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Injen 18-21 Subaru WRX STI H4 2.5L Turbo SP Aluminum Series Cold Air Intake - Polished

Marsoni M251S
Sale price$184.55
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Injen 18-21 Subaru WRX STI H4 2.5L Turbo SP Aluminum Series Cold Air Intake - PolishedSKU: SP1208P UPC: 843115029739 Injen 18 21 Subaru WRX STI H4 2. 5L Turbo SP Aluminum Series Cold Air Intake Polished Transform airflow in your 2018 2021 Subaru WRX STI with the Injen SP1208P SP Aluminum Series Cold Air Intake in polished finish. Engineered for the H4 2. 5L Turbo, it replaces stock airbox for dyno proven gains of 12 HP and 13 lb ft torque. Hear the aggressive throaty tone while enjoying reliable filtration and power delivery. Key
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 607 reviews
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K
Verified Purchase
KimberlyK
Houston, US
★★★★★ 5
Very good quality.
Color: Black, Size: Small
So nice to have for keeping my stuff organized. Easier to keep track of my remotes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
T
Verified Purchase
The Movieman
Bozeman, US
★★★★★ 5
Simple but does the job
Color: Black, Size: Small
Simple and does the job. Sturdy as well to hold my remotes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
S
Verified Purchase
Sweets
Charlottesville, US
★★★★★ 5
Great product
Color: Green
Fits the remote perfectly and has a good tactile feel to it. The green color makes it easy to see where you set it down. It's a good value for the money.
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Reviewed in the United States on April 21, 2026
J
Verified Purchase
Juango
Boise, US
★★★★★ 5
A Durable and Convenient Protection Solution
Color: Green Orange
One of the most impressive attributes of these cases is their lightweight yet durable construction. The material feels robust and dependable, shielding my device from scratches, minor impacts, and everyday wear and tear. Despite this durability, the cases remain slim and non-bulky, preserving the device's original profile—a feature I deeply appreciate for maintaining portability and elegance. Another commendable aspect is the precise fit of the cases. Each case snugly wraps around the device, ensuring a secure grip and seamless alignment with buttons, ports, and camera cutouts. This level of precision adds to the ease of use and demonstrates a high attention to detail in the manufacturing process. Additionally, having two cases in one pack offers excellent value. It allows you to switch between them as needed or have a backup readily available. This small yet thoughtful feature adds a layer of convenience that sets this product apart from other single-case offerings.
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Reviewed in the United States on March 9, 2025
F
Verified Purchase
Foothill Woman
Grantham, US
★★★★★ 5
Fits great
Color: Green
After my grandson keep bee lining for the remote, dropped it, which made a teeny chip in it-I decided to try a cover! This is really nice. It fits great. It has a nice grippy feel to it and now it's protected. We bought the lime green one, so now we can find it a lot easier as well as having it looking pretty sleek. It a great cover.
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Reviewed in the United States on October 19, 2025

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