The system in that Samba ad is a 1-3/8" system... it's true that Pertronix/Thunderbird doesn't appear to offer the dual QPs at this time, but the singles they have do feature a chrome tip (
www.thunderbirdexhaust.com). I stand by my initial comment, though, no way is that system in the Samba ad worth $250 U.S. Maybe $100, tops, but I certainly wouldn't pay $250 for it.