Perrin [22-23 BRZ, 22-23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP-EXT-368BR Engine Management System Since the Circuit & Morizo

Since the Circuit & Morizo models offer the nicer Alcantara interior parts

the difference is even greater with over 100% stiffer left/right movement and 25% stiffer front/back feel compared to stock springs

OE Direct Replacement: The Rear Lower Arm is specifically designed as an OE direct replacement

or show project

buy with confidence and peace of mind

Perrin [22-23 BRZ, 22-23 GR8] Axle Back Exhaust SS - Single Side Exit w/Helmholtz Chamber | PSP-EXT-368BR Engine Management System Since the Circuit & MorizoSOUNDOur resonated system is designed to have a mellow, pleasing rumble at lower RPMs and light throttle. When driving vigorously, the system transitions into an aggressive tone that every sporty car needs. NO DRONE ZONEThe PERRIN exhaust features a frequency reducing Helmholtz resonator to combat the naturally occurring resonance the BRZ exhaust produces. This unique, engineered chamber, reduces the low RPM droning and booming without adding any