Cat-Back Stainless Dual Sport Exhaust
Toyota Tundra 4.6L--5.7L
Crew Max, Short bed 5.5’ / Double Cab, Standard Bed 6.5’
Toyota Tundra 4.7L
Crew Max, Short Bed/ Double Cab, Standard Bed

Part #67101B

ITEM
A
B
C
DE
F
G
H
I
JK

PART
1146-700905S
1147-700906S
11240S
1150-700909S
1151-700910S
1152-700911S
1153-700912S
500640-B
5757
BO-9061330-701093S

QUANTITY
111
1
1
1
1
2
6
1
1DESCRIPTION
2.5” Stainless Passenger Side Headpipe
2.5” Stainless Driver Side Headpipe
Stainless Superflow CFT Muffler2.5” Stainless Passenger Side Extension Pipe2.5” Stainless Driver Side Extension Pipe2.5” Stainless Passenger Side Overaxle Pipe2.5” Stainless Driver Side Overaxle Pipe
Black Ceramic Tips
2.5” Clamp
Bolt Kit
2.5” Stainless 2009+ Adapter Headpipe

Thank you for purchasing our Gibson Exhaust System for your vehicle.
If you need further assistance, please do not hesitate to call our technical department at(800) 528 -3044 Monday through Friday, 8am to 5 pm.

Installation Instructions #67101B
When installing this exhaust system make sure to use proper safety precautions. Use jack stands when working under thevehicle, set parking brake, block tires and use safety glasses and gloves. Allow exhaust to cool before attempting installation.
Severe injury or burns could occur if safety measures are not taken.
SUGGESTED TOOLS: 1/2", 9/16", 15mm wrenches & sockets, WD-40, hacksaw, jack stands
1. Disconnect the negative battery cable before removal of OEM exhaust. This will allow the computer to reset and recognize
the new exhaust. Lay out the exhaust on the floor so it looks like the drawing and compare parts with manual.
2. Remove the stock exhaustat the 2-bolt flange located in
front of the muffler. Disengage
the welded hangers from theOEM rubber grommets. Use
WD-40 to help in the process.
Do not damage or remove therubber grommets as you willreuse them to mount your newsystem. Now, unbolt thetailpipe and remove exhaust.
Do not throw away stock
flange bolts, as you will reusethem.

3. Install passenger sideheadpipe #A using your stockbolts. Do not tighten. Next,
install driver side headpipe #B(2009+ models use #K) usingstock bolts. Do not tighten.
Install metal hangers into
rubber grommets.
4. Install muffler #C onto
headpipes 1.5”-2” with thelouvers facing towards theconverter. Use a jack stand tosupport the muffler. Useclamps #I to secure themuffler to the headpipes. Do
not tighten. Muffler inlet islooking into the louvers.
5. Install extension pipe #D
into muffler. Use clamp #I tosecure. Do not tighten. Next
install driver side extension
pipe #E into muffler using
clamp #I to secure. Do nottighten. Insert welded hanger
into rubber grommet.

6. Install the passenger sideoveraxle tailpipe #F to theextension pipe 1.5”-2”. Using
clamp #I to secure pipes
together. Do not tighten.
Insert welded hanger into
rubber grommet.

7. Install driver side overaxle
tailpipe #G onto extension
pipe. Use clamp #I to secure
the pipe. Do not tighten.

8. Use bolt kit #J to securetabs. Make sure driver side tab
is on the bottom. (You may
need to loosen up the sparetire and move it over for better
clearance.)

9. Install stainless steel tips.
Clamp down. When you haveeverything in place, firmly
tighten all bolts and clamps
down securely. Use stainlesssteel cleaner and a Scotch
Brite pad weekly to prevent tipfrom discoloration. Inspect all
fasteners after 25-50 miles ofoperation and re-tighten asnecessary.

GIBSON EXHAUST systems are designed on a factory stock vehicle. Any aftermarket products installed could increase the soundlevels of the exhaust. Make sure there is a 1” clearance from ALL rubber brake lines, shock boots, lines, tires, etc.
to prevent heat related damage or fire.