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Just In Grimmspeed Stealthbox Intake | 2015-2021 Subaru Sti Instant 95% Discount [dUarp96O]

$49.99 $159.99 -69%

15+ Subaru STI StealthBox Intake: Elevate Your Performance Experience the perfect blend of performance and aesthetics with GrimmSpeed's StealthBox Intake for the 15+ Subaru STI. Designed as a hybrid of the tube and filter from the 08-14 WRX intake an

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Just In Grimmspeed Stealthbox Intake | 2015-2021 Subaru Sti Instant 95% Discount [dUarp96O]

15+ Subaru STI StealthBox Intake: Elevate Your Performance

Experience the perfect blend of performance and aesthetics with GrimmSpeed's StealthBox Intake for the 15+ Subaru STI. Designed as a hybrid of the tube and filter from the 08-14 WRX intake and the Stealthbox heat shield of the 2015+ WRX intake, this product offers an exceptional upgrade to your vehicle. Known for their superior craftsmanship and high-quality materials, GrimmSpeed has crafted an intake that fits seamlessly and delivers top-notch performance.

Advanced Design and Specifications

The GrimmSpeed StealthBox Intake boasts a Hybrid Cold Air/Short Ram Design, which combines the advantages of both traditional intake designs while eliminating their drawbacks. This innovative design ensures optimal air flow and improved engine performance. The intake features an air straightener that mimics the factory configuration for accurate MAF sensor readings, ensuring seamless integration with your vehicle's existing systems. The MAF sensor is located inside the heat shield, isolated from the engine bay heat, which protects it from interference and maintains its accuracy over time.

Unmatched Performance and Convenience

The StealthBox Intake not only enhances your vehicle's performance but also adds a sleek, unique design element to your engine bay. With its StealthBox Heat Shield, you can expect a stylish appearance and improved protection against engine bay heat. The custom reusable high flow air filter is integrated with a velocity stack entrance, which smooths incoming air for better performance. Made in the USA, this intake is a testament to GrimmSpeed's commitment to quality. With a 30-minute installation time, this product is perfect for those looking to enhance their Subaru STI without a complex installation process. The StealthBox Intake is an ideal choice for performance enthusiasts seeking a high-quality, hassle-free upgrade.

What Our Customers Say

February 5, 2026

Absolutely no complaints!

A very thoughtful gift that was well-received.

- Rachel S..

February 5, 2026

Absolutely no complaints!

I’m very happy with how it handles.

- Mila T..

February 5, 2026

Absolutely no complaints!

An item that truly delivers on every promise.

- BetaTester.

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