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Borla Performance Cat-Back
Exhaust System Installation (Cont'd)
NOTE: The Actuator Gear on electronic actuator needs to be aligned to the Valve Slot
for proper engagement. Improper function of the valves, a CEL, or damage can occur if
these aren't aligned.
1.
Valve Plate needs to be in open position (please rotate valve prior to mounting
Factory Actuator to R/H Muffler Assembly). (See Fig. 10)
2.
Orient the Actuator Gear to the valve Slot then position Factory Actuator bolt
holes. Reuse (3) factory bolt/washer/nut assemblies in securing the Factory Actua-
tor to the Muffler Assembly. (See Figs. 11A-11B-11C)
3.
Verify alignment of Actuator Gear to the valve Slot. Tighten the nut/bolt assem-
blies 8-9 ft. lb. torque. (See Fig. 12)
4.
REPEAT STEPS 1-3 for the L/H Muffler Assembly factory actuator installation.
5.
Starting on the left-side, place a clamp on the R/H Muffler Assembly inlet pipe
and inserting the inlet pipe into the R/H Intermediate Pipe Assembly. Insert the
hanger into the rear rubber isolator. (See Fig. 13) Do not tighten the clamps.
6.
REPEAT STEP 5 for the L/H Muffler Assembly. Do not tighten the clamps.
7.
Reconnect Wire Harness to Factory Actuators, both left and right sides.
8.
Check your exhaust system for proper clearance under the vehicle and also for tip
alignment. Starting at front flanges and moving to rear of vehicle, tighten flange
hardware bolts. Orient position of bolt (on supplied clamps) between (not over)
pipe notches and tighten to 35 ft. lbs. torque.
9.
Before starting your vehicle, make sure to check all wires, hoses, brake lines, body
parts and tires for safe clearance from the exhaust system.
10. Start vehicle and check for any leaks. If any leaks are found, determine cause
(such as loose or incorrectly positioned clamp) and repair as necessary.
WARNING: Use extreme caution during installation. Torque all fasteners according to manufactur-
er's torque values and tightening sequence. DO NOT use air impact tools to tighten fasteners on
Borla Performance
Exhaust
Systems. Use of such tools may result in bent flanges or gasket contact
areas leading to exhaust leaks.
NOTE: When you first start your vehicle after the installation of your new Borla Performance Exhaust
System, there may be some smoke and fumes coming from the system. This is a protective oil based coat-
ing used in the manufacturing of mandrel bent performance exhaust tubing. This is not a problem and
will disappear within a very short period of time after the exhaust has reached normal operating temper-
atures.
INSTALLATION INSTRUCTIONS
Ford Mustang GT 5.0L
DOCUMENT PART NUMBER
A-35963 Rev. B
BORLA PERFORMANCE INDUSTRIES
500 Borla Drive
Johnson City TN, 37604-7523
805-986-8600
10
Open Position (Valve Plate)
Actuator Gear
11A
Actuator Gear
11B
Valve Slots
11C
12
13
PAGE
7 of 7
Valve Slots
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