How much Hp can you pick up from your tunes on the dyno? Are they aggressive or mild tunes? (AF ratio and timing) Interested since you can de-tune back to stock.
2014 M5...AMS downpipes, BMS tune, lead foot
2011 X5M....Downpipes, exhaust, dyno tuned
2008 Ducati 848....pearl white, Termignoni exhaust
CLS55 and C6Z06 (previous rides)