what can i do to get more horse power out of a 5.7l hemi engine?

Asked by GuruD4PF7 Aug 03, 2017 at 03:15 PM about the 2007 Dodge Charger R/T RWD

Question type: Car Customization

i know i can put a cold air intake,after maket headers,exuast pipes, turbo or
supercharger, and performance chip but is there a way to make the actual
engine make more power

3 Answers
22,215

Gary answered 7 years ago

The only way to produce more power without adding lots of parts would be to reprogram the computer with a tuner.

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22,215

Gary answered 7 years ago

here is an example: http://www.protechautosystems.com/pcm-ecm-ecu-brainbox-computers/dodge/charger/2007/5-7l-v8/

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F_O_R answered 7 years ago

Breathing improvements will help some, use smog legal parts. A tuner can help but if you have smog checks in your state you will almost certainly fail with a custom tune.

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