SJJ21R
2007-13 Jeep Wrangler 2/4 Door HGC
Stainless Steel Cat-Back Exhaust System
PLEASE TRY TO INSTALL OUR WAY FIRST
1 Begin by placing the vehicle on a lift or 4 jack stands if needed so you can work safely under the vehicle.
2 Unboltthefactorymuferusingthe15mmsocketandremovethemuferfromthevehicle.Toaidinthe
removal presoak the bolt and nut as well as the rubber bushings.
3 Nextpresoakandusingthe15mmsocketloosentheclampattheendofthefactorydownpipeandre-
move the factory midpipe. Save all the rubber hanger bushings as they will be reused.
4 Now it is time to start installing your new cat back system. Begin by installing the new tail pipe reusing
the factory mount locations and rubber hanger bushings.
5 InstalltheM-80muferusing2oftheHVC21clamps.DONOTTIGHTENATTHISTIME.
6 The mid-pipe is next. We left extra length on this pipe for your convenience. Carefully measure from the
endofthefactorydownpipetothemuferaddingenoughtoaccountforthemid-pipeslippingoverthefactory
downpipeandintothemufersonottocausealeak.Fourdoorownersonlyslighttrimmingmaybeneeded.
Twodoorownerswillcutsignicantlymoreoff.RememberMeasurethreetimesandcutonce.
7 OnceyouhavetrimmedorcutthemidpipetolengthinstallitalongwiththethirdHVC21Clampandthe
HJJ010 hanger clamp. Note not all vehicles will use the HJJ010 hanger clamp. It is designed as extra support for
the midpipe and installs at the hanger location just behind the factory midpipe. If this clamp interferes with your
transfer case DO NOT USE THE Clamp.
8 Nowthatyouhaveallthecomponentslooselyinstalledyoucanstartmakingadjustmentstoalignthe
system. Once you are happy with the alignment tighten all the clamps. Air tools for this step are highly recom-
mended.
9 Lastly start your vehicle and check for leaks. It is not uncommon to see condensation coming from the
reliefcutsinthepipefortherstfewhundredmiles.Doublecheckallclampsfortightnessaftertherstweekof
driving.
Nowit’stimetoreupthatWranglerandenjoyyour
new Pypes Performance Exhaust.
Pypes Performance Exhaust
2705 Clemens Road Suite B103 Hateld, PA 19440
800-421-3890 (voice) 267-638-3507 (fax)
www.pypesexhaust.com
(A)
Thanks again for purchasing your new stainless steel Pypes Per-
formance Exhaust Jeep JK High Ground Clearance cat back sys-
tem. Please be sure to conrm all the components in the kit were
received before you begin the installation. If you nd a component
missing, please call our ofce at 800-421-3890 for replacements.
For a quicker and tighter installation the use of air tools is recom-
mended. Technical assistance is available both on line at
www.pypesehsust.com or at 800-421-3890.
(B)
TOOLS REQUIRED
p 2 pair of jack stands or lift
p 15mm socket or wrench
p Penetrating Oil
p Measuring Tape
p Sawsall or Hack Saw
PART LIST
(A) 1- TJJ21 tail pipe
(B) 1- MVR200S mufer
(C) 1- MJJ21 mid pipe
(D) 1- HJJ010 hanger clamp
(E) 3- HVC21 band clamps
(C)
(D)
(E)
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