INSTALLATION INSTRUCTIONSINSTALLATION INSTRUCTIONSINSTALLATION INSTRUCTIONSINSTALLATION INSTRUCTIONS
**Inst**Inst**Inst**Inst allation recommendation:allation recommendation:allation recommendation:allation recommendation:
JBA recommends in most cases that the vehicle be taken to a reputable exhaust shop.JBA recommends in most cases that the vehicle be taken to a reputable exhaust shop.JBA recommends in most cases that the vehicle be taken to a reputable exhaust shop.JBA recommends in most cases that the vehicle be taken to a reputable exhaust shop.
1994-95 Chevrolet/GMC
Suburban 2&4 WD, F/S
V8-5.7L
TOOLS RECOMMENDED:
9/16 deep socket
3/8î ratchet
3/8" short extension
15mm deep socket
rubber mallet
spray lubricant or penetrating oil
1994-95 Chevrolet/GMC
Suburban 2&4 WD, F/S
V8-5.7L
TOOLS RECOMMENDED:
9/16 deep socket
3/8î ratchet
3/8" short extension
15mm deep socket
rubber mallet
spray lubricant or penetrating oil
1994-95 Chevrolet/GMC
Suburban 2&4 WD, F/S
V8-5.7L
TOOLS RECOMMENDED:
9/16 deep socket
3/8î ratchet
3/8" short extension
15mm deep socket
rubber mallet
spray lubricant or penetrating oil
1994-95 Chevrolet/GMC
Suburban 2&4 WD, F/S
V8-5.7L
TOOLS RECOMMENDED:
9/16 deep socket
3/8î ratchet
3/8" short extension
15mm deep socket
rubber mallet
spray lubricant or penetrating oil
Part s List
A. Head pipe 1
B. Muffler 24", oval 1
C. Tail pipe with hangers 1
D. Turn out 1
E. Front muffler 3" clamp 1
F. Rear muffler 3" clamp 1
G. Turn out 3" clamp 1
Part s List
A. Head pipe 1
B. Muffler 24", oval 1
C. Tail pipe with hangers 1
D. Turn out 1
E. Front muffler 3" clamp 1
F. Rear muffler 3" clamp 1
G. Turn out 3" clamp 1
Part s List
A. Head pipe 1
B. Muffler 24", oval 1
C. Tail pipe with hangers 1
D. Turn out 1
E. Front muffler 3" clamp 1
F. Rear muffler 3" clamp 1
G. Turn out 3" clamp 1
Part s List
A. Head pipe 1
B. Muffler 24", oval 1
C. Tail pipe with hangers 1
D. Turn out 1
E. Front muffler 3" clamp 1
F. Rear muffler 3" clamp 1
G. Turn out 3" clamp 1
C
F
B
E
A
D
G
C
F
B
E
A
D
G
C
F
B
E
A
D
G
C
F
B
E
A
D
G
anti-seizeanti-seizeanti-seizeanti-seize
reciprocating saw or hack sawreciprocating saw or hack sawreciprocating saw or hack sawreciprocating saw or hack saw
ppppair of channel lock pliers, 10"air of channel lock pliers, 10"air of channel lock pliers, 10"air of channel lock pliers, 10"
TTTTO STO STO STO STARTARTARTART::::
2. Disconnect negative battery cable and2. Disconnect negative battery cable and2. Disconnect negative battery cable and2. Disconnect negative battery cable and
allow vehicle exhaust to cool.allow vehicle exhaust to cool.allow vehicle exhaust to cool.allow vehicle exhaust to cool.
1. Remove and inventory new JBA1. Remove and inventory new JBA1. Remove and inventory new JBA1. Remove and inventory new JBA
exhaust.exhaust.exhaust.exhaust.
8. S8. S8. S8. Spray lubricant on mufpray lubricant on mufpray lubricant on mufpray lubricant on muffler hangerfler hangerfler hangerfler hanger
grommet.grommet.grommet.grommet.
14. Inst14. Inst14. Inst14. Install 3" clamp (E) over slip joint inall 3" clamp (E) over slip joint inall 3" clamp (E) over slip joint inall 3" clamp (E) over slip joint in
front of muffront of muffront of muffront of muffler (B) and tighten completelyfler (B) and tighten completelyfler (B) and tighten completelyfler (B) and tighten completely....
NOTE:NOTE:NOTE:NOTE: use anti-seize on threads.use anti-seize on threads.use anti-seize on threads.use anti-seize on threads.
20. Inst20. Inst20. Inst20. Install turnout (D) over end ofall turnout (D) over end ofall turnout (D) over end ofall turnout (D) over end of
ttttailpipe (C) making sure slip joint isailpipe (C) making sure slip joint isailpipe (C) making sure slip joint isailpipe (C) making sure slip joint is
bottomed out completelybottomed out completelybottomed out completelybottomed out completely....
3. With vehicle raised and properly sup-3. With vehicle raised and properly sup-3. With vehicle raised and properly sup-3. With vehicle raised and properly supported, using a reciprocating saw or hack-ported, using a reciprocating saw or hack-ported, using a reciprocating saw or hack-ported, using a reciprocating saw or hacksawsawsawsaw, cut the pipe approximately 3" behind, cut the pipe approximately 3" behind, cut the pipe approximately 3" behind, cut the pipe approximately 3" behind
9. Using channel lock pliers,9. Using channel lock pliers,9. Using channel lock pliers,9. Using channel lock pliers,
remove hanger rod from bottomremove hanger rod from bottomremove hanger rod from bottomremove hanger rod from bottom
hole of rubber grommet.hole of rubber grommet.hole of rubber grommet.hole of rubber grommet.
15. S15. S15. S15. Sttttarting from rear of vehicle, instarting from rear of vehicle, instarting from rear of vehicle, instarting from rear of vehicle, installallallall
ttttailpipe (C) with single bend hangerailpipe (C) with single bend hangerailpipe (C) with single bend hangerailpipe (C) with single bend hanger
towards front of vehicle.towards front of vehicle.towards front of vehicle.towards front of vehicle.
21. Position 3" clamp (G) over slip21. Position 3" clamp (G) over slip21. Position 3" clamp (G) over slip21. Position 3" clamp (G) over slip
joint and hand tightenjoint and hand tightenjoint and hand tightenjoint and hand tighten
rear of mufrear of mufrear of mufrear of mufflerflerflerfler....
16. Inst16. Inst16. Inst16. Install tall tall tall tail pipe (C) into slip joint onail pipe (C) into slip joint onail pipe (C) into slip joint onail pipe (C) into slip joint on
mufmufmufmuffler (B) making sure the slip joint isfler (B) making sure the slip joint isfler (B) making sure the slip joint isfler (B) making sure the slip joint is
bottomed out completelybottomed out completelybottomed out completelybottomed out completely....
22. Position turn out (D) to desired22. Position turn out (D) to desired22. Position turn out (D) to desired22. Position turn out (D) to desired
location.location.location.location.
4. S4. S4. S4. Spray lubricant on front and rearpray lubricant on front and rearpray lubricant on front and rearpray lubricant on front and rear
ttttail pipe hanger rubber grommetail pipe hanger rubber grommetail pipe hanger rubber grommetail pipe hanger rubber grommets.s.s.s.
5. Using a p5. Using a p5. Using a p5. Using a pair of channel lock pliers,air of channel lock pliers,air of channel lock pliers,air of channel lock pliers,
remove hanger rods from bottom hole ofremove hanger rods from bottom hole ofremove hanger rods from bottom hole ofremove hanger rods from bottom hole of
front and rear rubber grommetfront and rear rubber grommetfront and rear rubber grommetfront and rear rubber grommets.s.s.s.
10. Disengage and remove muf10. Disengage and remove muf10. Disengage and remove muf10. Disengage and remove mufflerflerflerfler
assemblyassemblyassemblyassembly....
11111. Inst1. Inst1. Inst1. Install head pipe (A) hanger intoall head pipe (A) hanger intoall head pipe (A) hanger intoall head pipe (A) hanger into
bottom hole of rubber grommet.bottom hole of rubber grommet.bottom hole of rubber grommet.bottom hole of rubber grommet.
17. Inst17. Inst17. Inst17. Install the front and then the rearall the front and then the rearall the front and then the rearall the front and then the rear
hanger on thanger on thanger on thanger on tail pipe (C) into the bottomail pipe (C) into the bottomail pipe (C) into the bottomail pipe (C) into the bottom
hole of rubber grommethole of rubber grommethole of rubber grommethole of rubber grommets..s..s..s..
24. Using a sof24. Using a sof24. Using a sof24. Using a soft cloth, remove all printt cloth, remove all printt cloth, remove all printt cloth, remove all printssss
from turnout tip (D).from turnout tip (D).from turnout tip (D).from turnout tip (D).
25. Re-att25. Re-att25. Re-att25. Re-attach negative battery cable.ach negative battery cable.ach negative battery cable.ach negative battery cable.
26.26.26.26. AfAfAfAfter instter instter instter installation, it is recommendedallation, it is recommendedallation, it is recommendedallation, it is recommended
that all clampthat all clampthat all clampthat all clamps be retightened and joints be retightened and joints be retightened and joints be retightened and jointssss
be tbe tbe tbe tack welded in three spotack welded in three spotack welded in three spotack welded in three spots.s.s.s.
23. Once t23. Once t23. Once t23. Once tailpipe (C) and turnout (D) areailpipe (C) and turnout (D) areailpipe (C) and turnout (D) areailpipe (C) and turnout (D) are
in desired location, tighten 3" clampin desired location, tighten 3" clampin desired location, tighten 3" clampin desired location, tighten 3" clamps (F)s (F)s (F)s (F)
and (G) using a 9/16" socket.and (G) using a 9/16" socket.and (G) using a 9/16" socket.and (G) using a 9/16" socket.
NOTE:NOTE:NOTE:NOTE: use anti-seize on threads.use anti-seize on threads.use anti-seize on threads.use anti-seize on threads.
NOTES:NOTES:NOTES:NOTES:
1) It may be necessary to loosen and1) It may be necessary to loosen and1) It may be necessary to loosen and1) It may be necessary to loosen and
realign the sprealign the sprealign the sprealign the spare tire for properare tire for properare tire for properare tire for proper
clearance.clearance.clearance.clearance.
2)2)2)2) All exhaust systems will expAll exhaust systems will expAll exhaust systems will expAll exhaust systems will expandandandand
about 1î rearward when exhaustabout 1î rearward when exhaustabout 1î rearward when exhaustabout 1î rearward when exhaust
temperature sttemperature sttemperature sttemperature start to rise.art to rise.art to rise.art to rise.
6. Remove t6. Remove t6. Remove t6. Remove tailpipe assembly from rearailpipe assembly from rearailpipe assembly from rearailpipe assembly from rear
of vehicle.of vehicle.of vehicle.of vehicle.
12. Using existing hardware, inst12. Using existing hardware, inst12. Using existing hardware, inst12. Using existing hardware, installallallall
head pipe flange (A) to exhaust flangehead pipe flange (A) to exhaust flangehead pipe flange (A) to exhaust flangehead pipe flange (A) to exhaust flange
on the vehicle using a 15mm socketon the vehicle using a 15mm socketon the vehicle using a 15mm socketon the vehicle using a 15mm socket
and tighten completelyand tighten completelyand tighten completelyand tighten completely....
18. Inst18. Inst18. Inst18. Install 3" clamp (F) over slip joint andall 3" clamp (F) over slip joint andall 3" clamp (F) over slip joint andall 3" clamp (F) over slip joint and
hand tighten only at this time.hand tighten only at this time.hand tighten only at this time.hand tighten only at this time.
NOTE:NOTE:NOTE:NOTE: use anti-seize on threads.use anti-seize on threads.use anti-seize on threads.use anti-seize on threads.
19. Slide the 3" clamp (G) over the end19. Slide the 3" clamp (G) over the end19. Slide the 3" clamp (G) over the end19. Slide the 3" clamp (G) over the end
of tof tof tof tail pipe (C).ail pipe (C).ail pipe (C).ail pipe (C).
3) Use3) Use3) Use3) Use Anti-seize on threads ofAnti-seize on threads ofAnti-seize on threads ofAnti-seize on threads of
clampclampclampclamps.s.s.s.
7. Using a 15mm deep socket, remove7. Using a 15mm deep socket, remove7. Using a 15mm deep socket, remove7. Using a 15mm deep socket, remove
front head pipe flange nutfront head pipe flange nutfront head pipe flange nutfront head pipe flange nuts.s.s.s.
13.Inst13.Inst13.Inst13.Install mufall mufall mufall muffler (B) over head pipefler (B) over head pipefler (B) over head pipefler (B) over head pipe
(A) with JBA logo facing rear of vehi-(A) with JBA logo facing rear of vehi-(A) with JBA logo facing rear of vehi-(A) with JBA logo facing rear of vehicle making sure slip joint is bottomedcle making sure slip joint is bottomedcle making sure slip joint is bottomedcle making sure slip joint is bottomed
out completelyout completelyout completelyout completely.... NOTE:NOTE:NOTE:NOTE: you may needyou may needyou may needyou may need
to tto tto tto tap the mufap the mufap the mufap the muffler with a rubber mallet.fler with a rubber mallet.fler with a rubber mallet.fler with a rubber mallet.
17098170981709817098
WWWWe recommend taking the truck to a muffler shop and having all slip connections tack welded.e recommend taking the truck to a muffler shop and having all slip connections tack welded.e recommend taking the truck to a muffler shop and having all slip connections tack welded.e recommend taking the truck to a muffler shop and having all slip connections tack welded.
40-3018
041907
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