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Injen 99-00 Honda Civic Si Black Cold Air Intake
Injen 99-00 Honda Civic Si Black Cold Air Intake
Injen 99-00 Honda Civic Si Black Cold Air Intake
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Injen 99-00 Honda Civic Si Black Cold Air Intake

Marsoni M251S
Sale price$187.22
Pay 4 payments of $46.80 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Injen 99-00 Honda Civic Si Black Cold Air IntakeAdd some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent considerable amounts of time designing, testing, and perfecting this CAI to produce some serious bolt on power while also providing amazing engine bay aesthetics. In addition to the impressive power increase, the Injen team has ensured that safe Air fuel (A F) ratios are maintained throughout the
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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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 300 reviews
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Product Reviews
T
Verified Purchase
Tom Baldwin
Grantham, US
★★★★★ 2
Only about 1.75 inches thick, and hard as a rock.
Size: 2.7"H (Standard)
This is nowhere near the 2.7 inches advertised. After waiting 4 days for it to expand, it never got higher than 1.75 inches from bottom to the highest point. Also, I'm not sure what kind of Talalay they claim to use; this was hard as a rock.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 28, 2025
R
Verified Purchase
Roz
Port Orchard, US
★★★★★ 5
Wonderful
Size: King (Pack of 1)
This pillow is amazing! If you want a good nights sleep, give this pillow a try!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
C
Verified Purchase
C Oregon
Whiting, US
★★★★★ 5
Great Pillow!
Size: King (Pack of 1)
Excellent product. I have been searching for a pillow that wasn't too soft or too hard and supported my neck. I now wake up without a stiff neck and a headache. Wonderful!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026
L
Verified Purchase
Lcm
Cuba, US
★★★★★ 4
Comfortable
Size: King (Pack of 1)
An adjustable pillow
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 12, 2024
A
Verified Purchase
Anna Revels
Phoenix, US
★★★★★ 5
Pillow
Size: King (Pack of 1)
Love it! Great support.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026

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