Banks Power GM Motorhomes: (Gas ’01 - 10 8.1L Workhorse) PowerPack &Stinger systems '00-07 Class-A MH, W-series - Manual (Page 8)

to the 2-bolt flange on the
intermediate pipe. Install
the 2-bolt flange of the
muffler inlet pipe onto the
2-bolt flange on the left-side
intermediate pipe. Use (1)
2-bolt gasket, (2)
7 ⁄
16
-20 x 1 1 ⁄
2
”
bolts, (2) crimplock nuts, and
(4)
7 ⁄
16
SaE washers for each
flanged joint.
31.
Install the supplied frame
mounted muffler hanger
inboard of the frame rail using
the (2) M12x1.75x40mm bolts
through the two holes in the
frame rail approximately 3
inches in front of the frame
cross member (see Figure
8 ). If the tailpipe is to exit
the left-side install the frame
mounted tailpipe hanger
outboard of the frame rail
using the same M12 bolts.
Place a
1 ⁄
2
” SaE washer over
the end of the M12 bolt and
thread a M12 nut onto the
end of each bolt. Tighten
the nuts and bolts. Remove
the rubber hanger used by
the factory for its muffler
hanger and install it on the
Banks frame mounted muffler
hanger.
32.
Slide a 3-inch clamp
onto the crossover pipe and
muffler inlet pipe. With the
unshielded portion of the
muffler facing the driveshaft
insert the muffler hanger into
the rubber hanger. Make sure
the two inlets to the muffler
are vertical. Push the muffler
forward and hold. Make sure
Figure 8
Figure 9
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