HKS

GR SUPRA CUSTOMIZED PARTS

A90 SUPRA ~2 Exhausts, 2 Philosophies~

  • Super Turbo Muffler
  • Dual Muffler

All about power and Comfort
Super Turbo Muffler

Full straight exhaust layout eliminates narrow points and improves exhaust gas flow, allows to enjoy a moderately sporty sound while eliminating unpleasant drone sound. Complies with Japanese noise regulations.
Super Turbo Muffler DB42 (31029-AT003)

Full straight structure for ultimate performance

Full straight structure for ultimate performance

Super Turbo Muffler
Tail φ110
・Slitted inner side improves sound silencing
・Titanium Gradation Tail
・Balanced size tail tips for bumber cut-outs


All about Sound
Dual Muffler

Separate dual layout for the best sound

Separate dual layout for the best sound
  •   Pipe
    outside
    diameter
    Sound in dB Weight
    Idling noise Proximity
    exhaust
    noise
    Factory Exhaust
    STD
    80mm
    →70×2
    58dB(A) 85dB(A) 26.7kg
    HKS
    Super Turbo Muffler
    85mm
    →70×2
    61dB(A) 87dB(A) 24.7kg
    HKS
    Dual Muffler
    85mm
    →70×2
    66dB(A) 90dB(A) 25.7kg

Dual Muffler
Tail φ120
・Tail Tips fitting bumper cut-outs with a visible logo
・Sporty rear view


STM・D/M Common Features: Utilizes factory valve control and actuator.
Allows to retain valve control available from the cockpit, enabling a driver to experience a sporty sound without sacrificing comfort.


Factory Muffler