While performance chips can increase performance, there are downsides. Installing a performance chip in your car will void your warranty. Also, you should expect a reduction in fuel economy and an increase in emissions. ... Additionally, if the new chip is not programmed properly, you could experience reduced engine life.

Do car performance chips really work?

Performance chips may give you power but will also increase your engine's risk of a power failure. Advertised gains by manufacturers often do not match real-life performance. Installing a performance chip would void an existing warranty on your vehicle.

Is it worth chipping my car?

Chipping turbo diesel engines can increase economy by seven to 10 per cent, because it adds torque lower down the rev range. This means the engine doesn't have to work as hard as before.