[rickaren]

10 Bolt-On Auto Performance Upgrades That Really Work

1015/2012

These days, cars are so highly developed to meet emissions and fuel-economy standards that it's usually not possible to improve over the factory designs. We said "usually"—cars are still compromises to corporate comfort and accessibility standards. We've found 10 relatively simple bolt-on components that give you true performance increases without permanent modifications to your car.



Read more: 10 Bolt-On Auto Performance Upgrades That Really Work - Popular Mechanics

 

[dhh3]

A couple of these are on my list:

Bilstein Shocks, BWoody Links, K&N CAI, Jet Stg 2, P265/50R20 Goodyear Fortera HL Tires.

 

[tasneaneena]

Yes its very true. Nowadays cars are really giving the highest possible mileage. Putting performance parts sometimes decreases the average instead of increasing it.