Owner's manual

1997-2004 C-5 Corvette

Cold Air Induction System

Part # 1726/17260

INS-090

Step 1 Raise hood and disconnect (–) neg battery terminal.

Step 2 Disconnect all electrical connections to the mass-air

sensor and air inlet duct.

Step 3 Remove breather hose from air box and remove

90-degree tube for later use.

Step 4 Remove small vacuum nipple from accordion duct

between air duct and throttle body.

(Some models do not have this item.)

Step 5 Loosen hose clamps at the throttle body, mass-air

sensor and airbox and remove the mass-air sensor

and air duct from vehicle. The air duct is held to the

radiator support with 2 grommets - just tug firmly

upward to release from the grommets.

Step 6 Remove air filter box assembly from the vehicle, attachment to the chassis is the same as the air duct.

Step 7 Install 90-degree breather tube (from stock airbox) into the new air filter and loosely clamp the filter to the

mass-air sensor.

Step 8 Swap the air temp sensor and grommet from stock air duct to the BBK duct then loosely clamp the 3 1/2 I.D. blue

hose to the mass-air sensor and the BBK air duct.

Step 9 Loosely clamp the 4" I.D. blue hose to the air duct and install complete assembly into the vehicle attaching to the

throttle body and the two grommets on the radiator support..

Step 10 Align the hoses, clamps etc., before tightening the hose clamps.

Step 11 Reattach wiring to mass-air sensor, air temp. sensor and connect breather tube at the air filter.

Step 12 If equipped with small vacuum fitting between air duct and throttle body simply drill through the blue hose in the

gap between the duct and the throttle body using a 1/8" drill bit and press fitting into opening..

Step 13 Reattach neg. (–) battery terminal, start vehicle and let idle to full operating temp. Recheck to ensure everything

is tight and secure.

INSTALLATION INSTRUCTIONS

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IMPORTANT—All appropriate safety equipment (e.i., gloves, tools) must be used during the installation of this product(s).

BBK Performance, Inc. accepts no responsibility for injuries resulting in the installation of any product(s).