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  • COBB [11 - 21 WRX/STI] Sedan Titanium Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515140
  • COBB [11 - 21 WRX/STI] Sedan Titanium Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515140
  • COBB [11 - 21 WRX/STI] Sedan Titanium Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515140
  • COBB [11 - 21 WRX/STI] Sedan Titanium Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515140
  • COBB [11 - 21 WRX/STI] Sedan Titanium Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515140
  • COBB [11 - 21 WRX/STI] Sedan Titanium Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515140
  • COBB [11 - 21 WRX/STI] Sedan Titanium Cat Back Exhaust - JDMuscleCat Back Exhaust Systemcobb515140

COBB Tuning

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Titanium Cat-Back Exhaust

Fits: 11-21* WRX/STI Sedan

$2,45000
Earn $49.00 In JDMuscle Rewards!
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Financing available starting $76.56 /month and as low as 0% APR.

Auto Parts Store of the Year 2026

COBB Tuning Titanium Cat-Back Exhaust
Fits: 11-21* WRX/STI Sedan
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Fitment

Please Note: Official COBB fitment: 2011-2021 Subaru WRX Sedan and 2011-2021 Subaru STI Sedan. Approved Shopify fitment buckets are retained; exact application is sedan only.
  • 2008–2021 Subaru | WRX STI
  • 2011–2021 Subaru | WRX

Description

The COBB Tuning Titanium Cat-Back Exhaust is a lightweight, high-quality 3-inch exhaust system for 2011-2021 Subaru WRX and STI sedans. Grade 4 titanium tubing, back-purged welds, slip-fit connections, and adjustable blued titanium tips deliver corrosion resistance, fitment flexibility, and a refined exhaust tone while reducing weight compared with stainless steel systems.

  • Confirmed fitment: 2011-2021 Subaru WRX Sedan and 2011-2021 Subaru STI Sedan
  • Grade 4 titanium construction with back-purged welds
  • 24 lb assembled weight, nearly 50% lighter than the stainless steel counterpart
  • Blued titanium tips with COBB logo and adjustable positioning
  • Slip-fit connections provide a wide range of adjustment
  • Bespoke straight-through oval muffler design
  • References: COBB Tuning product page

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Warranty and Support

  • Cobb MFG Warranty

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