I was thinking about buying an intake and exhaust and was wondering if anyone knows exactly how many hp you really gain from this? I have a 2004 civic dx, 1.7 liter. A friend has a 2001 that he put an aem v2 intake on and i dont remember what exhaust but he said it didnt make much of a difference. Is it really worth the money, and how much should i expect to spend?
Thanks,
Mike

 

if you plan on tuning it then those are some of the basics you will need... those 2 alone will give you about 10hp at best, but they also level out your power curve and make it quicker even though you arent seeing it directly in the HP numbers.

simple answer: yes

 

yes, but u need a full exhaust system to do much..

 

the more mods you do the more you will start to feel other mods....but for intake and exhaust to really make a difference to need to get a header and bigger injectors also maybe a fuel rail and pump

 

is there a formula or how do you determine the larger size injectors?

 

dont touch your injectors... your not going to see a difference, also buying a fuel rail and pump is a waste of money. Your car doesnt need the extra fuel right now...

A header is a good investment though.

 

stick with the intake and exhuast lol theres other ways tho but those 2 are the cheapest and most common.

 

I want to add a header to my ride. But I have been told it will give me the "pissed off weed-eater" sound. Will it sound like that and will I feel an effect even on a stock exhaust?

 

it will sound a little different and make some difference probly even with stock exhaust.

 

it will be louder...