Stainless Works Ford F-150 Ecoboost 2011-14 3.5L S-Tube Turbo Exhaust - Manual (Page 2)

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10. The Catback front straight pipe in the box is 55” long and should be trimmed to
length using a hacksaw on the outlet end (opposite end from welded flange) to fit
different wheelbase lengths as follows:
a. 156.5” Wheelbase (SuperCrew with 6.5’ box) – no trimming required
b. 144.5” Wheelbase (SuperCrew with 5.5’ box, SuperCab with 6.5’ box,
Regular Cab with 8.0’ box) – remove 12” from the end opposite the flange
to make overall length = 43”.
c. 125.9” Wheelbase (Regular Cab with 6.5’ box) – remove 30.5” from the
end opposite the flange to make overall length = 24.5”.
11. Install the supplied donut gasket (31556) to this front pipe.
12. Install this pipe using supplied 3/8” dia. bolts and nuts: (2) 3/8” x 2-1/2” long, (4)
flat washers, (2) nyloc nuts. Assemble and leave loose.
13. Install front 3-1/2” SS Accuseal clamp with wire hanger.
14. Install muffler.