COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016

COBB: 591301
CJ's Low Price:
$1,349.00
1481068800 44024
When installing your turbo-back exhaust system, these parts make for a great addition to fine tune your Focus and push her to the next level!
CJ's Low Price:
$54.99
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CJ's Low Price:
$159.00
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COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016
COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 Play COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 Video 1 Play COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 Video 2
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Product Description

COBB 3" Stainless Steel Turbo-Back Exhaust System with Catalytic Converter and Dual 4" Tips for 2013, 2014, 2015 and 2016 Focus STs.

COBB's 3" Stainless Steel Catted Dual Tip Turbo-Back Exhaust System is a direct replacement system for your 2013-2016 Focus ST. The exhaust 591301 features full 304 stainless steel construction, a high flow catalytic converter, custom inline mufflers and dual 4" double wall stainless steel tips. Installation of this system results in a drone-free and unique exhaust note.

This 591301 COBB 3" Stainless Steel Turbo-Back Exhaust System with Catalytic Converter and Dual 4" Tips includes a COBB 3" downpipe and 3" cat-back pipe put together in a kit for a complete bolt-on exhaust system. Full stainless steel construction means the COBB turbo-back holds up extremely well under the stress and assault of the elements. Beautiful TIG welds seal all lines perfectly, resulting in zero exhaust leaks. CNC mandrel bent tubing creates the perfect fit every time for a no-hassle installation.

The downpipe is 3" in diameter with a 4" flex section. The COBB downpipe features a 200 cell count Magnaflow catalytic converter. This high flowing cat decreases restriction for better exhaust flow. The COBB downpipe bolts up to your factory turbo with a V-band flange. Although a 2-1/2" gasket is included to bolt-up to a factory cat-back, the 3" gasket is used to connect to the COBB cat-back for a perfect seal and unrestricted flow.

Please Note: Ford designed the 2015 Focus ST with four exhaust hangers but only added three on the factory exhaust system. All aftermarket exhaust systems are built to use that fourth exhaust hanger. CJ Pony Parts recommends the purchase of COBB’s Polyurethane Exhaust Hanger Kit (591001).

COBB custom inline mufflers produce a sound unique to the COBB exhaust system. Minimal restrictions increase exhaust velocity for the best bump in horsepower available. Dual 4" slash cut, double wall tips feature the COBB logo and look fantastic exiting the rear of your 2013-2016 Focus ST.

*Includes all necessary hardware and installation instructions.

Pair this COBB 3" Stainless Steel Turbo-Back Exhaust System with Catalytic Converter and Dual 4" Tips with a COBB Accessport V3 Tuner for a fantastic bump in horsepower on your 2013, 2014, 2015 or 2016 Focus ST. COBB offers ready-to-run maps to maximize power made from their cat-back exhaust system.

Product Reviews

Write a review
COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 is rated 4.8 out of 5 by 7.
Rated 4 out of 5 by from Best sounding of all the aftermarket options The full turboback exhaust (stage 3 everything else as well) sounds great when you're on the throttle and you start climbing into midrange power. It's very loud inside the car almost all the time though and your focus ST will no longer be a sleeper. So if you don't do much routine commuting then you'll have nothing but a huge smile on your face. But I do wish it could be a little quieter for everyday driving but I know you can't have both increased flow and power, while having decreased sound. So I'm okay with the sound level. Overall if you don't mind being noticed, it's a great buy and the sound is unbeatable. Build quality is also very impressive so you don't need to worry about losing value of your vehicle as it is better than oem quality.
Date published: 2016-09-02
Rated 5 out of 5 by from Couldn't be happier Had been planning to get this kit for a long time and glad I finally decided to. Install took about 3 hours with jack stands in my garage. The quality is excellent and the sound is amazing. I would highly recommend getting this exhaust over the other options out there.
Date published: 2014-04-23
Rated 5 out of 5 by from Great sound Great sounding exhaust very impressed with work that went into the kit. Took a couple hours to install the Down pipe. Cat back took maybe 45mins. Would recommend this kit to everyone.
Date published: 2014-04-23
Rated 5 out of 5 by from Amazing Exhaust! I installed the turboback exhaust in my 13 Focus ST today and wow! The car pulls so much harder and has an addicting sound! When just cruising around their is no drone and when you punch it you unleash a beast! I couldn't be happier with the build quality and performance from these cobb products!
Date published: 2016-02-28
Rated 5 out of 5 by from Best buy yet I purchased this system with hig Lhuillier hopes and boyster was I impressed. The system is beautiful like a peice of art. The welds are perfect, the sound is more then I have ever hoped for. Best exhaust for the money on the market yet!
Date published: 2016-03-17
Rated 5 out of 5 by from Great sound I was first upset that mongoose didn't sell for the new focus ST, so I went with cobb along with everything thing else I went with and it sounds amazing, it gets better as it's broken in, I love it
Date published: 2014-08-07
Rated 4 out of 5 by from love it one problem tho I love it but it keeps throwing a check engine light for the Bank 1 02 sensor
Date published: 2014-08-08
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Product Questions

I have the cobb cold air intake, rear motor mount, as well as the accessport. I plan on upgrading both the intercooler and putting this exhaust on. My question is, is the stock intercooler good enough to upgrade my exhaust first on my 2013 ST?

Asked by: jrobbins
Yes you could upgrade the exhaust first.
Answered by: rk cjpp
Date published: 2016-12-05

After I had this installed, I drove a couple hundred miles, and then my check engine light came on. Is this normal?

Asked by: 12jcalvin
It can happen with higher flow catalytic converters. You have to be tuned to account for the change.
Answered by: southernmdst
Date published: 2016-05-27
  • 2016-12-07T08:15CST
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Product Video

COBB Turbo-Back Exhaust System Stainless Steel 3" with Cat Focus ST 2013-2016 Video Transcript
By Bill Tumas: We’re here with a COBB Turbo Back Exhaust for you 2013 and 2016 Focus ST. This COBB Three Inch 304 Stainless Steel Turbo Back Exhaust features a down pipe with a high flow catalytic converter, a flex section, and a full three inch stainless steel cat-back exhaust with two straight through mufflers and dual polished four inch angle cut tips. This turbo back exhaust will improve the look, performance, and sound of your Focus, and includes all necessary hardware and gaskets. Paired perfectly with the COBB Access port, this turbo back exhaust can be found along with other parts for your Focus ST at CJPonyParts.com.