Rear differential bushings are much stiffer than the stock rubber bushings, every ounce of power will be directly transmitted to the rear wheels instead of absorbing the energy into the soft rubber.

SUBARU BRZ
TOYOTA GT86
SUBARU BRZ
TOYOTA GT86
Scion FR-S ZN6 12-16
Toyota GR86 ZN8 21+
Toyota 86 ZN6 12-21

The warranty on Hardrace products depends on the type of product, with a minimum warranty period of 2 years. This warranty does not cover damage caused by a car crash, improper use, negligence or normal wear and tear.

Rubber bushes	5 years
Spherical bushes	2 years
Adjustable arms with rubber inserts	5 years
Adjustable arms with spherical inserts	2 years
Engine mounts	5 years
Sway bars	Lifetime warranty
Bushes and endlinks	5 years
Billet inserts	Lifetime warranty
Chassis brace	Lifetime warranty
Ball joints/tie rods	2 years