JBA 40-9020 User Manual
Installation instructions

INSTALLATION INSTRUCTIONS
** Installation recommendation: JBA recommends in most case that the vehicle be taken to a reputable exhaust shop for installation.
40-9020
2007 Toyota FJ Cruiser 4.0L
Parts List:
Qty. Recommended Tools:
E
D
A. Intermediate pipe
1
14mm socket
B. JBA Muffler
1
Channel lock pliers
C. Turn up pipe
1
Pry bar
D. Tail pipe hanger w/ tip 1
WD40 or equivalent
E. 2-1/2” Clamp
2
F. Muffler hanger clamp 1
A
B
C
E
F
Start:
1. Remove and inventory new JBA 
exhaust system. 
2. Disconnect negative battery 
cable and allow vehicle to cool. 
3. With the vehicle raised and 
properly supported, spray WD40 or 
equivalent on the factory exhaust 
clamps and rubber isolators. 
4. Unbolt the factory tail pipe above 
the rear axle. 
6. Next unbolt the intermediate pipe 
from the catalytic converter assem-
bly. ***Save the factory hardware 
for use later in the installation. 
7. Using channel lock pliers remove 
the rear muffler hangers from the 
(2) rubber isolators and remove the 
intermediate pipe / muffler assem-
bly from the vehicle. 
10. Install the muffler clamp with 
hangers (F) into the rear (2) muffler 
hanger rubber isolators with the 
hangers shifting pipe to driver side. 
11. Insert the center inlet of the JBA 
muffler (B) onto the intermediate 
pipe (A) with the offset outlet closer 
to the center of the vehicle. Make 
sure to fully slide the two together 
and that the muffler is level and 
flat and tighten clamp (E) over the 
connection. 
15. Install the tail pipe with tip (D) 
onto the turn up pipe (C) and insert 
hanger into the rear rubber isolator. 
Make sure to fully slide the two 
together for a tight seal and proper 
alignment. 
16. Make sure the new system 
is properly aligned and their is 
adequate clearance on the rear 
bumper then tighten the 2-1/2” 
exhaust clamp (E). 
5. Using channel lock pliers remove 
the tailpipe hanger from the rear 
rubber isolator and remove the 
tailpipe from the rear. 
5. Using channel lock pliers pry the 
intermediate pipe hangers from the 
factory rubber isolators. 
8. Insert the JBA intermediate pipe 
(A) hangers into the (2) rubber 
isolators then bolt the intermediate 
pipe to the factory catalytic con-
verter assembly using the factory 
hardware. 
9. Slide one of the supplied 2-1/2” 
exhaust clamps (E) over the end of 
the JBA intermediate pipe (A). 
12. Slip the rear offset end of the 
JBA muffler (B) into the muffler 
clamp with hangers (F). The offset 
end of the muffler should be toward 
the center of the vehicle. 
13. Slip the turn up pipe (C) onto 
the JBA muffler (B). Position muffler 
clamp with hangers (F) over con-
nection and tighten. 
14. Slide the supplied 2-1/2” 
exhaust clamp (E) on to the turn up 
pipe (C). 
JBA recommends taking the vehicle to a muffler shop and having all slip connections tack welded.
17. Using a soft cloth, remove all 
prints from exhaust tip. 
18. Check all clamps and con-
nections for proper fit and align-
ment. Double check all clamps are 
tightened and that all hangers are 
secure in rubber grommets. It is 
recommended that after installation 
of the exhaust system you have all 
slip connections tack welded by a 
muffler shop. 
NOTES: 
1. All exhaust systems expand 
about 1” rearward when exhaust 
temperature rises. 
Other recommended products:
Get even power for your FJ with 
a set of smog legal stainless steel 
JBA Cat4ward® headers. 
Part No. 
Application
2035S
2007 4.0L stainless
2035SJS 2007 4.0L silver ceramic 
2035SJT 2007 4.0L titanium ceramic 
For more information visit us online 
at www.jbaexhaust.com 
9.18.06
