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  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR
  • Perrin [22 - 23 BRZ, 22 - 23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP - EXT - 368BR - JDMuscleCat Back Exhaust SystemperPSP-EXT-368BR

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Perrin Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber

Fits: 22-26 BRZ/GR86

$59500 $700.00 Save $105
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Auto Parts Store of the Year 2026

Perrin Performance Perrin Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber
Fits: 22-26 BRZ/GR86
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Fitment

Please Note: 2022+ Subaru BRZ / Toyota GR86 Part Number: PSP-EXT-368BR (axle-back rear section; pairs with PSP-EXT-369BR midpipe for a full cat-back)
  • 2022-2026 Subaru | BRZ
  • 2022-2026 Toyota | GR86

Description

The Perrin Axle Back Exhaust SS for the 2022+ Subaru BRZ and Toyota GR86 is a single-side-exit rear section in brushed 304 stainless steel, TIG-welded, weighing just 10.7 lbs (11.7 lbs lighter than stock). A frequency-reducing Helmholtz resonator chamber kills low-RPM drone and booming with no flow restriction, while a single oversized slash-cut tip finishes the look. Perrin dyno: +3-4 WHP / +3-4 ft-lbs on a stock-tune 2022 BRZ.

  • Application: 2022+ Subaru BRZ / Toyota GR86
  • Part Number: PSP-EXT-368BR
  • Axle-back (rear section) - single side exit with single oversized slash-cut tip
  • 304 stainless steel, brushed finish, TIG-welded; 10.7 lbs (11.7 lbs lighter than stock)
  • Helmholtz resonator chamber cancels low-RPM drone with no flow restriction
  • +3-4 WHP / +3-4 ft-lbs torque on stock-tune 2022 BRZ (Perrin dyno)
  • Direct bolt-on using factory hangers; pairs with PSP-EXT-369BR midpipe to form a full cat-back

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