FACTORY B 'MOD' EXHAUST SYSTEM
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The biggest power increase from a single modification to your 701cc Yamaha Superjet. Huge increase in low and mid range power, with no loss of reliability. This kit utilizes the 'mod' chamber. Complete kit comes with all necessary hardware: Exhaust manifold Header pipe Exhaust expansion chamber Gaskets Water hose Exhaust couple's and jubilee clips £859.95 |
