EXHAUST
O 2 SENSOR BUNG, PLUG AND WASHER
Available as a set or individually
Weld-in O 2 sensor bung allows installation of O 2 sensors in any exhaust system; 18mm x 1.5p
O 2 sensor bung plug works with any O 2 sensor bung; 18mm x 1.5p
1861-0728
Aluminum bung plug washer fits any 18mm O 2 sensor bung plug
DESCRIPTION
PART #
SUG. RETAIL
DESCRIPTION
PART #
SUG. RETAIL
O 2 sensor bung, plug and washer set
1861-0728
$18.95
O 2 sensor bung plug
1861-0522
$8.95
Weld-in O 2 sensor bung
1861-0523
9.95
Aluminum washer for O 2 sensor plug
1860-0545
2.45
HEAVY-DUTY
Allows installation of exhaust gas
EXHAUST CLAMPS
Extra-strong T-bolt-style clamps
provide uniform clamping force
SUG. RETAIL ...... $21.95 PART #
1861-0525
to help prevent leaks
Made of corrosion-resistant stainless steel for long-lasting
good looks
UNIVERSAL
Sold each
SUG. RETAIL .............. $6.95
HEAT SHIELDS
DESCRIPTION
PART #
DESCRIPTION
PART #
DESCRIPTION
PART #
High-quality heat shields look great
990165
1.5”-1.64”
1861-0870
1.94”-2.18”
1861-0873
2.21”-2.56”
1861-0875
1.63”-1.88”
1861-0871
2.13”-2.37”
1861-0874
2.56”-2.87”
1861-0876
Heat shields available in three sizes
1.75”-2”
1861-0872
to fit most pipes
Shields are triple chrome-plated and
highly polished for a non-blueing
look for years to come
Come complete with clamps
for mounting
Sold each
1861-0926
DUO, MUFFLER AND
Made in the U.S.A.
SUG. RETAIL ............ $19.95
1861-0929
SIZE
PART #
SIZE
PART #
SIZE
PART #
EXHAUST PIPE CLAMPS
Muffler clamps provide a clean, custom solution for securing practically
990155
2”, 7” L
990165
2 1 / 4 ”, 7” L
990175
any slim-fit muffler or bolt-on exhaust accessory to the end of 1.75” O.D.
exhaust pipes; the 6061 T-6 billet alloy clamps are specifically designed
to finish the look of Biltwell mini mufflers on custom pipes, but will
work with other muffler brands so long as the mounting flange O.D.
doesn’t exceed 1.90”
Muffler clamps include a threaded stainless steel insert inside the
clamp that accepts 5/16-18 mounting hardware (two Allen cap bolts
included); long Allen cap bolt with Nyloc ® nut screws through the alloy
body to provide an additional location for fastening a custom hanger or
18mm O 2 SENSORS
mounting bracket
Precision-manufactured with a ceramic
Pipe clamps only fit around 1.75” O.D. straight pipes; they will not fit
body made of stabilized zirconium dioxide,
1861-0884
over the slip joint on a Biltwell or
any similar aftermarket muffler
Sold each
SUG. RETAIL ............ $29.95
prevent erosion due to contamination and particulates in the
DESCRIPTION
PART #
DESCRIPTION
PART #
exhaust gases
MUFFLER CLAMPS
PIPE CLAMPS
Polished
1861-0928
Polished
1861-0926
10-15%, excessive exhaust emissions and poor drivability
Black
1861-0929
Black
1861-0927
Life expectancy of an average oxygen sensor in a properly tuned engine
is typically 30,000-50,000 miles
Narrow band O 2 sensors available in 12.5”, 16.25” and 22.25” overall
lengths; has 2-wire sensor plug
All sensors meet or exceed OE specifications
O 2 EXTENSION
Made in the U.S.A.
FOR YAMAHA 1700 ROAD STAR 08-15
DESCRIPTION
PART #
SUG. RETAIL
Plug-in extension for the O 2 exhaust sensor wiring harness
O 2 sensor w/ 12.5” L wire lead
1861-0884
$59.95
May be necessary when installing a custom exhaust
Sold each
O 2 sensor w/ 16.25” L wire lead
1861-0885
59.95
1861-0886
59.95
SUG. RETAIL ............ $59.95 PART #
1861-1029
1861-0607
SUPERTRAPP
TORQUE CONES
Generate correct levels of backpressure for
EXHAUST END CAP
O 2 SENSOR PORT PLUG KIT
increased horsepower
Kit allows select pre-closed-loop models to
Allows you to open up your exhaust for
Fully radiused edges for improved engine
run newer style exhaust systems equipped
straight-through flow by simply turning
response, especially low-end torque
with O 2 sensor ports
For use with stock or aftermarket
Includes two zinc-plated plugs with
Slight power gains when used on
exhaust systems
sealing washers
modified motors
Fit 1 1 / 2 ” – 1 3 / 4 ” i.d. exhaust pipes
Simply screw into nonessential sensor ports
Sold in pairs
Made in the U.S.A.
SUG.
SUG. RETAIL ............................. $19.99
PART #
RETAIL
DESCRIPTION
PART #
SUG. RETAIL ............................. $52.95 DESCRIPTION
For 1 1 / 2 ” – 1 3 / 4 ” i.d. exhaust pipes
1861-0400
$34.95
Sensor port plug kit, 10mm
1861-0678
PART #
1812-0150
For 1 3 / 4 ” – 2” i.d. exhaust pipes
1861-0479
49.95
Sensor port plug kit, 12mm
1861-0607
To avoid blueing, consider properly tuning the vehicle; however, the vehicle must always remain within the legal standards for emissions controls as
defined by EPA, CARB and any other applicable state laws.
SEE PAGE 6 FOR IMPORTANT EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND WARRANTY INFORMATION.
2017 PARTS UNLIMITED STREET