pretty much what the topic says.

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HFC's
Headers
Exhaust
Pop charger


how many horses you think that would give you? roughly..
on a 5AT g35 coupe.

 

maybe 8-12ish... not a whole lot, only way to get real power out of the VQ is to go FI... It also depends on which manufacturer of these items you are going with.

 

Maybe a bit more if you tune it.

And maybe you'll get even more power if you post the thread in the right section. . Sorry, I think I'm funny.

 

Start up by doing a little research.

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You wouldn't gain too much without a tune. . .time to invest in one!

 

tunes are like 400 bucks right?

 

^It depends on your location. Where are you from?

 

Unless you are going for sound like exhaust or popcharger, I wouldn't bother with these NA performance mods. Just save up for FI, that's what I'm doing (or at least fooling myself into thinking while I drive my slow car).

 

Im located in chicago, FI just seems to expensive I don't have 10k to spend i'll have around 3-4 max on preformance parts to spendand I really don't want to put more than that in my car.

 

All of that with a tune typically does 20-25HP

 

With the tune itself [reducing factory safety margin] creating 75% of the total gain.

Before OBD2 we could get a 10-12% increase because oem safety was 15%, now with OBD2 you are lucky to get 5% because so much more of potential has already been wrung out by factory.