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Injen SP Series Black Cold Air Intake for 2006-2011 Honda Civic Si (SP1578BLK)

$449.47

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Injen SP Series Black Cold Air Intake for 2006-2011 Honda Civic Si (SP1578BLK)

$449.47

$449.47

Fits 2006-2011 Honda Civic Si and 2008 Honda Civic MUGEN Si.

Unlock your engine's potential with the Injen SP Series Cold Air Intake. As the flagship of Injen's aluminum intake lineup, this system replaces the restrictive factory airbox with mandrel-bent 6061-T6 aluminum tubing, providing a smooth, high-velocity path for cold air. Utilizing patented MegaRam (MR) and Air Fusion technologies, Injen engineers have tuned this intake to deliver documented power gains while maintaining safe air-fuel ratios without the need for additional aftermarket tuning.

This kit features a SuperNano-Web dry air filter, which provides high-efficiency filtration and increased surface area for maximum flow. Proudly manufactured in Pomona, California, the SP1578BLK is finished in a durable black powder coat and is CARB-exempt, making it a street-legal performance upgrade.

  • Manufacturer Part Number: SP1578BLK
  • Performance Gains: Dyno-proven increases of up to 11 HP and 12 lb-ft of torque
  • Material: Mandrel-bent 6061-T6 aluminum construction
  • Filter Type: Serviceable SuperNano-Web dry air filter (Replacement: X-1014-BB)
  • CARB EO Number: D-476-8 (Street Legal)
  • Patented Technology: MegaRam (MR) and Air Fusion tuning
  • Manufacturing: Made in Pomona, California, USA
  • Warranty: Injen Technology Limited Lifetime Warranty
📘 Guides & Manuals
🔧 Fitment & Compatibility
Year Make Model Submodel
2008 Honda Civic MUGEN Si
2006-2011 Honda Civic Si

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