Bbk-performance 15290 User Manual
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BBK 1-5/8” Equal Length
Short-Tube Headers
Part # 1512, 15120, 1529, 15290
INS-032
Step 1
Disconnect the negative battery terminal and place front of vehicle securely on jackstands.
! CAUTION !
Use extreme caution under vehicle
Step 2
Remove hose clamp at throttle body, unplug mass-air sensor, and remove 2 screws holding top of airbox and
sensor bracket from the front of strut tower then remove entire assembly from vehicle.
Step 3
Remove air-injection routing tubes by disconnecting the 2 vacuum lines at the diverter valves, remove the hose
clamps from the back of the air-pump and remove the 2 clamps connecting the hoses to the steel lines (near rear
of valve cover) and remove entire assembly.
Step 4
Remove all spark plugs and the dipstick tube.
Step 5
Working from under the vehicle (use caution) remove the nuts connecting the h-pipe to the exhaust manifolds
and tailpipes then slide the h-pipe backward a few inches to gain clearance for the header installation.
Step 6
Remove the stock headers and clean any gasket material from the gasket surface on cylinder head (header
removal is from the inside of the engine compartment).
Step 7
Before reinstalling, the dipstick will require clearancing (shown in Photo A).
Step 8 ! CAUTION !
Use extreme caution under vehicle and raising motor
To avoid damage to header coating or paint in engine compartment it may be necessary to raise the right side of
the motor while installing passenger side header. The motormount is connected to the car with 1 nut, easily
accessible from under front of vehicle. (See Photo B).
Step 9
Remove nut and jack motor up using a floorjack or hoist being sure to place jack as not to damage or harm any
part of the engine. Once motor is in raised position place an appropriately sized block of wood between motor-
mount and frame (this will hold motor in upward position in the event of jack or hoist failure).
Step 10
Set header in place and start all bolts by hand, then lower motor back into position in frame, tightening the mount
nut to factory specification. Torque all header bolts to specification.
Step 11
Reinstall the spark plugs and wires.
Step 12
Before reinstallation, the air-injection tubes must be modified as shown in Photo C, using hose and clamps
provided in kit.
INSTALLATION INSTRUCTIONS
www.BBKPERFORMANCE.com
Photo A
Photo C
Photo B
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).
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Summary of Contents
Page 1 - Short-Tube Headers
BBK 1-5/8” Equal LengthShort-Tube HeadersPart # 1512, 15120, 1529, 15290INS-032Step 1Disconnect the negative battery terminal and place front of vehic
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