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This Injen air intake system, manufacturer part number SP1977BLK, is built for the verified vehicle applications below. Confirm the engine, transmission, body style, emissions requirements, and every application note for the exact part number before ordering.
Key Features
- 3.5-inch Mandrel-Bent Aluminum Tube: TIG-welded black powder-coated aluminum tubing provides lightweight strength and corrosion resistance with seamless bends.
- Patented MegaRam (MR) Technology: Patented intake runner design (US Patents 7,359,795 & 7,669,571) smooths airflow and increases velocity for power gains across RPM range.
- Air Fusion Technology: Integrates clean stable air box with open-element design (US Patent 7,721,669) to reduce turbulence and heat soak.
- Integrated Heat Shield: Black powder-coated shield blocks underhood heat to maintain cooler denser intake air temperatures.
- Bolt-on design installs in under 90 minutes with basic hand tools.
- Includes all necessary silicone couplers, clamps and hardware for complete fit.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2007-2012 | Nissan | Altima | Confirm engine, transmission, body style, emissions status, and application notes |
| 2021 | Toyota | Tundra | Confirm engine, transmission, body style, emissions status, and application notes |
Specifications
| Brand | Injen |
|---|---|
| Manufacturer Part Number | SP1977BLK |
| Product Type | Cold Air Intakes |
| Fitment Type | Vehicle Specific |
| Finish | Black |
| Condition | New |
| Emissions Reference | Compliant |
What's Included
One new Injen air intake system package identified by manufacturer part number SP1977BLK, in the exact configuration and quantity stated by the title. Additional filters, adapters, pipes, clamps, hardware, wiring, and service supplies are included only when expressly listed.
About Injen
Injen Technology develops air intake systems, filters, charge piping, intercoolers, exhaust products, and electronic performance controls for street, truck, and motorsport applications.
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Frequently Asked Questions
Will this intake fit my exact vehicle?
Match the year, make, model, engine, transmission, and every application note to the exact part number before ordering.
Does this intake require tuning?
Many Injen intake systems are designed for the factory calibration, but requirements vary. Check the current instructions and emissions information for this exact part number.
Which filter comes with this intake?
Filter media and color vary by part number. Confirm the title, specifications, and package contents for the exact configuration shown.
Installation Instructions
Review the current Injen instructions for part number SP1977BLK. Allow the vehicle to cool, disconnect the battery when electrical work is involved, protect sensors and sealing surfaces, verify every clamp and fastener, check clearance through the full range of motion, and inspect the completed installation before operation.
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