Click to zoom in
SKU: SP1578P | UPC: 843115007133
Injen 2006-2011 Honda Civic Si Coupe & Sedan Polished Cold Air Intake
The Injen SP1578P polished cold air intake system delivers more air to your 2006-2011 Honda Civic Si engine for noticeable gains in horsepower and torque. This flagship SP series intake fits Civic Si Coupe and Sedan models including the 2008 MUGEN Si providing deeper breathing for enhanced throttle response and acceleration. Engineered with patented tuning Injen sets the standard in performance air intakes.
Key Features
- MegaRam Technology (Patents 7,359,795 & 7,669,571): Increases air velocity through precision-tuned intake tube for optimal power across RPM range.
- Air Fusion Technology (Patent 7,721,669): Seamless integration of filter and intake tube captures colder denser air for efficiency gains.
- Polished 6061-T6 Aluminum Construction: Mandrel-bent 3-inch tubing with mirror polish finish resists corrosion and heat while improving airflow.
- SuperNano Cotton Filter: Oversized tapered design traps contaminants allowing maximum airflow washable and reusable for long-term performance.
- Fully Enclosed Airbox: Shields incoming air from engine bay heat sources ensuring consistent cold air delivery dyno-proven gains up to 12 HP.
Product Notes
- Easy bolt-on installation uses factory mounting points no cutting or permanent modifications required.
- Oil-free filter media prevents contamination of mass air flow sensor.
- Ships fully assembled ready for immediate install standard ground shipping available.
Installation Notes
- Professional installation recommended.
- Remove stock airbox and intake tube reinstall with provided silicone couplers and clamps.
- Compatible with all stock hardware includes stainless steel clamps and hardware kit.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2011 | Honda | Civic | Si |
| 2008 | Honda | Civic | MUGEN Si |
Why Choose Injen?
- Injen Technology pioneered the world's first tuned air intake system holding four patents on intake tuning.
- SP series leads with innovations like MegaRam and Air Fusion for real-world power gains.
- Backed by rigorous dyno testing and over 20 years in performance aftermarket engineering.
Frequently Asked Questions
-
Q: Does this fit 2006-2011 Honda Civic Si Coupe and Sedan?
A: Yes SP1578P bolts directly onto all 2006-2011 Civic Si models including Coupe Sedan and 2008 MUGEN Si with 2.0L R18 engine no modifications needed. -
Q: What material is the intake made from?
A: Mandrel-bent 6061-T6 aluminum tubing with polished finish paired with a SuperNano cotton filter for durability and high airflow. -
Q: What is the warranty and install time?
A: Lifetime warranty on tubing one year on filter typical DIY install takes 60-90 minutes with basic hand tools.
Shipping & Handling
- Method: Standard ground UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed 22.5 x 13 x 9.5 inches
- Weight: 7.85 lbs
Air Intake Systems
Air Intake Systems, Cold Air Intakes & Performance Intake Parts Shop premium air intake systems, cold air intakes, short ram intakes, air boxes, intake components, intake elbows, mass air flow sensors, scoops, snorkels, recharge kits, silicone couplers, and intake hoses at Black Ops Auto Works. This collection is built for enthusiasts looking to improve airflow, throttle response, induction sound, horsepower potential, and under-hood performance across cars, trucks, SUVs, Jeeps, muscle cars, off-road builds, and supercharged HEMI platforms. Whether you are upgrading a daily driver, Dodge Charger, Dodge Challenger, Dodge Durango, Jeep Grand Cherokee, Jeep Trackhawk, Ram TRX, Ram RHO, Toyota Tundra, Chevy Silverado, Chevrolet Camaro, Corvette, BMW, Cadillac CTS-V, Honda, Hyundai, Infiniti, or a custom performance build, our Air Intake Systems collection includes parts designed for fitment, durability, and real-world performance. Air Intake Systems from Top Brands Shop trusted air ...
View Air Intake Systems Products
Cold Air Intakes
Shop All Air Intakes & Performance Intake Kits Premium cold air intakes, performance air intake systems, short ram intakes, carbon fiber intakes, sealed air box intakes, HEMI intakes, Hellcat intakes, Trackhawk intakes, TRX intakes, and vehicle-specific intake upgrades. This collection is built for enthusiasts looking to improve airflow, throttle response, induction sound, horsepower potential, and under-hood styling across street cars, muscle cars, trucks, SUVs, Jeeps, off-road builds, and diesel applications. Cold Air Intakes from Top Brands Shop trusted cold air intake brands including Legmaker Intakes, aFe Power, JLT Performance, K&N Engineering, Airaid, Corsa Performance, Injen Technology, Spectre Performance, and Wehrli Custom Fabrication. These brands produce cold air intakes, short ram intakes, carbon fiber intake systems, sealed intake kits, performance air filters, intake tubes, and vehicle-specific air intake upgrades for domestic, import, truck, Jeep, SUV, diesel...
View Cold Air Intakes Products
Injen
At Black Ops Auto Works, we stock the complete lineup of Injen performance air intakes and exhaust systems dyno-proven for maximum horsepower, torque gains, and throttle response with a signature deep intake tone. Explore top-selling Injen Evolution sealed cold air intakes, SP Series polished intakes, SuperNano-Web dry filters, and cat-back exhausts featuring mandrel-bent tubing and high-flow mufflers for trucks, SUVs, muscle cars, and imports all CARB-approved where applicable with lifetime warranties. Injen Intake for Jeep Grand Cherokee – HEMI Power Unleashed Grand Cherokee owners choose the Injen Power-Flow cold air intake for increased airflow, cooler charge temps, and an aggressive engine sound on 5.7L V8 builds. Aluminum intake tube with massive filter Dyno-proven gains and improved throttle response Easy bolt-on with no tuning required Shop Popular Injen Intake for Jeep Grand Cherokee Injen Intake for Dodge Durango – V8 Muscle Upgrade Dodge Durango drivers upgrade to Inje...
View Injen Products