This is all preference so everyone will tell you something different. Personally, i am a CP fan. To get the best accuracy, you should look into invest in a barrel kit, with multiple backs.
There are some companies that made after marker parts for the Piranha, though they would be a very tough find at this day and age.
.68 calaber
The piranha has very sharp teeth and would hurt very much if it bit you.
No.
The 2003 Volkswagen GTI runs on premium unleaded (recommended).
The 2006 Volkswagen GTI runs on premium unleaded (required).
The 2013 Volkswagen GTI runs on premium unleaded (recommended).
The 2012 Volkswagen GTI runs on premium unleaded (recommended).
The 2001 Volkswagen GTI runs on premium unleaded (required).
The 2005 Volkswagen GTI runs on premium unleaded (recommended).
The 2008 Volkswagen GTI runs on premium unleaded (required).
The 2014 Volkswagen GTI runs on premium unleaded (recommended).