Perrin Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber [22-26 BRZ/GR86]

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