Gti6 shocks,ARBs,rear axle and brakes would be a huge improvment on a 1.4. Alloys with 195 50 15s on will help
Also if you want to do a air filter buy a k&n panel filter instead of cone. Cone is more likley to suck in hot air decreasing power and fuel ecomnomy
Also if you want to do a air filter buy a k&n panel filter instead of cone. Cone is more likley to suck in hot air decreasing power and fuel ecomnomy