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Gibson 615549 User manual

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INSTRUCTION MANUAL
CAT BACK 4” SINGLE STAINLESS EXHAUST
01-06 SILVERADO, SIERRA TRUCK 2500HD/3500
6.0L, 8.1L, 2/4WD
EXTENDED CAB-SHORT BED
PART # 615549
ITEM PART # QUANTITY DESCRIPTION
A 514-700392S 1 3” S/S PSGR. HEADPIPE W/WELDED HANGER
B 515-700393S 1 3” S/S DRIVER SIDE HEADPIPE
C 788050S 1 STAINLESS SUPERFLOW MUFFLER
D 777-700545S 1 4” S/S OVERAXLE TAILPIPE
E 778-700542S 1 4” S/S EXIT PIPE
F 500401 1 5” STAINLESS TIP
G OHD300 4 3” CLAMPS
H 4228 1 BAND CLAMP
I 4171 2 4” CLAMP
J BO-1015 1 BOLT KIT FOR BAND CLAMP
THANK YOU FOR CHOOSING OUR GIBSON PERFORMANCE EXHAUST FOR YOUR VEHICLE. IF
YOU NEED FURTHER ASSISTANCE, PLEASE DO NOT HESITATE TO CALL OUR TECHNICAL
DEPARTMENT AT (800) 528-3044, MONDAY THROUGH FRIDAY,
8:00 AM TO 5:00 PM. 0605
G G H,J
F
A
G B G C I D I E
EXHAUST INSTALLATION #615549
WHEN INSTALLING THIS EXHAUST SYSTEM MAKE SURE TO USE PROPER SAFETY
PRECAUTIONS. USE JACK STANDS WHEN UNDER THE TRUCK, SET PARKING BRAKE,
BLOCK TIRES AND USE SAFETY GLASSES AND GLOVES.
DO NOT WORK WITH HOT PIPES!!!
SUGGESTED TOOLS
9/16”, 1/2” SOCKET & WRENCH, JACK STANDS, WD-40, HACKSAW OR SAWZALL
LAY OUT THE EXHAUST AND COMPARE PART NUMBERS WITH THE DRAWING
TO REMOVE STOCK
EXHAUST, CUT 13” FROM
THE FRONT OF THE
MUFFLER,
MEASURE TOWARDS THE FRONT
OF THE VEHICLE. LEAVE ALL
RUBBER GROMMETS ON THE
HANGER. USE WD-40 TO AID IN
THE REMOVAL OF EXHAUST
AND HANGERS.
SLIDE PASSENGER SIDE
HEADPIPE #A ONTO STOCK
HEADPIPE. INSERT WELDED
HANGER INTO RUBBER
GROMMET. NEXT INSTALL
DRIVERS SIDE HEADPIPE #B
ONTO STOCK HEADPIPE, USE
CLAMP #G TO SECURE BOTH
HEADPIPES, DO NOT TIGHTEN.
SLIDE MUFFLER #C ONTO
HEADPIPES 1-1/2” TO 2”.
USE A JACK STAND TO
SUPPORT MUFFLER.
MAKE SURE YOU HAVE A MINIMUM OF A 1” CLEARANCE AWAY FROM ALL RUBBER BRAKE
LINES, TIRES, SHOCKS, FUEL LINES, ETC.
NEXT, INSTALL BAND
CLAMP # H ONTO
MUFFLER INSERT HANGER
INTO RUBBER GROMMET.
USE BOLT KIT PROVIDED
FOR BAND CLAMP, DO
NOT TIGHTEN.
NEXT, INSTALL
OVERAXLE TAILPIPE
# D INTO MUFFLER
1-1/2”- 2”. USE CLAMP
# I TO SECURE PIPE
TO MUFFLER, DO
NOT TIGHTEN.
SLIDE EXIT PIPE # E
ONTO OVERAXLE
TAILPIPE INSERT
WELDED HANGER
INTO RUBBER
GROMMET. USE
CLAMP # I TO SECURE
PIPES TOGETHER. DO
NOT TIGHTEN. ROTATE
PIPE UNTIL LEVEL.
INSTALL YOUR
STAINLESS TIP TO
YOUR DESIRED LOOK,
THEN GO BACK AND
TIGHTEN ALL CLAMPS,
NUTS, AND BOLTS.