Flowmaster® (12-21) BRZ/FR-S/86 American Thunder™ 304SS Cat-Back Exhaust System with Split Rear Exit

  • Sale
  • Regular price $676.95

Compatible: (2.0L)

2012 - 2016 Scion FR-S

2012 - 2021 Subaru BRZ

2017 - 2021 Toyota 86

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.



The Scion FR-S(Toyota 86) and Subaru BRZ are amazing new performance cars jointly developed by both automakers, and deserve to sound the part. This all stainless steel American Thunder system delivers the sound you want with the performance you demand from Flowmaster. Featuring mandrel-bent piping throughout, this 50-state emissions legal system is a true bolt-on, and delivers a deep performance tone most enthusiasts will enjoy. The American made exhaust also includes Flowmaster's Lifetime Limited Warranty for a lifetime of quality assurance.


  • Premium Quality
  • Stainless Steel Construction
  • Dyno tuned for maximum performance
  • Refined Performance Tone


Brand Flowmaster
Emission Code 5
Exhaust Series American Thunder
Exit Position Dual Out Rear
Heat Shield No
Inlet Diameter (in) 2.5
Material 409 Stainless Steel
Muffler Part Number Kit Only
Muffler Quantity 1
Muffler Series 80 Series Crossflow
Outlet Diameter (in) 2.5
Product Type Exhaust System
Single Dual Dual
Sound Level Moderate
System Type Cat-back
Tip Diameter (in) 4
Tip Quantity 2
Tubing Diameter (in) 2.5
California Proposition 65 Chemical Name Chromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 Required Yes
Part Number 817596

Install Guide: