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Injen 06-09 Civic Si 2.0L 4Cyl. Coupe & Sedan Polished Short Ram Intake Injen INJSP1577P
Injen 06-09 Civic Si 2.0L 4Cyl. Coupe & Sedan Polished Short Ram Intake Injen INJSP1577P
Injen 06-09 Civic Si 2.0L 4Cyl. Coupe & Sedan Polished Short Ram Intake Injen INJSP1577P
Injen 06-09 Civic Si 2.0L 4Cyl. Coupe & Sedan Polished Short Ram Intake Injen INJSP1577P
Injen 06-09 Civic Si 2.0L 4Cyl. Coupe & Sedan Polished Short Ram Intake Injen INJSP1577P
Injen 06-09 Civic Si 2.0L 4Cyl. Coupe & Sedan Polished Short Ram Intake Injen INJSP1577P
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Injen 06-09 Civic Si 2.0L 4Cyl. Coupe & Sedan Polished Short Ram Intake

Injen
INJSP1577P
843115007119
Cold Air Intakes
8 Units In Stock - Ships Next Business Day
$ 384.18 $ 343.74
FREE Ground Shipping!
$ 343.74

SKU: SP1577P | UPC: 843115007119

Injen 2006-2011 Civic Si 2.0L Coupe & Sedan Polished Short Ram Intake SP1577P

The Injen SP1577P polished short ram intake system delivers more airflow to the 2.0L engine in 2006-2011 Honda Civic Si coupes and sedans for added horsepower and torque. This SP Series intake uses patented tuning to improve throttle response and engine sound while maintaining stock-like reliability. Gain up to 9 HP at 5700 RPM with this direct bolt-on upgrade from Injen Technology.

Key Features

  • MegaRam Technology (Patents 7,359,795 & 7,669,571): Patented intake tube design expands air volume and velocity for denser air charge and power gains across the RPM range
  • Air Fusion Technology (Patent 7,721,669): Seamlessly blends filtered stable air with high-velocity intake air to reduce turbulence and boost efficiency
  • SuperNano Dyno-Tune Filter (X-1014): High-flow cotton gauze filter provides maximum filtration, reusability, and easy oiling for long-term performance
  • TIG-Welded Polished Aluminum Pipe: 3-inch mandrel-bent tube offers durability, corrosion resistance, and a show-quality finish under the hood
  • Complete Bolt-On Kit: Includes all necessary hardware, couplers, and clamps for straightforward installation without engine modifications

Product Notes

  • Designed as 50-state legal with EPA compliance for worry-free use
  • Filter is fully washable and reusable with Injen cleaning kits
  • Standard ground shipping applies with tracking provided

Installation Notes

  • Professional installation recommended.
  • Bolt-on process takes 60-90 minutes using basic hand tools
  • Retains factory MAF sensor and mounting points with included brackets

This Part Fits

Year Make Model Submodel
2006-2011 Honda Civic Si
2008 Honda Civic MUGEN Si

Why Choose Injen?

  • World's first tuned air intake system with four intake tuning patents
  • Proven dyno-tested gains and real-world performance leadership
  • Precision engineering from TIG-welded construction to airflow optimization

Frequently Asked Questions

  • Q: Will SP1577P fit 2010-2011 Honda Civic Si models?
    A: Yes, it provides direct bolt-on fitment for all 2006-2011 Civic Si coupes (FG2/FG3) and sedans (FA5) with 2.0L K20Z3 engine
  • Q: What materials are used in the SP1577P intake?
    A: Features a polished TIG-welded 6061-T6 aluminum intake tube paired with a high-flow oiled cotton gauze filter for strength and filtration
  • Q: What warranty covers this Injen intake?
    A: Lifetime limited warranty on the intake tube structure and one-year warranty on the filter element against manufacturing defects

Shipping & Handling

  • Method: Standard ground shipping
  • Availability: In stock - ships same or next business day
  • Packaging: Secure box measuring 24 x 12 x 12 inches
  • Weight: 8.2 lbs shipping weight

Request For Information

Have questions about Injen 06-09 Civic Si 2.0L 4Cyl. Coupe & Sedan Polished Short Ram Intake? Fill out the form below and we'll get back to you by the next business day.
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