The sound is exactly what I wanted—sharper under throttle but totally tolerable on the highway. I’ve put a few hundred miles on it and the improved flow is noticeable in the mid-range pull.

The catback bolted on in about an hour with zero headaches, and the improved flow is noticeable right away—throttle response feels crisper. Sharper tone on cold start that settles into a deep, aggressive note under load, exactly what I wanted for the FL5.

Catback bolts right up and the sharper tone is exactly what I wanted, no drone on the highway even at 75 mph. Throttle response feels crisper in the midrange, and it’s still quiet enough to not wake the neighbors on cold starts.