We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
HPR4939 Spectre Replacement Air Filter
- High performance and high air flow filter
- Filter media is non-woven synthetic and pre-dyed
- Replaces stock air filter
- Easy to install with no special tools or skills required
- Reinforced with a steel mesh
Product Style | Spectre Unique Air Filter |
Air Filter Shape | Tapered Conical |
Filter Material | Non-woven Synthetic |
Flanges | None |
Height | 3.15 in (80 mm) |
Base Outside Diameter | 8.813 in (224 mm) |
Base Inside Diameter | 6.063 in (154 mm) |
Top Outside Diameter | 5.344 in (136 mm) |
Package Contents | 1 Air Filter |
Package Quantity | 1 |
Weight | 1.3 lb (0.6 kg) |
Filter Re-Oiling Amount | 0.68 oz (20 ml) |
Air Filter Large End Diameter | 8.75 in (222 mm) |
Product Box Height | 11.6 in (295 mm) |
Product Box Length | 11.4 in (290 mm) |
Product Box Width | 4.1 in (104 mm) |
Washable | Yes |
Easy Moderate Advanced
Screwdriver
20 Minutes
Spectre Performance Products
POLE POSITION PERFORMANCE
Products designed and tested to perform and last.

Air Intake Systems
Spectre air intakes are manufactured from high quality polished or powder coated aluminum tubing and come complete with a high flow air filter engineered to increase airflow and performance.

Replacement Air Filters
Spectre air filter products are designed to increase power and torque for your engine.

Accessories
Explore your vehicle’s individuality with precisely designed accessories from Spectre—engineered for functionality and a custom, elegant appearance.

Intake Components
Spectre offers air intake components for DIY car enthusiasts so they can design and build a cold air intake for their modified car or truck.
Our Story
Why Spectre?
From humble beginnings in a two car garage, to setting world records and becoming the first wheel driven, gasoline powered car to run over 400 mph, it's been one heck of a ride.