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409S
Stainless Steel
®
Removal:
1)
Raise the vehicle up on a hoist or rack to working height. If you do not have access to a hoist
or rack raise the vehicle and support securely with jack stands.
2)
Using a 12mm socket, unbolt the tailpipe connection where it exits the muffler. Separate the
wire hanger on the tailpipe from the rubber mount on the vehicle. Remove the tailpipe and set aside.
3)
Support the muffler with a stand, then using a 14mm socket unbolt the 4 bolts at the two front
flanged connections. Separate the wire hangers in front and rear of the muffler from the rubber
mounts on the vehicle. Remove the muffler inlet pipe assembly and set aside. Save the 4 factory
bolts, they will be reused in Installation step 1.
Installation:
1)
Place the inlet pipes #86091S and #86092S into position, and fasten the flanged connections
together using the nuts, bolts and washers included in the hardware pack. Next, place the supplied
left inlet pipe clamp hanger #384HA and the right inlet pipe clamp hanger #353HA onto the inlet pipes
and into the factory rubber mounts on the vehicle.
2)
Place two supplied 2 ½" clamps over the inlets of the muffler, and then slip the muffler onto the
back of the inlet pipes. Use a stand to support the muffler. Tighten clamps enough to hold in place
but still allow for adjustment.
3)
Install the left rear frame hanger #354HA across from the center of the spare tire. Locate a
square cavity on the left rear frame rail. Look up into this cavity and locate the large hole at the top of
the frame. Install the #HA566 backing plate on the top side of the frame, then place the #354HA
hanger assembly up into the cavity using the washers and nut provided. Tighten the hanger firmly
using a 9/16" socket or wrench, slide the supplied rubber hanger #HA168 onto the end of the #354HA
hanger rod. Once the hanger assembly is bolted into place correctly it will face the rear of the vehicle
(see picture).
4)
Place two of the supplied 2 ½" clamps over the outlets of the muffler; then place right tailpipe
#16543S into position over the rear axle, and slide into the right muffler outlet. Connect the hanger
that is welded to the rear of the pipe into the factory rubber hanger.
Installation Instructions for:
SYSTEM #817664
2009*-2014 TOYOTA TUNDRA TRUCKS
*BUILT AFTER 08/2008
4.6L & 5.7L V-8 I-FORCE ENGINES
*ALL EXCEPT STANDARD CAB/SHORT BED &
DOUBLE CAB/LONG BED*
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Summary of Contents for Flowmaster American Thunder 817664
- Page 1 Installation Instructions for: SYSTEM #817664 2009*-2014 TOYOTA TUNDRA TRUCKS *BUILT AFTER 08/2008 4.6L & 5.7L V-8 I-FORCE ENGINES *ALL EXCEPT STANDARD CAB/SHORT BED & DOUBLE CAB/LONG BED* 409S Stainless Steel ® Removal: Raise the vehicle up on a hoist or rack to working height. If you do not have access to a hoist or rack raise the vehicle and support securely with jack stands.
- Page 2 Place left front section of tailpipe #16542S into position over the rear axle and slide the hanger on the pipe into the factory rubber mount on the vehicle while sliding into the left muffler outlet. Then place supplied clamp over the back of the rear section. Then place left rear section tailpipe into the front section tailpipe.
- Page 3 PACKING LIST Description Part # Muffler 8525404-319 Inlet Pipe Left 86092S Inlet Pipe Right 86091S Tailpipe, Right 16543S Tailpipe, Left Front 16542S Tailpipe, Left Rear 16544S Rear Exit pipes R/L 16546S Side Exit Pipes R/L 16547S Stainless Tips ST461 Parts Kit PK502 2 ½"...
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Page 4: Stainless Steel
Installation diagram for: SYSTEM #817664 2009*-2014 TOYOTA TUNDRA TRUCKS *BUILT AFTER 08/2008 4.6L & 5.7L V8 I-FORCE ENGINE *ALL EXCEPT STANDARD CAB/SHORT BED & DOUBLE CAB/LONG BED* 409S Stainless Steel ® EXHAUST SYSTEMS FLOWMASTER PERFORMANCE EXHAUST...