STU Mini R53 15% pulley with weight penalty
#36737 from Aaron Fitzsimmons · Not recommended · Minutes (2024-10 Fastrack)
Thank you for your letter. We have no data currently to support your request. Please provide us with JCW advertised power
increases with the requested pulley. It would be helpful to have you participate at a HST event where data is frequently
collected so we can obtain data on the car.