TOP > Yoshimura product site > MUFFLER > STREET SPORTS > FULL SYSTEM > STAINLESS > R-77S > FULL SYSTEM R-77S : STREET SPORTS
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| Main Material | Stainless steel |
| Static Noise Decibel : dB/ Measured at : rpm | 92dB / 4,000rpm |
| Power (Max gain) | +10.1% |
| Torque (Max gain) | +9.9% |
| Weight | -2.2kg : -45.8% |
SMC （Metal Magic cover）
Parts No.180A-317-5120
| Weight（STD4.8kg） | 2.8kg |
SSFC （Satin Finish cover）
Parts No.180A-317-5130
| Weight（STD4.8kg） | 2.8kg |
STBC （Titanium Blue cover）
Parts No.180A-317-5180B
| Weight（STD4.8kg） | 2.6kg |
