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

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 - Wrinkle BlackSKU: SP1208WB UPC: 843115029753 Injen 18 21 Subaru WRX STI H4 2. 5L Turbo SP Aluminum Series Cold Air Intake Wrinkle Black The Injen SP1208WB SP Series cold air intake system delivers dyno proven power gains for 2018 2021 Subaru WRX STI models with H4 2. 5L turbo engines. This aluminum intake replaces the restrictive factory airbox to feed cooler, denser air into the engine for sharper throttle response and increased horsepower and torque. Engineered
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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4.8 ★★★★★
Based on 1753 reviews
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A
Verified Purchase
Amazon Customer
Carnegie, US
★★★★★ 5
perfect fit for 2025 Honda CRV Hybrid 2.0 engine
Size: 8.26" x 5.63" x 2.24"
Appears to be a well made air filter
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
D
Verified Purchase
David h
Chelsea, US
★★★★★ 5
Good filter
Size: 14.7" x 7.99" x 1.26"
Fits well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
A
Verified Purchase
Amazon Customer
Carnegie, US
★★★★★ 5
Just what I needed
Size: 8.26" x 5.63" x 2.24"
Great value and great quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
R
Verified Purchase
Robin Babcock
West Palm Beach, US
★★★★★ 5
Perfect fit
Size: 8.26" x 5.63" x 2.24"
A little difficult to access but the University of YouTube helped with that. Filter fit perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
R
Verified Purchase
R D K
Pawtucket, US
★★★★★ 4
Easy replacement
Size: 8.26" x 5.63" x 2.24"
Reasonable price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 8, 2025

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