HONDA VTX 1800 Retro BIG SHOTS EXHAUST
HONDA VTX 1800 Retro
BIG SHOTS
EXHAUST SYSTEM
Part #18411
CONGRATULATIONS! You have purchased the finest exhaust system available for your motorcycle.
Your VANCE & HINES exhaust system is designed for today's rider, a rider who needs maximum
performance, great styling and a perfect fitting system. Please follow the installation instructions
below and if you have any questions, feel free to call our technical help line (562) 926-5291.
Attention Installer: (if other than owner): Please forward this instruction sheet to the purchaser of
this product. These instructions contain valuable information necessary to the end user.
STOCK EXHAUST SYSTEM REMOVAL
1. Remove right side frame cover.
2. If motorcycle is oxygen sensor equipped, locate and unplug connectors from wiring harness.
Remove wire tie (take note of harness routing for reassembly). Un-route wires and drape over right
side of pipe.
3. Remove entire right side floorboard assembly, (three bolts) (Figure 1).
4. Remove exhaust port flange nuts.
5. Remove flange bolts securing rear muffler mount to exhaust system mounting bar.
6. Remove complete exhaust system. Start by removing front head pipe from exhaust port
(assistance may be required).
7. Remove rectifier from mounting bar.
8. Remove stock (cast iron) exhaust system mounting bar.
Page 1 of 4
H400IN Rev. 1.0
VANCE & HINES EXHAUST SYSTEM INSTALLATION
1. If motorcycle is oxygen sensor equipped, unscrew the
sensors from the stock exhaust system and install them
into the Vance & Hines exhaust system, being sure to
install the front cylinder sensor into the lower pipe and
the rear cylinder sensor into the top pipe. Note: Use
caution when handling. Do not touch sensor tip area.
2. If motorcycle is not oxygen sensor equipped, install both
M12 x 11 plugs and washers (supplied)into the oxygen
sensor bosses.
3. Check condition of stock exhaust gaskets. Replace if
damaged or worn.
4. Install and tighten supplied mounting bracket (stamped
345-P) in the original mounting bar location, using one
M10 x 35 flange bolt and nut on top (supplied) and one
M10 x 20 flange bolt on bottom (supplied) (Figure 2).
Note: The bracket mounts behind the top frame mount
and in front of the bottom frame mount(Figure 2).
5. Install and tighten rectifier using M6x30 flange bolt, nut
and washer combinations (supplied) (Figure 2).
6. Place heat shields on a non-abrasive surface such as a
blanket or carpet. Using a felt tip marker mark outside
surface of front and rear heat shields with location of
the mounting clips welded to the inside (Figure 3).
7. Install each heat shield over its respective head pipe
(Figure 4).
8. Install each hose clamp by feeding tail end of clamp into
heat shield clip. Take note of clamp screw head
direction. (Figures 3 & 5) Screw head should be
accessible when system is installed on motorcycle for
adjustment purposes. Use #20 hose clamps for head
pipe areas and #28 hose clamps for muffler areas.
Note: Prior to tightening hose clamps, align end caps
so that slash ends are even. (Figure 6)
9. Tighten all hose clamps securing heat shields.
10. Using stock flange nuts, carefully install system into
exhaust ports starting with the rear port first
(Assistance may be required). Note: Do not tighten yet.
11. Slide dog bone shaped nut plate (supplied) inside each
bracket welded to backside of mufflers (Figure 7)
Figure 1
Bracket
345-P
Figure 2
Mark
outside
edge
Rectifier
mounting points
Feed clamp
through clips
Figure 3
Arrow indicates
direction to slide
heat shield
Figure 4
Page 2 of 4
H400IN Rev. 1.0
12. Attach mufflers to mounting bracket 345-P using 5/16”
flange bolts (supplied) engaging dog bone nut plate.
Note: Do not tighten yet.
13. Tighten exhaust port flange nuts securing head pipes
to cylinder heads.
14. Tighten 5/16” flange bolts securing mufflers to
mounting bracket.
15. Reinstall and tighten right-hand foot peg assembly and
right side frame cover.
16. Remove oil and finger prints from chrome using a soft
cloth and chrome polish before starting engine.
17. Important: All hardware must be properly tightened
before starting motorcycle.
Black arrows indicate the
direction of clamp heads
Figure 5
Oxygen sensors
Figure 6
Align
ends of
heat
shields
Installing nutplate
Figure 7
FUEL-INJECTION INSTRUCTIONS
For fuel injected models, Vance & Hines recommends the use of an adjustable fuel management
system to ensure maximum exhaust system performance.
PLEASE NOTE: Every effort is made for Vance & Hines Exhaust Systems to provide improved
cornering clearance. However, due to design and space limitations on some motorcycle models,
(center stand, oil filter, oil pan etc.) ground and cornering clearance may not be improved and in some
cases may be reduced. Be sure to follow proper installation instructions.
Page 3 of 4
H400IN Rev. 1.0
PACKING LIST (All parts actual size)
M12x11 Plug x 2
M10x35 Flange bolt x1
5/16” Flange bolt x 4
M12 Plug washer x 2
M10x20 Flange bolt x1
#20 Hose clamp x 5
M10 Lock nut x 1
Nutplate x 2
#28 Hose clamp x 4
M6x30 Flange bolt x 2
1.
2.
3.
4.
5.
6mm Washer x 2
M6 Lock nut x 2
HELPFUL HINTS TO AVOID DISCOLORATION OF EXHAUST PIPES
Follow owner’s manual instructions regarding use of the choke (starter enricher). If left on longer
than recommended, discoloration may be accelerated.
Avoid long periods of idling.
Intake leaks can cause engine to run lean and overheat, thus turning the pipes blue.
Make sure there are no exhaust leaks at the junction of the exhaust pipe and cylinder head.
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 cleaning solvent that will leave no residue (glass
cleaner, alcohol, ammonia, etc.) before starting the motorcycle.
WARNING!
VANCE & HINES DOES NOT WARRANTY ANY CHROME
PRODUCTS AGAINST DISCOLORATION.
For information about other Vance and Hines products visit our web site at www.vanceandhines.com
Page 4 of 4
H400IN Rev. 1.0
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