Polini For Race 4 Exhaust Yamaha BW'S / Stunt / Slider / Minarelli Vertical

For Race 4 Exhaust for MBK Booster - Stunt / Yamaha BW's from the manufacturer Polini.

The For Race 4 exhaust is the ultimate exhaust for 70cc cylinders such as the Malossi MHR Replica, Polini Corsa, Airsal T6, Top Perf Trophy among others. The notable Aesthetic change in this For Race 4 with clear similarities to the Big Evo with the black anodised aluminium silencer. There is a performance increase at all speeds compared to the previous version, the exhaust body now has 7 sections instead of 6 on its predecessor, the For Race 3.

Very good value for money! We recommend usino with a carburettor minimum 21. Attention! It is an exhaust nor approved.

 Technical features:

• Silencer: aluminium black anodised
• Pipe displacement: 50-70 cm³
• Exhaust body: 7 sections