JBA 40-3046 - Manual

INSTALLATION INSTRUCTIONS
* Installation Recommendation: JBA recommends in most cases that the vehicle be taken to a reputable exhaust shop.
40-3046
2007 Silverado/Sierra 4.8/5.3/6.0L Crew Cab Short Bed
RECOMMENDED TOOLS: PARTS LIST:
15mm socket A. Tailpipe w/ polished tip 1
9/16” socket B. Muffler 1
C. Axle pipe 1
D. Intermediate pipe 1
E. Clamps 2
F. Hanger Clamp 1
A.
B.
C.
D.
E.
E.
F.
TO START:
1. Remove and inventory JBA exhaust.
2. Disconnect negative battery cable
and allow vehicle exhaust to cool.
3. Cut tailpipe behind muffler. Remove
tailpipe assembly from vehicle.
8. Insert hanger rod into isolator. 13. Install clamp on muffler inlet.
Tighten securely 17. Insert hanger rod into rubber
isolator. Position clamp.
4. Remove nuts attaching muffler
assembly
5. Remove hanger rods from rubber
isolators.
6. Remove muffler assembly from
vehicle
11. Slip muffler onto intermediate
pipe. Mark pipe to insure full insertion
9. Connect using factory nuts. Snug
lightly to allow adjustments later
10. Install clamp hanger into rubber
isolators.
15. Align.
14. Install axle pipe, into muffler.
19. After installation, it is recommende
that all clamps be re-tightened.
20. Tack weld all slip connections in
three spots.
21. Lower the vehicle and reattach the
negative battery cable.
NOTES:
1) It may be necessary to loosen and
realign the spare tire for proper
clearance.
2) All exhaust systems will expand abo
1" rearward when exhaust temperatur
start to rise.
3) Use Anti-seize on threads of clamps.
18. Align axle pipe and turnout.
Secure intermediate pipe flange,
hanger clamp, and turnout clamp.
d
ut
es
16. Install turn out.
7. Install new intermediate pipe.
12. Position rear clamp hanger onto
muffler outlet
Rev 5.1.07