INSTALLATION INSTRUCTIONS
** Installation recommendation: JBA recommends in most case that the vehicle be taken to a reputable exhaust shop for installation.
JBA recommends taking the vehicle to a mufer shop and having all slip connections tack welded. 4-11-2011
40-2642
2011 Mustang 5.0 GT
3” Dual exhaust to stock H Pipe
Parts List:
D/S Over axle pipe 1
P/S Over axle pipe 1
P/SMufer/Tipassembly 1
D/SMufer/Tipassembly 1
3” Sure-Seal™ Clamp 2
RecommendedTools:
prybar
ratchet
15mm deep socket
9/16 deep socket
channel lock pliers
Start:
1.RemoveandinventorytheJBA
ExhaustSystem.
2. Disconnect the negative bat-
terycableandallowtheexhaust
systemtocompletelycool.
3. Loosen the clamps attaching
the exhaust to the stock H Pipe
assembly.Slidetheclampbackto
separatethetwo.
4. Loosen the clamp connecting
theexhaustpipetothemufer.
Wiggle the exhaust pipe free from
themufer.Removetheexhaust
pipefromcar.Youmayhaveto
jackthecarupbytheframetoget
the pipes out from over the axle.
5.Usingpliersoraprybar,slide
the rubber hanger from the hanger
rodatinside,frontofmufer(a
little lube helps). Slide the muf-
erassemblyforwardandremove
from slip hangers.
6.SlidetheJBAmufer/tipassem-
blies hangers into the rubber isola-
tors on each side. WD40 or similar
willmakethiseasier.
7.Installthenewoveraxlepipes.
Slide the original clamps over the
pipe to hold in place but do not
tighten. Slip the 3” Sure Seal™
clampsontoeachpipe,theninsert
intomufer/tipassemblies.
9. With the axle pipes in the
muferassembliesadjustmuf-
erstobeat,andthetipsan
equal distance from the bumper
cover,Thentightenallclamps
securely.
10.Usingasoftcloth,wipethe
newJBAtipsclean.
11.Reconnectthebatteryand
start the vehicle to check for
leaks.
NOTES:
1.)Allexhaustsystemsexpand
about1”rearwardwhentexhaust
temperature rises.
TogetmorepoweroutofyourMustang,JBAofferslongtubeheaders-
headersandhighowh-pipesforthe5.0L.Formoreinformationabout
theseandotherqualityperformanceproductsfromJBAvisitusonline
atwww.jbaheaders.com
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