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INSTRUCTION MANUAL
CAT BACK DUAL SPORT EXHAUST
01-04 SILVERADO /SIERRA TRUCK 2500HD 3500HD
8.1L-V8 2/4WD
CREW CAB, LONG BED
PART # 5206
G A G I E F F
G B G C H D J
ITEM PART # QUANTITY DESCRIPTION
A 700343 1 3” PSGR. HEADPIPE W/WELDED HANGER
B 700329 1 3” DRIVER SIDE HEADPIPE
C 766300 1 SUPERFLOW MUFFLER
D 700330 1 2-1/2” DRIVERSIDE TAILPIPE W/HANGER
E 700331 1 2-1/2” PASSENGER TAILPIPE
F 500374 2 3 ½” STAINLESS TIPS
G OHD300 4 3” CLAMPS
H 4164 1 2-1/2” HANGER FOR MUFFLER D/S
I 5757 1 2-1/2” CLAMP
J BO-906 1 BOLT KIT FOR TAILPIPE
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. 1005
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EXHAUST INSTALLATION #5206
,
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
15MM SOCKET & WRENCH, 9/16”,7/16”,1/2” SOCKET & WRENCH, JACK STANDS, WD-40, HACKSAW
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
HEADPIPES, DO NOT
TIGHTEN.
SLIDE MUFFLER #C ONTO
HEADPIPES 1-1/2” TO 2”.
OUTLETS SHOULD BE AT
THE BOTTOM, USE A
JACK STAND TO
SUPPORT MUFFLER AND
CONNECT WITH CLAMPS
#G. INSTALL CLAMP #H
INTO RUBBER GROMMET
JUST ABOVE DRIVERS
SIDE OF MUFFLER
OUTLET. YOU WILL USE
THIS CLAMP TO SECURE
SLIDE PASSENGER SIDE
TAILPIPE #E INTO OUTLET
OF MUFFLER 1-1/2” TO 2”.
USE CLAMP #I TO SECURE
TAILPIPE TO MUFFLER.
DO NOT TIGHTEN.
SLIDE DRIVERS SIDE
TAILPIPE #D INTO
MUFFLER 1-1/2” TO 2”.
INSERT WELDED
HANGER INTO
RUBBER GROMMET
AND ATTACH TO
MUFFLER USING
CLAMP #H. THE
PASSENGER SIDE
TAILPIPE WILL BE ON
THE BOTTOM.
ATTACH BOTH
TAILPIPES TOGETHER
WITH BOLT KIT #J.
INSTALL YOUR
STAINLESS STEEL
TIPS. TO CLEAN TIPS
USE A SCOTCH BRITE
PAD AND ANY
STAINLESS OR
ALUMINUM CLEANER.
AFTER YOU HAVE
CHECKED FOR
CLEARANCES GO
BACK AND TIGHTEN
ALL NUTS, BOLTS
AND CLAMPS.
“MAKE SURE YOU HAVE A MINIMUM OF 1” CLEARANCE ON ALL PIPES
FROM BRAKE AND FUEL LINES
TIRES, SHOCKS, ETC…”
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