
Spectre HPR4309 – High-Performance Panel Air Filter (Washable & Reusable)
- Weight: 0.50kg
Description
Description:
The Spectre HPR4309 is a high-flow drop-in replacement air filter designed to improve airflow and boost engine performance. Featuring pre-oiled synthetic media supported by a durable steel mesh, it offers a perfect balance of filtration and flow. Ideal for select Nissan, Infiniti, and Subaru vehicles, this filter enhances acceleration and fuel efficiency without requiring modifications.
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Specifications:
Filter Type: Panel
Dimensions: 11″ (L) x 6.5″ (W) x 1.31″ (H)
Filter Media: Pre-oiled synthetic with chrome-treated mesh
Washable & Reusable: Yes – compatible with Spectre cleaning kits
Filtration Efficiency: 99.6% (per ISO 5011 standard)
Weight: Approx. 1.1 lb (0.5 kg)
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Features & Benefits:
Improves airflow for enhanced horsepower and acceleration
Reusable design reduces long-term maintenance costs
Drop-in fit – installs in the factory air box with no modifications
Durable construction resists heat and deformation
Designed to protect engine components while maximizing air intake
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Vehicle Compatibility:
The HPR4309 fits a wide range of models from Nissan, Infiniti, and Subaru, including:
Nissan Altima (1993–2018)
Nissan Maxima (2004–2022)
Nissan Murano (2003–2022)
Nissan Pathfinder (2013–2018)
Infiniti G35, G20, I30, I35 (1991–2007)
Infiniti FX35 (2003–2008)
Infiniti QX60 (2014–2020)
Subaru Legacy / Outback (specific years and trims)
Always check fitment with your vehicle’s airbox design for confirmation.
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How to Use:
1. Remove your stock paper filter from the airbox.
2. Insert the Spectre HPR4309 in the same position and ensure a snug fit.
3. Clean and re-oil every 50,000 miles (~80,000 km), or as needed using 40 ml of Spectre oil.





