Tein Street Advance Z Coilover Suspension Kit - Vellfire ANH20W K&N This is because the ECU

This is because the ECU controls the increase in fuel and ignition timing retardation to prevent knocking in the combustion chamber due to the rise in water temperature

as well as R34 GTT

That's why ACUITY designed a replacement TPS from scratch

The Spoon b-pipe/centre section is designed to work in conjunction with Spoon's N1 backbox and manifold to provide a system that allows for the best possible exhaust gas flow

The Mugen front splitter lip is a vacuum moulded PPE styling piece available either pre-painted black or in an unpainted finish

Tein Street Advance Z Coilover Suspension Kit - Vellfire ANH20W K&N This is because the ECUMuch like Tein Street Basis, Street Advance utilises a twin tube system and has adjustable lowering spring seats allowing you to adjust ride height. Unlike Street Basis, it also features adjustable damping force, allowing you to effectively change your handling characteristics. Compared to mono tube suspension, Street Basis is twin tube, meaning it attains a longer stroke with a smaller repulsive force, resulting in excellent high ride comfort.