SKU: SP1946P | UPC: 843115007256
Injen 2004-2008 Nissan Maxima V6 3.5L Polished Cold Air Intake SP1946P
Upgrade your 2004-2008 Nissan Maxima 3.5L V6 with the Injen SP1946P polished cold air intake designed to deliver more air and power. This system replaces restrictive factory intake for smoother airflow and noticeable throttle response gains. Engineered for SE and SL models it adds horsepower across the RPM range through proven tuning methods.
Key Features
- MegaRam Technology: Patented design (US Patents 7,359,795 and 7,669,571) ramps up air velocity and volume for strong power from low to high RPM
- Air Fusion Technology: Patent 7,721,669 integrates filter housing into intake pipe minimizing turbulence for efficient unrestricted breathing
- Polished 6061-T6 Aluminum: Mandrel-bent tubing resists heat provides durable construction and eye-catching shine under the hood
- SuperNano Synthetic Filter: High-flow reusable media captures contaminants without cotton fibers easy to clean for long-term performance
- Tuned SP Series Design: Dyno-proven system first tuned intake globally with four patents ensures precise fit and real-world gains
Product Notes
- Direct bolt-on replacement uses stock mounting points no modifications needed
- Pre-oiled filter ready for immediate use wash and re-oil during service
- Ships in protective custom box handles standard ground freight
Installation Notes
- Professional installation recommended.
- Complete in 60-90 minutes with basic hand tools no wiring or ECU tuning required
- Includes all necessary silicone couplers clamps and hardware for secure fit
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2008 | Nissan | Maxima | SE |
| 2004-2008 | Nissan | Maxima | SL |
Why Choose Injen?
- World leader in patented intake technology with four exclusive tuning process patents
- Flagship SP series built for performance enthusiasts demanding reliable gains
- Precision engineering from CAD design to dyno testing ensures perfect vehicle match
Frequently Asked Questions
- Q: Will this fit my 2004-2008 Nissan Maxima SE or SL?
A: Yes SP1946P fits all 2004-2008 Maxima models with VQ35DE 3.5L V6 engine SE and SL trims confirmed by Injen fitment guide - Q: What materials are used in construction?
A: Features mandrel-bent 6061-T6 aluminum pipes polished finish titanium-reinforced filter and heat-resistant silicone components - Q: What warranty coverage applies?
A: Lifetime warranty on intake tubing lifetime on filter media covers defects in materials and workmanship
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Secure custom box dimensions 26in x 14in x 12in
- Weight: 9.8 lbs product 11 lbs shipping





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