
GP125S-1
STAINLESS HEADER
HAS NO EGR FITTING
FORD EXCURSION 6.8L-V-10 2/4WD
FORD SUPERDUTY TRUCK
F250HD/F350 6.8L-V10 2/4WD
GIBSON HEADERS ARE 50 STATE SMOG LEGAL
2/2 Thank you very much for purchasing our Gibson header
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 a.m. to 5:00 p.m. PST.
1270 WEBB CIRCLE CORONA, CA 92879

WHEN THESE INSTRUCTIONS ARE FOLLOWED PRECISELY, YOU
WILL FIND THE INSTALLATION OF YOUR EXHAUST SYSTEM TO
BE RELITIVELY SIMPLE. WE CANNOT OVER EMPHASIZE THE
IMPORTANCE OF ADHERING STRICTLY TO THIS PROVEN
APPROACH, AS IT WILL VIRTUALLY ELIMINATE ANY
DIFFICULTIES, WHICH YOU MIGHT OTHERWISE ENCOUNTER.
NOTE: INSTALLATION OF HEADERS ON VEHICLES WITH
CATALYTIC CONVERTERS AND/OR OTHER EMISSION CONTROL
EQUIPMENT MUST BE ACCOMPLISHED IN ACCORDANCE WITH
ALL GOVERNMENT REGULATIONS PERTAINING TO SUCH
EMISSIONS STANDARDS.
WARNING: MAKE CERTAIN YOU HAVE ENOUGH CLEARANCE
AROUND BRAKE, FUEL, AND ELECTRICAL LINES, ETC. IN SOME
CASES, IT MAY BE NECESSARY TO RELOCATE ITEMS WHICH
MIGHT BE ADVERSELY AFFECTED BY EXHAUST HEAT.
WARNING: INSTALLATION OF ANY TYPE OF "WRAPPING"
MATERIAL ONTO THE HEADERS WILL DESTROY THE HEAT
DISSIPATION PROPERTIES OF THE TUBING, CAUSING
PREMATURE DETERIORATION OF THE METAL AND SUBSEQUENT
FAILURE. USE OF ANY "WRAPPING" MATERIAL WILL VOID THE
WARRANTY.

SUGGESTED TOOLS
7/16” WRENCHES (VARIOUS LENGTHS)
7/16” SOCKETS (SHALLOW AND DEEP)
½” WRENCHES (VARIOUS LENGTHS)
9/16” SOCKETS (SHALLOW AND DEEP)
5/8” SPARK PLUG SOCKET
7/8” OPEN END WRENCH
15MM DEEP SOCKET
15MM BOX END WRENCH
31MM OPEN END WRENCH (A LINE WRENCH)
3”, 6”, AND 12” EXTENSIONS FOR SOCKETS
SCREWDRIVERS AND/OR NUT DRIVERS (FOR HOSE CLAMPS)
SAWZALL (HAND –HELD POWER HACK SAW)
LUG NUT WRENCH
HIGH TEMP SILICONE (ULTRA COPPER BY PERMATEX)
GOOD RUST PENETRANT