Birch Performance think:
This is a proven highly effective Octane Booster and fuel stabiliser. Customers have used this to run higher power maps in very hot climates with low octane fuel so we know it works well! Will provide engine protection against Knock and detonation by raising octane levels whilst also improving engine response and power. Just take care to keep it off your paintwork!
Easy dosing guide. Add to:
15 litres for +10 octane number rise (MON)
30 litres for +5 octane number rise (MON)
70 Litres for +2.5 octane number rise (MON)
Free delivery on a box of 10!