just read another thread that recommends a Franspeed for the Avanti kit at 22bhp. By comparison the AF Clubman produces 14bhp! Are there performance results for the 48mm Avanti exhaust available yet please
Hi, what's the difference between 48mm Avanti Clubman and a 48mm AF Clubman for use on the Avanti kit, other than about £150? Does the Avanti have loads of re-worked internals, but keeping the "standard" look, or is the money in a completely bespoke pipe? I don't have the kit yet, but wor...