Flowmaster AMERICAN THUNDER 817699 Installation Instructions Manual

409S Stainless Steel
®
Pg 1 of 4
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) To make the removal of the stock system easier, using a hacksaw or
sawsall, cut the stock tailpipe off where it exits the muffler. Remove the
hanger at the rear of the tailpipe from the rubber mount on the vehicle and set
the tailpipe aside. This step is not mandatory, but makes removal easier.
There are retainer clips on the ends of each of the hangers that will need to
removed with pliers to allow disassembly.
3) Support the muffler with a stand and remove the two hangers at the
rear of the muffler along with the hangers in front of the muffler from the
rubber mounts on the vehicle. Then, remove the clamp on the slip connection
just behind the catalytic converter.
connection will have to be either sliced or heated in order to separate
the connection. Remove the muffler and set aside.
Trim inlet pipe #26428S according to the following measurements
4)
before placing onto the stock front pipe just behind the catalytic converter. Be
sure to line up the notch in the pipe with the tab on the front pipe. Place the
provided 3" clamp onto this connection and tighten enough to hold.
2014 Crew Cab, 6'-4" bed models: Trim 18.50"
2014 Crew Cab, 8' bed models:
5) Slide clamp hanger #459HA over the back of inlet pipe #26428S and
connect to the rubber mount on the frame located midway between the
converter and the muffler.
Technical Support (707) 544-4761
Installation Instructions for:
SYSTEM #817699
2014-2015 RAM 2500 SERIES TRUCK
5.7L HEMI · CREW CAB MODELS ONLY
DOES NOT FIT WITH FACTORY AIR-BAGS
After removing the clamp, this
No Trim
01/14/15