How can I gain 40 hp on my 02 mercury cougar xr7
here's an easy way... http://www.tuningwizard.co.uk/
thank you I appreciate it I'm trying to make this car a sleeper that 40 horsepower will get 210 altogether is there anything else you can give me that would help me make this car faster
Search Mercury Cougar Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Mercury Cougar Experts