Step 1: (Carefully read all instructions before
installation) You will need to temporarily remove the
passenger's side upper stabilizer bar mount bolt, and
loosen the lower mounting bolt as shown in Fig. 1. This
will allow the bar to swing out of the way. The next step is
to remove the lower mounting bolt of the passenger's side
rear shock as shown in Fig. 2 to allow the shock to swing
out of the way. Unbolt the rear half of the OEM exhaust
system from the catalytic converter and disengage the
welded hangers from the rubber insulators to remove the
muffler/tailpipe assembly from the vehicle. Loosen the
V-band clamp that attaches the downpipe but do not
overstress the clamp, or attempt to remove it. Once the
clamp is loose, slip the V-band clamp off of the downpipe,
and allow it to rest on the turbo housing. The downpipe
and catalytic converter can now be removed from
underneath the vehicle.
Step 2: Begin installation of the new sytem by fitting the
new downpipe into position from under the vehicle.
Carefully attach the new downpipe to the turbo reusing the
OEM V-band clamp. Fasten the clamp snugly to rotate the
downpipe when adjusting the complete system. Fit the
lower downpipe into place and fasten it to the upper
downpipe using the pre-welded band clamp. You can now
reinstall the stabilizer bar. Refer to Ford's shop manual for
proper torque specifications of all mounts.If you are
retaining the OEM catalytic converter, use the converter
extensions with the supplied 3.50" and 4" clamps and
OEM fasteners at the 2-bolt flange. If you are not using
the converter, use the downpipe extension and 4x9"
extension pipe without the converter extensions. The 18"
extension pipe is for CC/LB models, CC/SB models dont
use it, and shorter models may require triming of the
2-bend extension pipe. Once you have determined which
extension pipes are needed, install them using the
supplied 4.00" clamps as shown. Install the muffler,
tailpipe extension, and tailpipe in a similar fashion using
the supplied clamps and hanger clamps. The adjustable
T-clamp is slotted to adjust the height and alignment of
the system.
Mufflers, Converters,
Systems and Tips
INSTALLATION INSTRUCTIONS
18991
2003-2007 Ford F-Series - 6.0L V8 Crew Cab
Long/Short Bed
Warning: When working on, under, or around
any vehicle exercise caution. Please allow the
vehicle's exhaust system to cool before removal,
as exhaust system temperatures may cause
severe burns. If working without a lift, always
consult vehicle manual for correct lifting
specifications. Always wear safety glasses and
ensure a safe work area. Serious injury or death
could occur if safety measures are not followed.
** Magnaflow Performance Exhaust recommends professional
installation on all their products
Magnaflow Performance Exhaust - 22961 Arroyo Vista Rancho Santa Margarita, CA 92688
Main #: 1-800-990-0905 Technical Support: 1-800-959-9226 ext 4500
Nov 21, 2012
Rev: 000
TAILPIPE
TAILPIPE
EXTENSION
ADJUSTABLE
T-CLAMP
30" EXTENSION
PIPE
18" EXTENSION
HANGER CLAMP
2 BEND EXTENSION
PIPE
4x9" PIPE
3.50" CLAMP
DOWNPIPE
EXTENSION
(5) 4.00" CLAMPS
HANGER CLAMP
DOWNPIPE
LOWER
DOWNPIPE
(3 pages)
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