JBA 40-3045 - Manual

INSTALLATION INSTRUCTIONS
** Installation recommendation: JBA recommends in most case that the vehicle be taken to a reputable exhaust shop for installation.
Part No. 40-3045
2007 Chevrolet Suburban 5.3L
2007 GMC Yukon XL 5.3L
Parts List: Qty Recommended Tools:
A. Intermediate pipe 1 15mm deep socket
B. JBA Muffler 1 9/16” deep socket
C. Axle pipe 1 WD40 or similar lubricant
D. Tail pipe with tip 1 Hack saw
E. 3” U-bolt clamp 2 Pliers
F. 3” Clamp w/ hanger 1 Pry bar
A B
F
D
C
E E
12. Install the JBA muffler (B) on
the end of the intermediate pipe (A).
13. Position the 3” U-bolt clamp
over the slip connection with muffler
(B) and intermediate pipe (A).
14. Install the 3” U-bolt clamp with
hanger (F) at the rear of the JBA
muffler (B) and insert hangers into
the factory rubber isolators.
15. Position the axle pipe (C)
over the rear axle and then slip it
together with the muffler (B).
16. Fit 3” U-bolt clamp (F) over the
end connection with muffler (B) and
axle-pipe (C).
17. Install the tail pipe with tip (D)
on to end of axle pipe (C). Insert
hanger into rubber isolator.
Start:
1. Remove and inventory new JBA
exhaust system.
2. Disconnect negative battery
cable and allow vehicle to cool.
3. Spray hangers with WD40 or
equivalent lubricant.
4. Cut the factory tail pipe behind
the rear muffler hanger.
5. Remove the rear factory exhaust
hangers from the rubber isolators
and remove the tail pipe.
7. Remove the factory muffler
assembly.
8. Install the intermediate pipe (A)
9. Insert the intermediate pipe (A)
hanger into the forward rubber
isolator.
10. Temporarily snug the fasteners
connecting the intermediate pipe
(A) to the cat assembly.
19. Align the new tip of the system
for proper clearance from fender
and suspension. Secure in place by
tightening clamps (E).
20. Using a soft cloth, remove all
prints from exhaust tip.
21. 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.
2. It may be necessary to adjust the
location of the spare tire.
3. Use anti-seize on threads of
clamps.
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18. Install the 3” U-bolt clamp over
connection between tail pipe (D)
6. Remove the front muffler hanger
and axle pipe (C).
from the rubber isolator. Unbolt the
muffler assembly from the catalytic
converter assembly.
11. Slip the supplied 3” U-bolt clamp
(E) over the end of the intermedi-
ate pipe (A).
JBA Powercables™ Ignition Wires
p/n 0807
JBA recommends taking the vehicle to a muffler shop and having all slip connections tack welded. 11.29.06