AEM Induction 21-417C AEM Cold Air Intake
AEM Cold Air Intake (21-417C) for a 1999-2000 Honda Civic SI 1.6L L4 F/I - All. Color: Gunmetal Gray.
See partnumber notes and applications notes above for specific product information.
AEM pioneered the cold air induction system for sport compact cars in 1994.
A cold air intake system relocates the filter outside of the engine compartment to deliver cool air inlet temperatures. Cooler air carries more oxygen, which translates into a more intense explosion in the combustion chamber to create more horsepower and torque. But thats only part of the power equation. Tuning the inlet pipe in length and diameter to match the engines resonance helps move more air to the cylinders (think of your engine as a big air pump), and this tuning allows us to deliver large power gains. We also monitor fuel trim correction factors and all OBDII sensors during R&D to eliminate leaning the engine out and/or throwing a check engine light.
Every AEM cold air induction system features high standards of construction and we are so confident in their fit and performance that we guarantee them for the life of your vehicle. All AEM cold air systems include a lifetime DRYFLOW synthetic air filter and come with a limited lifetime warranty.
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