How much horsepower can you get from a Dodge 3.9L V-6?

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You can get 300 horses..... by porting and polishing the heads, changing the cam, bigger throttle body.... dual exhaust to flowmaster 40 series mufflers..... but for starters go with a Cold Air Intake and a high flowing muffler.......Show more

First you need to define exactly what you want your car to do, are you looking for some increased performance or do you want DRAG RACING Performance and are not worried about street driving ability. then you must deside on your Budget because as with so many things your Budget will reflect exactly how much Horse power you will be able to Rangle from your Dollars ?...Show more

a friend of mine is building one now with well over 335 horse power ,this thing should be really strong when he gets done with it,you can get 500 horses from them but it involves going deep in to the engine,335 horse power for a v-6 is really good though,its going to make a lot of people wonder when he gets done with it,its costing him around 3 grand to build this one,he,s changed pistons, heads and everything,all this can be done through dodge performance,they have a lot of goody,s for that engine to help it,you can check their site out,i that should get you to it,good luck with it,http://www.dodge.com/webselfservice/dodge/index.jsp?screenName=service&country=us&emailUrl=goToEmailForm('R')...Show more

it all depends on how much money you want to spend turbo kits injectors ex systems differrential gears fuel pump ECU chip...Show more