2011 Ford Mustang Borla 3.7L 6cyl 6spd RWD SS S-Type Cat-Back Exhaust

The Borla S-Type Cat-Back is a cat-back exhaust for a 2011-2014 Ford Mustang: V6, replacing everything from behind the catalytic converters back, a bigger system than an axle-back.

Manufacturer-supplied Borla details include Borla's patented straight-through, multi-core technology, which Borla says unlocks hidden HP and increases exhaust velocity; T-304 stainless steel construction throughout; steel Borla says outlasts the cheaper T-400-series (like 409) steel some competitors use; bright chrome stainless tips; mandrel-bent tubing and CNC-controlled manufacturing for consistent flow and a precise fit; a Borla Million-Mile warranty on the system.

Fits 2011-2014 Ford Mustang: V6. Does not fit Mustang: GT, GT500, Boss 302.

This is a cat-back system, running from behind the catalytic converters to the tips; it does not touch the catalytic converters either way, so it changes sound and, per Borla, exhaust flow, not emissions equipment. Expect a louder exhaust note than stock, with some drone at certain highway RPMs possible, which is common for aftermarket exhausts. Borla does not list a dyno figure for this specific system.

Listed specifications include Type: S-Type Cat-Back; Material: T-304 stainless steel.

Use manufacturer part number 140375 to identify this exact Borla catback configuration. Match the full part number, vehicle application, sound level, pipe diameter, tip finish, active-exhaust requirement, and included section before ordering.

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