Injen 99-00 Mazda Protege L4 1.8L Black RD Cold Air Intake

Injen 99-00 Mazda Protege L4 1.8L Black RD Cold Air Intake

Marsoni

M251S

$180.97

Get it in 3 business days with 1 day shipping. Friday, May 29

Injen 99-00 Mazda Protege L4 1.8L Black RD 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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The looks are very nice, functional if left alone once assembled. After that I would leave them alone otherwise you risk the main male portion just coming loose of the housing, sound quality is decent, nothing to write home about, but again, not very durable. If they could fix that 1 thing, these would be very good buy and value, the rest of each plug is hefty and well made.

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Reviewed in the United States on January 12, 2026

Verified Purchase

Amazon Customer

Carnegie, US

★★★★★ 5

Fixed my over temp warning issue.

Easy to change and work like new. No more over temp warning at idle.

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Reviewed in the United States on June 9, 2025

Verified Purchase

Michael Rhodes