Alpha Pigeon Hopper 1.21

Radiator texture fixed.
Race exhausts modified with backfire

Update 1.2:

3 new engines;
2.5 I4 DOHC Turbo
2.0 I5 Turbo Diesel
4.0 V8

Fixes:
Radiator fan

3 new configurations to include the new engines..

Update included:
Fix to duplicated interior parts
Addition of Hopper front seats option
Addition of auto shifter option