stinger 2018-up

Patented (US D1,028,015 S)

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