FACTORY B 'MOD' EXHAUST SYSTEM

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

£995.00 GBP