COBB Tuning Stainless Steel CatBack Exhaust System for VB Subaru WRX



COBB Tuning Stainless Steel CatBack Exhaust System

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SKU: 516100 Category: Vehicle: Brand:
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COBB Tuning Stainless Steel CatBack Exhaust System for VB Subaru WRX

An ideal solution for enhancing the performance of your VB Subaru WRX, the COBB Tuning Stainless Steel Cat-Back Exhaust System impresses with its unique attributes. The 3″ system offers an effortless direct bolt-on design, making it easy to install. Enjoy a significant enhancement to your car’s performance with this top-tier exhaust system.

The comprehensive features of this premier cat-back exhaust system make it the ultimate upgrade for your VB Subaru WRX. The distinct, sharp exhaust note is discernibly different from the stock and does not instigate any unwanted drone within the cabin.

Construction Process

  • The entire system is built entirely from 304 stainless steel, expertly TIG welded, thus ensuring both an attractive appearance and resilience

Mid-Pipe Details

  • A high-caliber cast flange, expertly engineered to house the factory donut gasket, ensures a leak-free installation at the front. From this point, a 3″ stainless steel tubing extends to another 3″ cast flange where it connects with the y-pipe. Adding system compliance, a flex section is incorporated within this pipe

Y-Pipe Specification

  • The y-pipe incorporated in this exhaust system comprises a 3″ tube that splits into twin 2.5″ tubes, facilitated by a newly cast split section. This cast section heightens durability and life expectancy, outperforming other weld-split versions. All three junctions with the y-pipe are created by durable, distortion resistant cast flanges, thereby guaranteeing a leak-free installment

Details on Mufflers

  • In alignment with the rest of the system, the muffler sections are connected to the y-pipe using high-grade cast flanges. At the core of this exhaust system are two customized mufflers specifically designed by COBB. Each muffler section comprises a single 2.5″ inlet and dual 2.5″ outlets which allow for slip-on 3.5″ dual wall, slash-cut tips embellished with laser-etched COBB logos


  • To ensure a secure, leak-free installment for all joins, the kit includes multi-layer steel (MLS) gaskets

Why COBB Tuning?

  • Often praised for its combination of quality, performance, and understatement, the catback exhaust system by COBB Tuning has been meticulously designed. The construction of this exhaust system caters specifically to individual vehicle models, making it a highly specialized component. Fabricated with top-tier stainless steel piping and a finely-tuned muffler, it assures unobstructed and efficient exhaust flow. This promotes optimal performance while maintaining an appearance and sound level akin to that of the original part


  • 3″ system
  • Direct bolt-on design
  • Bespoke COBB muffler design
  • 304 stainless steel for corrosion resistance
  • TIG welded
  • High quality cast y-split and flanges
  • Adjustable slip-fit tips


  • Subaru WRX: VB (2022+)

About COBB Tuning

With over two decades of Research and Development, COBB Tuning has developed upgrade paths that equip vehicles to transform from standard factory models into powerful, drivable machines that enhance daily driving experiences. Each upgrade path is tailored to optimize the power of the Accessport, Hard Parts, and their Off-The-Shelf maps. Originating with a focus on Subaru, COBB Tuning has expanded its range to include products for BMW, Ford, Mazda, Porsche, Mitsubishi, Nissan, Audi, Volkswagen, and Honda. Their area of expertise covers engine management electronics, intake tract components, exhaust systems for turbocharged engines, turbo kits, drivetrain components, and suspension parts.

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