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Injen Cat-Back Exhaust System 2013-2017 Focus ST (Stainless Steel)
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Injen Cat-Back Exhaust System 2013-2017 Focus ST (Stainless Steel)

Injen
SES9001TT
$1,015.79 $893.90

Vastly Improved Power Throughout the RPM Band

$893.90

Injen Cat-Back Exhaust System 2013-2017 Focus ST (Stainless Steel)

Vastly Improved Power Throughout the RPM Band

While the 2013-2017 Focus ST comes with an impressive amount of power from the factory, there's always room for improvement. Unlock your ST's hidden potential with Injen's Cat-Back Exhaust System. Mandrel-bent stainless steel tubing replaces your restrictive factory exhaust pipes to reduce backpressure and improve horsepower and torque. You'll also hear a deep, aggressive growl when you step on the throttle without excessive drone at cruising.

Mandrel-Bent 304 Stainless Steel Tubing

Injen designs and constructs this Cat-Back Exhaust System with 304 stainless steel that's tig-welded for unparalleled corrosion resistance, strength and durability. The system is capped off with dual titanium tips with the Injen logo embossed on the sides for a touch of custom styling. This direct bolt-on replacement exhaust system has been custom-designed for the 2013-2017 Focus ST to improve exhaust efficiency and boost horsepower and torque in the process. All the O2 bungs in the Injen Cat-Back Exhaust System are in the same locations as the original exhaust system for easy installation.
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