Spool Performance AMG Vent-to-Atmosphere BOV Blow-Off Valve Adapters
AMG Vent-to-Atmosphere Blow-Off Valve Adapters
AMG cars already sound great—but like most modern turbo setups, the system recirculates excess boost pressure back into the intake. That means you’re not really hearing what the turbos are doing when you lift off the throttle.
These adapters change that behavior.
Instead of routing the pressure back in, they vent it to atmosphere. So when you lift, you get that sharp, noticeable turbo dump instead of it being muted through the system.
It’s not subtle—but that’s the point.
It doesn’t make the car faster. It doesn’t change performance. It just makes the car more engaging to drive because you can actually hear and feel what’s happening.
On convertible models, it’s even more noticeable. With the top down, the sound is more present and adds a lot to the overall driving experience.
What to Expect
- Noticeable turbo discharge sound when lifting off throttle
- No change in power or performance
- Simple install, no tuning required
- More pronounced on convertible models
It’s one of those small changes that makes you want to stay in the car longer, take the long way home, and actually enjoy every shift and throttle input.
For how simple and affordable it is, it adds a surprising amount of enjoyment to the overall experience.
Fitment
Compatible with Mercedes-AMG vehicles equipped with the M177 / M178 4.0L Biturbo V8:
C-Class AMG
- C63 / C63 S Sedan (W205) — 2015–2021
- C63 / C63 S Coupe (C205) — 2017–2021
- C63 / C63 S Cabriolet (A205) — 2017–2021
E-Class AMG
- E63 S Sedan (W213) — 2018–2023
- E63 S Wagon (S213) — 2018–2023
GLC AMG
- GLC63 / GLC63 S SUV (X253) — 2018–2023
- GLC63 / GLC63 S Coupe (C253) — 2018–2023
GLE AMG
- GLE63 S SUV (W167) — 2021–Present
- GLE63 S Coupe (C167) — 2021–Present
GLS AMG
- GLS63 SUV (X167) — 2021–Present
GT 4-Door AMG
- GT63 / GT63 S (X290) — 2019–Present
- GT63 S E Performance (X290) — 2023–Present
AMG GT
- GT / GT S (C190) — 2016–2021
- GT C / GT C Roadster (C190 / R190) — 2018–2021
- GT R / GT R Roadster (C190 / R190) — 2018–2021
- GT Black Series (C190) — 2021
SL AMG
- SL63 (R232) — 2022–Present
G-Class AMG
- G63 (W463) — 2019–Present
Ships within 1-2 business days.
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Spool Performance AMG Vent-to-Atmosphere BOV Blow-Off Valve Adapters
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.