Does chipping a car give it better economy and power?

Are chips any good at giving more economy and power?

Should I get my car chipped?

I'm considering chipping my Peugeot 3008 2.0 150PS, it's done 62,000 miles. The claimed power increase is 187PS and fuel consumption reduction of 30 per cent. Is this viable and, if so, why don't manufacturers...

The emission fix ruined my car - are Volkswagen liable for not checking if it was modified?

I bought a Volkswagen Scirocco from a private seller in October 2016. The car was fully serviced and appeared to be in good condition. The other day Volkswagen did the emissions update and it completely...

Can I reverse the emissions fix by disconnecting the battery?

My SEAT had the "fix", which has ruined the performance and fuel consumption and will likely lead to EGR failure in the future. Can I reset it by disconnecting the battery? Slim hope, I know.

Will an Audi remap degrade the engine?

I've been doing some research on Audi remaps. Is this going to degrade the engine in any way and why do you think superchips are probably the best option?