

Spool Performance McLaren Vent-to-Atmosphere BOV Blow-Off Valve Adapters
From the factory, McLarens are pretty quiet for what they are. The turbos are doing a lot, but most of the sound gets recirculated back into the intake, so you barely hear anything.
These adapters just change that behavior.
Instead of routing the pressure back in, they vent it to atmosphere. So when you lift off the throttle, you get that noticeable turbo dump sound instead of nothing.
It’s not subtle—but that’s kind of the point.
It doesn’t make the car faster. It doesn’t change performance. All it does is make the car more engaging to drive because you can actually hear what’s going on.
On Spider cars, it’s a bigger difference. With the top down, the sound is a lot more noticeable, and it adds to the whole experience more than you’d expect.
What to Expect
- Noticeable turbo discharge sound when lifting off throttle
- No change in power or performance
- Simple install, no tuning required
- More noticeable on Spider models
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed

Spool Performance McLaren Vent-to-Atmosphere BOV Blow-Off Valve Adapters
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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.


