COBB Downpipe Stainless Steel 3" With Catalytic Converter Focus ST 2013-2018

COBB:
591202
COBB Downpipe Stainless Steel 3" With Catalytic Converter Focus ST 2013-2018 is rated 4.7 out of 5 by 13.
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Highlights

  • 304-Stainless Steel
  • Includes Hardware
  • 200 Cell Count
  • 2-Bolt Flange
$650.00

COBB 3" Stainless Steel Downpipe with a Catalytic Converter for all 2013, 2014, 2015, 2016, 2017 and 2018 Focus STs.

COBB's 3" Stainless Steel Downpipe is a direct replacement system for your 2013-2018 Focus ST. The downpipe features full 304 stainless steel construction, a 4" flex section and a high-flow catalytic converter. Installation of the catted downpipe produces big power gains without the excessive sound of an off-road downpipe.

COBB Downpipe Features:
- Full 3" 304-Stainless Steel Construction
- Durable 4" Flex Section
- Magnaflow 200 Cell Count Catalytic Converter
- CNC Machined V-Band Flange
- 2-Bolt Flange
- Includes 2-1/2" and 3" Gaskets
- Comes with All Necessary Hardware
- Installation Instructions

Full stainless steel construction means the COBB downpipe holds up to the elements extremely well with high quality metal. Beautiful TIG welds seal all seams perfectly, resulting in zero exhaust leaks. CNC mandrel bent tubing creates the perfect fit every time for a no-hassle installation. Tubing is 3" in diameter with a 4" flex section. The COBB downpipe features a 200 cell count Magnaflow catalytic converter. The high flowing cat decreases restriction for better exhaust flow while. The COBB downpipe bolts up to your factory turbo with a V-band flange as well as your factory or stock style aftermarket cat-back. Includes 2-1/2" and 3" gaskets to match stock or aftermarket cat-backs.

Tech Tip: The flange on this 3" downpipe will work with smaller diameter cat-back exhaust systems, such as 2-1/4" and 2-1/2". CJ Pony Parts has installed a variety of 3" downpipes onto smaller diameter cat-back systems without any issues.

The COBB 3" cat-back exhaust system is a perfect compliment for COBB's 3" catted downpipe. You can take full advantage of COBB power by upgrading to a full turbo-back exhaust system that includes the cat-back exhaust and downpipe. For the ultimate upgrade, you can then pair the full turbo-back exhaust with a COBB Accessport V3 for an amazing bump in power.

Order COBB's 3" Stainless Steel Downpipe with a Catalytic Converter for your 2013, 2014, 2015, 2016, 2017 or 2018 Focus ST from CJ Pony Parts today!

Note: This item is not CARB (California Air Resource Board) exempt and is not legal for sale or use in the state of California.

Installation Difficulty

Moderate
Moderate

Intermediate skill is required for this installation.

Installation Videos

Vehicle Fitment

This product will fit the following Focus years:

Rated 5 out of 5 by from Excellent purchase Purchased after I ordered the cat-back exhaust. Highly recommend using a lift since there isn't much room for working with the downpipe if you're on the ground with ramps. I could not pass New York State inspection so I would HIGHLY recommend buying the Vibrant J defouler to put on the rear o2 sensor while you are already swapping downpipes.
Date published: 2017-03-02
Rated 5 out of 5 by from Biggest gain Just finished stage 3 with the downpipe and i cannot tell you how much the downpipe made a difference. The car is a little bit louder and the turbo engages immediately. The power is real! If your looking for the next level... here it is!
Date published: 2015-02-05
Rated 4 out of 5 by from Superb construction What impresses me most about the downpipe is the quality of construction. The welds are superb and the construction is meant for the long term. And, it fit perfectly and mated to the stock exhaust without questions. Most of the power gains undoubtedly come from the 200cel cat and tuning. But this comes at a price of a CEL. Apparently the Ford rear O2 sensor is quite picky. There might be ways around the CEL, but you will need to find answers elsewhere. I am very happy with this product!
Date published: 2018-12-15
Rated 5 out of 5 by from Downpipe I like the Downpipe. You can really hear the turbo and there is more kick from it. I only get a little gain in horsepower but the turbo response is amazing. It is a lot of money but I feel that it is worth it.
Date published: 2014-04-23
Rated 5 out of 5 by from Biggest power gain Installed this DP along with Cobb's FMIC and cat-back. Full Stage 3 now. Pretty simple installation aside from disconnecting and reconnecting the O2 sensor harnesses. Feels like a totally different car now. Definitely surprise some people on the road. ;o)
Date published: 2015-10-09
Rated 5 out of 5 by from Don't be scared, it's not that bad to install This thing is so pretty! It's a shame that it's impossible to see but the quality is top notch, just wish cobb would make intake manifold eye candy for us. I can hear the turbo at idle now:)
Date published: 2019-07-27
Rated 5 out of 5 by from Cobb does it again High quality, perfect fitment. Lighter weight then o.e. part. Not a stand alone piece. You will need a tune with the installation of this DP. Love this addition to my Greddy catback.
Date published: 2019-01-04
Rated 5 out of 5 by from Awesome product Finally installed it had been running the Stage 3 Power pack with out it Was worried about smog check well put it on and no worries sounds and performs great Also easy install
Date published: 2018-07-01
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Will this work on a after market turbo 

Asked by: Mike
As long as the turbo has a stock size exhaust outlet it will fit.
Answered by: rk cjpp
Date published: 2019-05-29

Will this fit on a flowmaster catback exhaust?

Asked by: Jackb1313
The flange on this 3" downpipe will work with smaller diameter cat-back exhaust systems, such as 2-1/4" and 2-1/2". CJ Pony Parts has installed a variety of 3" downpipes onto smaller diameter cat-back systems without any issues.
Answered by: rk cjpp
Date published: 2019-04-15

Just got the Cobb catback, I love it and am considering getting the down pipe. Is it recommended to get a custom tune for best power/efficiency or will the stage 3 tune from cobb be sufficient enough?

Asked by: Dylan1193
Without knowing if you have the other stage 3 mods I would suggest a custom tune.
Answered by: rk cjpp
Date published: 2019-03-16

It says for aftermarket exhaust use the 3" gasket. I have an aftermarket Borla Catback but the Borla is 2.5". So I still use the one for stock correct?

Asked by: not just a focus Instgram
Correct.
Answered by: CJPP Dave
Date published: 2018-06-07

Will this fit a 2016 Ford Focus SE?

Asked by: Mikeyleonardo
No it wont. ST only.
Answered by: DerekB
Date published: 2018-05-01

does a downpipe interfere with ford warranty?????

Asked by: fordst3
Unless the product in question is directly responsible for an issue, your warranty should remain intact. Read up on the Magnuson-Moss Warranty Act for more details.
Answered by: rk cjpp
Date published: 2018-03-28

Do u get a cel on a downpipe with no catalytic converter?

Asked by: La maravilla
Yes, you would need a custom tune.
Answered by: CJPP Dave
Date published: 2017-11-24

Is this downpipe better than the one with no catalytic converter?

Asked by: La maravilla
For emission purposes yes, the non catted down pipe is for off road use only. We don't keep track of the aftermarket part laws in any area, so we'd encourage you to check the list of official approved CARB parts here: http://www.arb.ca.gov/msprog/aftermkt/devices/amquery.php.
Answered by: rk cjpp
Date published: 2017-11-20
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