Focus ST Flowmaster American Thunder Cat-Back Exhaust System Installation 2013-2014
This Flowmaster American Thunder Stainless Steel Cat-Back Exhaust System is for the 2013-2014 Focus ST. It
features 2-1/4" mandrel bent stainless steel tubing and delivers a moderate
to aggressive Exhaust sound. Also,
dual polished oval 3-1/4"x3-3/4" tips exit the center of the rear bumper,
and the system is Dyno
tuned for maximum performance.
Flowmaster's cat-back bolts in place of your original Exhaust. For installation, you'll first want to
remove the stock system, and then the rear muffler and tip assembly. Put
your new Flowmaster Exhaust up into
place on the Focus and after that the s-shaped pipe. Then, install the
tailpipe, hooking it up to the original hanger, and then move on to the
tailpipe. Tighten all bolts, secure the Exhaust tips, and return the front brace,
finishing up your installation.
The American Thunder cat-back is perfect for the person looking for
moderate to aggressive sound levels with all of the performance benefits
that you would expect from Flowmaster. Total installation takes around two
See more Flowmaster Parts from CJ Pony Parts:
Sound Testing Hushpower Pro Series Mufflers
These Hushpower Pro Series mufflers can be used on a wide variety of
applications. During rigorous testing, they consistently delivered
performance equal to or better than open pipe systems, while dramatically
reducing sound levels across the rpm range. Hushpower Pro Series mufflers
feature T409 stainless steel internal construction covered by an outer case
manufactured from durable 18-gauge black aluminized steel.
Flowmaster Muffler Comparison
A raw test of 7 different Flowmaster mufflers on one motor.
The Motor -
Small Block Chevy 406, 11:1 compression, Crane Solid Roller Camshaft,
Brodix heads with 2.05- 1.60 titanium valves, Eagle 4340 Crank, Eagle H
beam Rods, Manley Forged pistons, Victor Jr Intake manifold, 850 Holley DP,
K&N air filter, Moroso 7 qt. pan, 1 7/8 headers, BE COOL radiator with dual
13 inch fans, MSD distributor, MSD coil and MSD 6AL box.
Exhaust - Flowmaster 3 inch Scavenger