Better than that? Really?

So what you're saying is someone more knowledgeable about a particular subject should just hoard that knowledge and not share it with others? (which, by all accounts is only the main purpose of this forum)

Gotcha.

 

Obviously you haven't seen the genius at work or the aftermath? Scary site. Think Hiroshima x 100000.

 

Obviously not. I'll be sure to line my walls with lead.

 

this is the banter Mike and I go through...by replying to a post that wasn't directed to you i assume you want to pick a fight. did you want us to strap up and e-thug it out? LOL

 

yes. I do.

 

Nope. Whether the post was directed at me or not, it pertained to me since I replied to the thread and was looking to gain information from it.

I'm not much of an e-thug. A cyber smartass, sure.

Since we live so close, there'd be no reason we couldn't discuss our mutual appreciation of automobiles over some beer and wings.

 

Without a tune you won't see max gains, but you can still see gains, that's proven with various dynos. Why, it has to do with how the ECU trims and the stock tunes AFR targets. Pardon the oversimplification but having done a little reading on LTFT and STFT and their effect at various RPM's it seems to align nicely with the AFR dyno one user did with stock intake and then Gen3. LTFT is averaged over time and controls overall triming and calculated primarily at idle and low load, STFT handles mid to top end and is more dynamic and varies with the O2 sensor. There's also a relationship between the two when STFT reachs its limit. The extra air form 2-5K resulted in the Stillen leaning out the mixture putting it in the mid 12's, however above 5K STFT was able to richen it up to where the stock tune wants it to be which unfortunately meant less power. Just in case you're wondering, no matter what intake you put on at idle and cruise you'll find the ECU keeping you right at 14.7 or real close.

Speaking of stock tune, on my car acceleration pre-tune resulted in AFR's in the 10-11's which makes sense. While R2C's filter is less restrictive then stock, it isn't a bloody T-Shirt. Also the stock tune is designed for reliability and world wide deployment and is a one tune fits all application. Getting a tune is not returning AFR to normal, it's adjusting AFR for optimum power which is quite different from the stock tune's target. This is why you can just get a tune on a stock G and gain about 10Whp. That's part of it anyway, iginition timing is also tuned and has a similar performance curve. The G was much closer here which probably explains why just adding air does as well as it does. Also a tune will produce maps that are specific to your car, octane and environment. Interesting vid here on value of proper timing.
YouTube - Haltech: Ignition Timing vs Air Fuel Ratio
Secondly there seems to be a belief that you can't get enough air, the graph below would suggest otherwise. You're aiming for mid 12s. This is why I think it's important to compare intakes post tune. Just because an intake is so free flowing it can overwhelm LTFT better then one that's less free flowing, doesn't mean that both with a proper tune wouldn't produce similar results. As long as both can deliver "enough" air at similar temperatures the results should be the same. Which come to think of it would be another reason for dyno comparisons to possibly favor stillen with fans blowing on the filters vs filters in the engine bay. Would fans really simulate the airflow experienced under actual motion? Room for doubt there.

Sorry didn't mean to change point on the discussion or start a intake war, just relaying some thoughts on the topic at hand.

 

yes, you suggest a good beer and wing place and then we tango!

...but seriously, i've been looking for a good wing place.

hey wait a minute, aren't you the kid with the mazda 3? did you just get a G?

 

FWIW, my Invidia dyno'd after it was installed. Pics and vids on Driver.

 

LOL @ thread comments

I can tell you first hand that the Sedan exhaust is very restrictive. Any exhaust upgrade would be better than stock. Have you guys actually look at the exhaust piping under the sedan? The OEM sedan exhaust looks like it belongs on a 4cyl civic.

I bought the Stillen exhaust from a member on this site after driving around for about 5 months with just the Stillen Intakes and High Flow Cats. After adding the stillen exhaust, the car drives like a beast. As a reference I used to own a 08 G37S 6-MT coupe w/ Fast Intentions High flow cats, carbon fiber exhaust and stillen intakes. I traded in he coupe last year for XS Sedan (MD Weather). I carried over the stillen intakes and high flow cats from the coupe and installed them on the sedan.

Also, with just the same mods on my sedan (I/E/P) as I had on the coupe, my sedan is way faster than my old coupe, no comparison.

I have some friends in the regional forums that have seem my car run, and can contest my Stillen Exhaust was a big improvement. Stillen Intakes, High Flow Cats and the Stillen exhaust has transformed this car.

Edit: added pic of my old coupe.

 

Some really useful comments here. Thanks guys! @leeI35G35 - your sedan looks good man! those stillens look damn aggressive! makes the decision even more difficult

 

More pics of Stillen exhaust

 

thanks a$$hole. LOL (see previous post). haha

 

lol @ 4drscreamer...He pictures ****** his car all over the forum lol. Looks good man.

 

thanks guys! purchased the invidia exhaust + fast intention, polished test pipes