Home / audi / A1 / Audi A1 1.4 TFSI 125Hp – Stage 1 Audi A1 1.4 TFSI 125Hp – Stage 1 Upgrade stage up to 145 Hp for the 1.4TFSi engine of Audi A1. Stage 1 upgrade, is presented below. Categories: A1, audi Reviews (0) Reviews There are no reviews yet. Be the first to review “Audi A1 1.4 TFSI 125Hp – Stage 1” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.