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25% Off Online Orders of Select Hard Parts. Enter Promo Code MMJ30 in Cart.

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25% Off Select Parts and Accessories
Receive 25% Off Your Online or In-Store Purchase. Use promotional code MMJ25 at checkout to receive discount. Not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included will be displayed in product search results and product detail pages. INCLUDES the following categories: Starters, Alternators, Fuel Pumps, Radiators, Shocks & Struts, Chassis, CV Axles, Batteries, Ignition, Window Motors, Wipers, Appearance Chemicals, Car Wash Accessories, Floor Mats, Lift Equipment, Hand Tools, Headlamps and Bulbs. Excludes the following brands: Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner and BBK Performance. Valid online until 2:59 am EST on 5/1/17.

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  • Part #: 9772|
  • SKU: 20060619


    • Joins a 4" tube to a 4 or 3-3/4" tube
    • 2 stainless steel worm gear hose clamps included
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Spectre Coupler, Red, 4"

The Spectre red intake coupler connects any 4 inch outside diameter component or air intake tube to a 4 or 3-3/4 inch outside diameter tube. This coupler is made from reinforced red PVC and includes two stainless steel worm gear hose clamps and a 3-3/4 inch removable reducer. Not recommended for turbo-charged/supercharged engines.
  • Joins a 4" tube to a 4 or 3-3/4" tube
  • 2 stainless steel worm gear hose clamps included
  • Comes with a 3-3/4 inch removable reducer to adapt a 4 inch tube to a 3-3/4 inch tube
  • Made from reinforced red PVC

Product Box Height
6 in (152 mm)
Outlet Diameter
4 in (102 mm)
0.5 lb (0.2 kg)
Inlet Diameter
4 in (102 mm)
Package Contents
Coupler, Sleeve, Clamps
Package Quantity
Product Style
Spectre Couplers/Reducer
Product Box Length
4 in (102 mm)
Product Box Width
4 in (102 mm)