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Flex Coupler; Spectre's EPDM/TPE couplers, elbows and reducers are available to help you connect the different air intake tubes together with ease. We offer multiple length and shape couplers and reducers with 3, 3.5, 4 and 4.5 in. inside diameter sizes.

Flex Coupler Elbow; Spectre's EPDM/TPE couplers, elbows and reducers are available to help you connect the different air intake tubes together with ease. We offer multiple length and shape couplers and reducers with 3, 3.5, 4 and 4.5 in. inside diameter sizes.

Apollo Mounting Bracket; Mounting bracket assembly to securely support K&N Universal Air Filters to your vehicle.

Apollo Intake Hose Kit; K&N's black rubber adapter hose allows a 70 mm connection to a K&N Apollo Universal Air Intake's standard 70 mm flange.

Coupler Reducer; AEM rubber hose adapters are designed to connect two different diameter air intake tubes for racers, builders and fabricators to create custom ducting for turbocharger systems and air intakes. Constructed from reinforced rubber.

Coupler Reducer; AEM rubber hose adapters are designed to connect two different diameter air intake tubes for racers, builders and fabricators to create custom ducting for turbocharger systems and air intakes. Constructed from durable, reinforced rubber.

AEM hump hoses allows for a flexible joint in between air intake and intercooler tubes. Made from durable EPDM rubber, this hump hose coupler can withstand high working temperatures and is corrosion resistant to fuel and oil.

The AIRAID Hump Hose Coupler connects two air intake tubes with a hump allowing for flexibility and vibration dampening.

This Spectre Intake Coupler connects a 3 inch outside diameter component or air intake tube with a 2-1/2 inch outside diameter component. Made from red PVC and comes with two stainless steel worm gear hose clamps.

This Spectre Intake Coupler connects a 3 inch outside diameter component or air intake tube with a 2-1/2 inch outside diameter component. Made from blue PVC and comes with two stainless steel worm gear hose clamps.

This Spectre Intake Coupler connects a 3 inch outside diameter component or air intake tube with a 2-1/2 inch outside diameter component. Made from black PVC and comes with two stainless steel worm gear hose clamps.

Coupler Reducer; This Spectre Intake Coupler connects a 3 inch outside diameter component or air intake tube with a 2-1/2 inch outside diameter component. Made from black PVC and comes with two stainless steel worm gear hose clamps.