Click to zoom in
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
Air Intake Systems
Air intake systems for Hellcat, Trackhawk, TRX, HEMI, and import performance platforms are stocked at Black Ops Auto Works. Shop cold air intakes, short ram intakes, air boxes, intake elbows, mass air flow sensors, scoops, snorkels, and silicone couplers for street cars, trucks, Jeeps, and supercharged Mopar builds. Every intake system is filterable by vehicle platform, engine, and intake style so the correct part ships the first time. Black Ops Auto Works carries 4,427 air intake SKUs across cold air intakes, short ram intakes, and supporting components. What This Category Covers An air intake system pulls outside air into the engine and filters it before combustion. Upgrading the factory intake with a cold air intake, short ram intake, or carbon fiber system can improve airflow, throttle response, induction sound, and horsepower potential on compatible applications. Cold Air Intakes vs Short Ram Intakes Cold air intakes route the filter away from engine bay heat for cooler, de...
View Air Intake Systems Products
Cold Air Intakes
Shop cold air intakes, short ram intakes, closed-airbox intake systems, replacement air filters, intake tubes, and MAF housings from K&N, AEM, aFe Power, Airaid, S&B Filters, Injen, Roush, Volant, Corsa, Mishimoto, HPS Performance, Cobb Tuning, JLT, Vararam, Steeda, and other performance intake brands. Find full open-element cold air intakes, sealed-airbox systems, dry and oiled air filters, replacement drop-in filter panels, MAF sensor housings, and complete intake tube kits. Cold air intakes for domestic muscle, sport-compact tuners, diesel trucks, off-road 4x4, Euro performance, and modern sport SUVs Mustang, Camaro, Challenger, Charger, F-150, Silverado, Ram, Tundra, Tacoma, 4Runner, Wrangler, Bronco, Cummins, Duramax, Power Stroke, WRX/STi, Civic Type R, GR86, Supra, GR Corolla, BMW M2/M3/M4, Golf R, and hundreds of additional platforms. Filter by vehicle, intake style (open element, closed airbox, short ram, tube kit), filter media (oiled cotton, dry synthetic), tun...
View Cold Air Intakes Products
Injen
Injen air intake systems for cars, trucks, and SUVs are stocked at Black Ops Auto Works. Shop Injen Evolution sealed cold air intakes, Power-Flow intakes, SP Series polished short-ram intakes, SuperNano-Web dry filters, intercooler piping kits, and cat-back exhaust systems for Ford F-150 and Expedition, Dodge Charger and Challenger HEMI, RAM 1500, Chevrolet Camaro, Jeep Grand Cherokee, Toyota Tacoma, and turbocharged import platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 960 Injen SKUs across cold air intake, short-ram intake, filter, and exhaust categories. What This Brand Covers Injen built its reputation on dyno-proven intake systems that improve airflow, lower intake charge temperature, and deliver a signature deep intake tone. The lineup spans sealed cold air intakes, short-ram intakes, and a smaller line of cat-back exhaust systems for select platforms. Core Pro...
View Injen Products