Spectre Breather Filter with 10mm Flange – 2-inch OD, 1-3/4 Inch Height, Black

This Spectre breather filter, also known as a crankcase vent filter, has a flange with an inside diameter of 10mm. By using the included adjustable worm gear clamp, this air filter will fit tubes with outside diameters from 3/8 inch to 1/2 inch (8-12mm). Spectre breathers use pre-dyed synthetic media for lasting color, feature a triple chrome-plated steel top and base, and come factory pre-oiled and ready to use. Note: Legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway. See spectreperformance.com for CARB status on each part for a specific vehicle. This Spectre breather filter, also known as a crankcase vent filter, uses pre-dyed synthetic media for lasting color, features a triple chrome-plated steel top and base, and comes factory pre-oiled and ready to use.

• Made With PreDyed Synthetic Media For Lasting Color
• Offered with black, red, blue, or white media

The Spectre Part Number 3991 breather filter is designed for optimal crankcase ventilation in automotive applications. Featuring a 10mm flange inside diameter, this filter easily attaches to tubes with outside diameters ranging from 3/8 inch to 1/2 inch (8-12mm) using the included adjustable worm gear clamp. Its durable construction includes a triple chrome-plated steel top and base, providing corrosion resistance and a sleek appearance. The filter utilizes pre-dyed synthetic media for lasting color, available in black, red, blue, or white, ensuring it maintains its vibrant look over time. Factory pre-oiled and ready to install, this breather filter offers reliable performance straight out of the box, making it an excellent choice for race vehicles or custom builds. Designed for automotive use, it complies with Prop 65 regulations and is not CARB approved, suitable for off-highway or racing applications only. Proper installation ensures effective crankcase ventilation, helping to maintain engine health and improve performance. Whether upgrading existing filters or installing on new builds, this Spectre breather filter provides a combination of durability, style, and functionality for enthusiasts and professionals alike.

Features:

• 10mm flange inside diameter for easy attachment

• Adjustable worm gear clamp fits tubes from 3/8 inch to 1/2 inch (8-12mm)

• Triple chrome-plated steel top and base for corrosion resistance

• Pre-dyed synthetic media for lasting vibrant color

• Available in black, red, blue, or white media

• Factory pre-oiled and ready for installation

• Compact height of approximately 1-3/4 inches for versatile placement

• Designed for off-highway or racing vehicle applications

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1