Banks Power GM Motorhomes: (Gas ’01 - 10 8.1L Workhorse) PowerPack & Stinger systems '05 & Later Class-A MH, W-24 chassis - Manual (Page 9)

21.
To remove the factory tailpipes
and mufflers, unbolt the 2-bolt flanges
at the front of each muffler (see Figure
7). Remove the muffler and tailpipe
hanger pins from the motorhome’s
rubber grommets. Remove the factory
muffler & tailpipe assemblies.
22.
Insert the crossover pipe hanger
into the rubber hanger previously used
for the front hanger on the right-side
muffler. Using the 7 ⁄
16
” hardware, and
supplied 2-bolt gasket, bolt the 2-bolt
crossover pipe flange to the catalytic
converter outlet intermediate pipe.
23.
Install the muffler inlet pipe and
2-bolt gasket onto the left catalytic
converter outlet intermediate pipe.
Attach using the 7 ⁄
16
” hardware.
24.
Install the Banks muffler hanger
bracket (with barbed pin) inside of
the frame rail using the (2) M12-
1.75x40mm bolts through the two
holes in the frame rail approximately
3 inches in front of the frame cross
member (see Figure 8). For right exit
systems, tighten the M12 hardware.
25.
For left exit exhaust systems:
Install the Banks tailpipe hanger
bracket (with stud) outside of the left
frame rail using the same M12 bolts as
for the inside hanger bracket. Tighten
the supplied M12 hardware. Remove
FACTORY
HEAT
SHIELDS
FACTORY
3” CLAMPS
FORWARD
BANKS LEFT
HEAD PIPE
FACTORY
HEAT SHIELDS
CLAMP ASSEMBLY
BANKS
TORQUE TUBE
DRIVE SHAFT
ABS MODULE
AREN
SHIFTER
Figure 6
96438 v.2.0
9