What is the COBB Subaru WRX catback exhaust?

The COBB Subaru WRX catback exhaust is a direct bolt-on 304 stainless steel cat-back system for the GV and VA Subaru WRX and STI (2011-2021). It features 3-inch mid-pipe tubing, a cast split y-pipe, twin bespoke COBB mufflers, and 3.5-inch dual-wall slash-cut tips with laser-etched COBB logos, delivering a crisp exhaust note with no cabin drone.

Which Subaru models does the COBB WRX catback exhaust fit?

The COBB Subaru WRX catback exhaust fits the Subaru WRX and WRX STI on the GV chassis (2011-2014) and VA chassis (2015-2021), as listed in the Applications section above.

Is the COBB catback compatible with the factory downpipe?

Yes. The COBB Subaru WRX catback exhaust is compatible with both the factory downpipe and the COBB 3-inch stainless steel downpipe.

Does the COBB WRX catback exhaust produce cabin drone?

No. The COBB Subaru WRX catback exhaust delivers a crisp, noticeable exhaust note over stock without introducing unwanted drone in the cabin.

Are gaskets included with the COBB WRX catback exhaust?

Yes. Multi-layer steel (MLS) gaskets are included for all connections to ensure a secure, leak-free installation.

Is professional installation recommended?

Yes. We recommend installing the COBB Subaru WRX catback exhaust through a qualified technician to ensure correct fitment and a proper seal.

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Description

COBB Tuning Catback Exhaust System for GV / VA Subaru WRX / STI

The COBB Subaru WRX catback exhaust is a direct bolt-on 304 stainless steel cat-back exhaust system for the GV and VA Subaru WRX and STI (2011-2021). The exhaust note is crisp and noticeable over stock without introducing unwanted drone in the cabin. Compatible with both the factory downpipe and the COBB 3-inch stainless steel downpipe.

Mid-Pipe

A high-quality cast flange machined to accept the factory donut gasket provides a leak-free connection at the front. From there, 3-inch stainless steel tubing runs back to another 3-inch cast flange where it meets the y-pipe. A flex section in the mid-pipe adds compliance to the system.

Y-Pipe

The y-pipe features a 3-inch tube divided into twin 2.5-inch tubes via a bespoke cast split section. This cast construction improves durability and longevity compared to welded splits. All three y-pipe connections use high-quality cast flanges that resist distortion and ensure a leak-free installation.

Mufflers

Two bespoke COBB-designed mufflers sit at the heart of the system, each with a single 2.5-inch inlet and dual 2.5-inch outlets. The mufflers accept slip-on 3.5-inch dual-wall, slash-cut tips with laser-etched COBB logos. All muffler connections to the y-pipe use high-quality cast flanges.

Features

Direct bolt-on for GV and VA Subaru WRX / STI
304 stainless steel construction throughout
3-inch mid-pipe with flex section for compliance
Cast split y-pipe for improved durability over welded alternatives
Twin bespoke COBB-designed mufflers
Dual 3.5-inch double-wall slash-cut tips with laser-etched COBB logos
Multi-layer steel (MLS) gaskets included for all connections
High-quality cast flanges throughout for leak-free, distortion-resistant connections
Compatible with factory downpipe or COBB 3-inch stainless downpipe
Crisp exhaust note with no cabin drone
Ready to run with COBB OTS maps

Applications

Subaru WRX / WRX STI: GV | 2011-2014 | 2.5L F4 Turbo
Subaru WRX / WRX STI: VA | 2015-2021 | 2.0L / 2.5L F4 Turbo

Notes

Compatible with factory downpipe or COBB 3-inch stainless steel downpipe

Frequently Asked Questions

What is the COBB Subaru WRX catback exhaust? The COBB Subaru WRX catback exhaust is a direct bolt-on 304 stainless steel cat-back system for the GV and VA Subaru WRX and STI (2011-2021). It features 3-inch mid-pipe tubing, a cast split y-pipe, twin bespoke COBB mufflers, and 3.5-inch dual-wall slash-cut tips with laser-etched COBB logos, delivering a crisp exhaust note with no cabin drone.
Which Subaru models does the COBB WRX catback exhaust fit? The COBB Subaru WRX catback exhaust fits the Subaru WRX and WRX STI on the GV chassis (2011-2014) and VA chassis (2015-2021), as listed in the Applications section above.
Is the COBB catback compatible with the factory downpipe? Yes. The COBB Subaru WRX catback exhaust is compatible with both the factory downpipe and the COBB 3-inch stainless steel downpipe.
Does the COBB WRX catback exhaust produce cabin drone? No. The COBB Subaru WRX catback exhaust delivers a crisp, noticeable exhaust note over stock without introducing unwanted drone in the cabin.
Are gaskets included with the COBB WRX catback exhaust? Yes. Multi-layer steel (MLS) gaskets are included for all connections to ensure a secure, leak-free installation.
Is professional installation recommended? Yes. We recommend installing the COBB Subaru WRX catback exhaust through a qualified technician to ensure correct fitment and a proper seal.

About COBB Tuning

With over two decades of research and development, COBB Tuning has developed upgrade paths that transform standard factory vehicles into powerful, drivable machines that enhance the daily driving experience. Each upgrade path is tailored to optimize the power of the Accessport, hard parts, and off-the-shelf maps. Originating with a focus on Subaru, COBB has expanded its range to include products for BMW, Ford, Mazda, Porsche, Mitsubishi, Nissan, Audi, Volkswagen, and Honda, covering engine management electronics, intake components, exhaust systems, turbo kits, drivetrain components, and suspension parts.

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 Catback Exhaust System for GV / VA Subaru WRX / STI

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COBB Tuning Catback Exhaust System for GV / VA Subaru WRX / STI

Mid-Pipe

Y-Pipe

Mufflers

Features

Applications

Notes

Frequently Asked Questions

About COBB Tuning

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