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SKU: RD1975P | UPC: 843115005870
Injen 02-06 Altima 4 Cyl. 2.5L (CARB 02-04 Only) Polished Cold Air Intake
This Injen RD Series polished cold air intake delivers easy horsepower gains to your 2002-2006 Nissan Altima 2.5L engine. Engineered for bolt-on installation it boosts performance while keeping air-fuel ratios safe across the powerband. The polished aluminum design adds striking engine bay style alongside functional power.
Key Features
- Bolt-On Horsepower Gains: Increases airflow for up to 12 HP and 11 lb-ft torque at the wheels through dyno-tested design
- Polished Aluminum Intake Tube: Mandrel-bent 6061-T6 aluminum 2.75-inch diameter tubing provides smooth airflow and show-quality finish
- Safe Air-Fuel Ratios: Patented Injen tuning maintains stock-like A/F ratios from idle to redline preventing lean conditions
- SuperNano-Web Filter: High-flow oiled cotton gauze filter with hydro-shield captures water while allowing maximum air intake
- Complete Kit: Includes intake tube filter couplings hardware and CNC-machined MAF sensor housing for direct fit
Product Notes
- CARB EO D-476-10 certified for 2002-2004 Altima models only check local emissions laws for 2005-2006
- Heat shield blocks underhood heat for cooler denser intake air
- Ships fully assembled ready for install
Installation Notes
- Professional installation recommended.
- Installs in 1.5 hours with basic hand tools no cutting or permanent modifications needed
- All hardware and silicone couplers included compatible with stock throttle body and sensors
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2004, 2006 | Nissan | Altima | Base |
| 2002-2006 | Nissan | Altima | S |
| 2002-2006 | Nissan | Altima | SE |
| 2005-2006 | Nissan | Altima | SE-R |
| 2002-2006 | Nissan | Altima | SL |
Why Choose Injen?
- Over 20 years developing intake systems for street and track
- TIG-welded construction ensures leak-free durability
- Million Mile Limited Warranty on intake tubing
Frequently Asked Questions
-
Q: Will this fit my 2005 Nissan Altima SE 2.5L?
A: Yes it fits all listed 2002-2006 Altima 2.5L models including SE but CARB certification applies only to 2002-2004 -
Q: What material is the intake tube?
A: Mandrel-bent polished 6061-T6 aluminum tubing with powder-coated heat shield for strength and corrosion resistance -
Q: What warranty comes with it?
A: Million Mile Limited Warranty on the intake tube filter covered under standard Injen terms
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Sturdy cardboard box measures 32 x 12 x 11 inches
- Weight: 9 lbs gross shipping weight 6.8 lbs net product weight
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