HARLEY-DAVIDSON SPORTSTER TWIN SLASH 3IN SLIP-ON INSTALLATION INSTRUCTIONS

HARLEY-DAVIDSON SPORTSTER TWIN SLASH 3IN SLIP-ON INSTALLATION INSTRUCTIONS
Congratulations, you have purchased the finest exhaust system for your
motorcycle on the market. Your Vance & Hines exhaust system is designed
and crafted for maximum performance, a perfect fit, a great sound and
unbeatable style. Please follow the installation instructions below and if you
have any questions, please call our technical support line at (562) 926-5291.
Attention installer (if other than owner), please forward this instruction sheet
to the owner of this product. These instructions contain valuable information
to the end user.
TOOLS
REQUIRED
Flat blade screwdriver
5/16” Nutdriver
Ratchet 3/8” drive
9” Extension
sockets 9/16” & 1/2”
1/2” Wrench
READ ALL INSTRUCTIONS BEFORE BEGINNING INSTALLATION
STOCK EXHAUST
SYSTEM REMOVAL
MORE POWER : LESS NOISE
HARLEY-DAVIDSON® SPORTSTER
TWIN SLASH 3IN SLIP-ON
INSTALLATION INSTRUCTIONS
PART# 16861
1. Loosen the heat shield clamps on both front and
rear exhaust pipes.
2. Loosen the clamps holding the mufflers onto the
head pipes.
3. Remove the two bolts from each muffler which
attach the mufflers to the mounting bar (Figure1).
4. Remove muffler mounting bar and set aside the
mounting bar and hardware for re-use.
5. Remove the mufflers by sliding them off the head
pipes. NOTE: Penetrating oil may be required to
loosen muffler from headpipes.
FIGURE 1
6. Remove the clamp from the nose of each muffler
(these will be re-used when installing the new
mufflers).
FIGURE 2
Muffler Attach Bolts
Mounting Bar Bolts
Page 1 of 3
D890IN Rev. 1.0
FIGURE 2
FIGURE 4
Arrows indicate clamp head
direction
1/4”
EXHAUST SYSTEM
INSTALLATION
1. Remove mufflers and heat shields from protective
packaging.
2. Slide hose clamps into clips inside muffler heat shields. Note
direction of clamp screw heads (Figure 3).
3. Slide heat shields onto muffler bodies so that muffler body
is extended past top of heat shield by 1/4” inches. Make
sure that slash angles of the muffler body and heat shields
are aligned, and that the logo is positioned as shown
(Figure 4). Tighten hose clamps.
4. Slide stock exhaust clamp onto nose of each muffler. NOTE:
On the front clamp the nut faces down and the rear clamp
the nut must face up.
5. Loosley install the muffler mounting bar using the stock
hardware (Figure 1).
6. Beginning with the front muffler, slide mufflers onto head
pipes.
7. Attach the muffler brackets to the stock mounting bar using
the 5/16 x 1 1/4” hex nut and washer. Leave them loose at
this time (Figure 2).
8. Align muffler and bracket so they sit level. Tighten the
muffler mounting bolts and the bracket mounting bolts.
9. Tighten the clamps holding the mufflers onto the head
pipe.
10. Align head pipe heat shields and tighten all of the head
pipe hose clamps.
11. Check for adequate clearance between all exhaust system
components and motorcycle accessories prone to heat
damage.
12. After installation and before starting motorcycle, completely
clean pipes and mufflers with cleaning solvent and a clean,
soft cloth that will not leave a residue. Note: Any residue,
oil, or fingerprints will stain the chrome when the metal
heats up.
13. Be sure to tighten all hardware before starting
motorcycle.
EXHAUST CARE - HELPFUL HINTS TO AVOID DISCOLORATION OF EXHAUST SYSTEM
1.
When installing a new set of chrome pipes, make sure your hands are clean and free of oil.
After installation, thoroughly clean pipes with a soft cloth and cleaning solvent that will leave
no residue (chrome wax / polish, glass cleaner, alcohol, ammonia, etc...) before starting the
motorcycle.
2.
3.
4.
Avoid long periods of idling as this can cause discoloration.
Intake leaks can cause the engine to run lean and overheat, this could lead to discoloration.
Make sure there are no exhaust leaks at the junction of the exhaust pipes and cylinder head.
We recommend replacing gaskets if they are worn.
OPTIONAL ACCESSORIES
BAFFLES
MORE POWER : LESS NOISE
Attach muffler brackets
to mounting bar
FIGURE 3
21899
21897
21874
Quiet Baffle
Competition Baffle
Replacement Baffle
PLEASE NOTE: Every effort is made for Vance and Hines Exhaust Systems to provide improved cornering clearance. However, due to design and space limitations on some motorcycle models, ground and
cornering clearance may not be improved and in some cases may be reduced. Be sure to follow proper installation instructions.
Page 2 of 3
D890IN Rev. 1.0
HARLEY-DAVIDSON® SPORTSTER
TWIN SLASH 3IN SLIP-ON
INSTALLATION INSTRUCTIONS
PART# 16861
ALL PARTS SHOWN ARE ACTUAL SIZE
MORE POWER : LESS NOISE
PACKING LIST
5/16 x 1 1/4” Hex Head Bolt x 4
Hose Clamps x 4
5/16 Washer x 4
PARTS NOT SHOWN:
D786RC Muffler Body
D740HC Heat Shield
x2
x2
WARRANTY
Vance and Hines exhaust systems are warranted against defects in material and workmanship for a period of 90 days from the date of purchase from an authorized dealer. This warranty does not cover
discoloration of chrome finishes. This warranty is limited to the repair or replacement of a product proven to be defective from normal use. Exhaust systems are designed to fit and operate on OEM
motor and chassis. This warranty does not cover any product subject to abuse, misuse, improper installation or modification.
Page 3 of 3
D890IN Rev. 1.0
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