Does the COBB Tuning Valved Stainless Cat-Back Exhaust keep the factory exhaust valve function?

Yes. The system ships with the same OEM exhaust valve Ford fits to the stock cat-back and nothing moves over from the old system. The valve connects to the factory plug and keeps responding to the in-car drive modes, giving a quieter closed setting for daily use and an open setting for louder, freer flow.

Do I need an Accessport or a tune to run this exhaust on a Focus RS?

No. COBB does not list a tune as a requirement for this cat-back, and the valve works through the factory drive modes. COBB states the valve control works with its off-the-shelf Accessport maps or a custom Pro-Tune so tuned cars keep full valve function.

Which Focus RS model years does this cat-back fit?

COBB confirms fitment on the 2016, 2017 and 2018 Ford Focus RS, the C346 generation. The confirmed list covers USDM, EDM and CHDM cars, so European and Chinese market examples are included. It does not fit the Ford Focus ST.

Will the Valved Stainless Cat-Back Exhaust work with an aftermarket downpipe?

Yes, with a COBB downpipe. COBB lists the Valved Stainless Cat-Back Exhaust as compatible with either the factory downpipe or the COBB downpipe for the Focus RS. Compatibility with downpipes from other manufacturers is not confirmed by COBB, so confirm the connection with that maker first.

Is this exhaust usable on an emission-controlled vehicle?

Yes. COBB classifies this cat-back as a part that is not emissions-related, and states that it can therefore be used on emission-controlled vehicles. It replaces only the section of the exhaust behind the factory catalytic converters, which stay in place. Local sound limits still apply on the road.

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Description

COBB Tuning Valved Stainless Cat-Back Exhaust for C346 Ford Focus RS

COBB Tuning’s Valved Stainless Cat-Back Exhaust replaces everything behind the catalytic converters on the 2016 to 2018 Focus RS with 3 inch CNC mandrel bent 304 stainless tubing and keeps the factory exhaust valve working through the drive modes. That valve is the reason to choose it. With the flap closed, cruising stays close to stock in volume; select a sportier mode and the flap opens to a much harder edge through an inline straight-through resonator and muffler. It suits an owner who wants a louder RS without giving up a civil commute, and the extra flow leaves room for a COBB downpipe and Accessport map later; buyers after a quiet car should look elsewhere.

Features

Full 304 stainless steel construction from the cat-back flange to the tips
CNC mandrel bent tubing holds a constant 3 inch diameter through every bend
Inline straight-through resonator combined with a muffler
The Valved Stainless Cat-Back Exhaust ships with its own OEM exhaust valve, so the stock unit stays on the old system
Dual polished 4.5 inch double-wall slash cut tips with the COBB logo
Works with the stock downpipe or the COBB downpipe

Specifications

Material: 304 stainless steel
Tubing Diameter: 3 in, CNC mandrel bent
Tip Diameter: 4.5 in
Tip Count: 2
Tip Style: Polished double-wall slash cut
Silencing: Inline straight-through resonator plus muffler
Valve: OEM Ford exhaust valve, plug and play

Applications

Ford Focus RS: C346 | 2016-2018 | USDM, EDM, CHDM

Notes

Replaces the cat-back section only; the factory catalytic converters and downpipe stay in place
Does not include an Accessport or a tune
Valve operation follows the factory drive modes and works with COBB off-the-shelf maps or a custom Pro-Tune
Confirmed downpipe compatibility covers the stock downpipe and the COBB downpipe
Does not fit the Focus ST

Frequently Asked Questions

Does the COBB Tuning Valved Stainless Cat-Back Exhaust keep the factory exhaust valve function? Yes. The system ships with the same OEM exhaust valve Ford fits to the stock cat-back and nothing moves over from the old system. The valve connects to the factory plug and keeps responding to the in-car drive modes, giving a quieter closed setting for daily use and an open setting for louder, freer flow.
Do I need an Accessport or a tune to run this exhaust on a Focus RS? No. COBB does not list a tune as a requirement for this cat-back, and the valve works through the factory drive modes. COBB states the valve control works with its off-the-shelf Accessport maps or a custom Pro-Tune so tuned cars keep full valve function.
Which Focus RS model years does this cat-back fit? COBB confirms fitment on the 2016, 2017 and 2018 Ford Focus RS, the C346 generation. The confirmed list covers USDM, EDM and CHDM cars, so European and Chinese market examples are included. It does not fit the Ford Focus ST.
Will the Valved Stainless Cat-Back Exhaust work with an aftermarket downpipe? Yes, with a COBB downpipe. COBB lists the Valved Stainless Cat-Back Exhaust as compatible with either the factory downpipe or the COBB downpipe for the Focus RS. Compatibility with downpipes from other manufacturers is not confirmed by COBB, so confirm the connection with that maker first.
Is this exhaust usable on an emission-controlled vehicle? Yes. COBB classifies this cat-back as a part that is not emissions-related, and states that it can therefore be used on emission-controlled vehicles. It replaces only the section of the exhaust behind the factory catalytic converters, which stay in place. Local sound limits still apply on the road.

About COBB Tuning

COBB Tuning was founded by Trey Cobb in 1999 in Rockwall, Texas, as a Subaru performance shop in the back of his father’s tire shop, and is now headquartered in Austin, Texas. In 2004 COBB introduced the Accessport, a handheld ECU tuning device that flashes COBB’s off-the-shelf maps or a custom tune and doubles as a real-time gauge and datalogger. The range has since grown from Subaru to Ford, Volkswagen, Audi, Porsche, Nissan, Honda, Mazda, Mitsubishi and Toyota platforms, with intakes, intercoolers, exhausts and flex fuel kits engineered alongside the tuning, and many COBB parts carry California Air Resources Board Executive Order numbers for use in all 50 states.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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COBB Tuning Valved Stainless Cat-Back Exhaust for C346 Ford Focus RS [593100]

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COBB Tuning Valved Stainless Cat-Back Exhaust for C346 Ford Focus RS

Features

Specifications

Applications

Notes

Frequently Asked Questions

About COBB Tuning

Reviews