What's the deal with the BCP x500 turbo? Not many reviews

turbo x500Our all-new X500R Turbocharger that supports OVER 600whp on a STOCK SIZE inlet. When we set out to desn the BCP X500R Turbocharger,In terms of petrol engines, the entry-level 1.6-litre unit has an average of 42.2mpg and 147gkm, while the turbocharged 1.4 with 138bhp is the more economical choice at 47.1mpg