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9774 Spectre MAF Sleeve Kit
- Designed for GM boot-in mass air flow sensor adapters
- Includes one 3-5/8 inch to 4 inch sleeve and two 3-7/8 inch to 4 inch sleeves
- Adapts GM boot-in mass air flow sensors to 4 inch intake systems
- See P/N 990003 for applications requiring an additional 3-5/8 inch sleeve
Product Style | Spectre Accessories |
Outside Diameter | 4 in (102 mm) |
Inside Diameter | 4 in (102 mm) |
Package Contents | 3 Adapters |
Weight | 0.4 lb (0.2 kg) |
Product Box Height | 6 in (152 mm) |
Product Box Length | 4.75 in (121 mm) |
Product Box Width | 2.7 in (69 mm) |
Hardware Included | No |
Material Used | Plastic |
Warranty | 90 Days |
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.