R2C, Stillen HFC & Stillen exhaust dyno pull

Zsteve

no aftermarket intake is really worth the money as far as gains are concerned, its more about the bling bling.

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2010 LS3 C6 Silver coupe corvette

RCZ

???

I had like 20whp from my Stillen G3's....thats a noticeable difference man.

flashburn

20whp because it was your first bolt-on obviously. Once you get HFC's and CBE the performance difference between stock and aftermarket CAI's are pretty negligible.

esfourteen

Do you have first hand proof of this, or are you like the countless number of people on this forum that just keep regurgitating this line and stating it as fact for all new people to read. The general idea that mods HP gains don't "stack" is more or less true, but as far as intakes go on the 370, that is clearly not the case.

Look at semtexs' before/after for example

He picked up gains throughout the powerband as well as a peak of +15whp

Does that sound negligible to you?

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Build Thread | GTM TT Install Thread | Engine Build Thread

flashburn

People have posted other dyno charts (done the same day) that have showed negligible gains when going from stock to aftermarket while already having the other boltons. I've seen the charts semtex posted, but honestly unless they were done on the same day, I'm not going to put much weight into them. Also, on his charts, I can't tell, but are there any gains mid-band or is it all at peak RPM? If there are gains but they are only at redline, who cares?

esfourteen

I have yet to see a g3 dyno that showed little gains, find the threads if you can I'd be interested to see. If you look at the the 2 graphs closely you can see he definitely gained good power throughout the entire range.

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Build Thread | GTM TT Install Thread | Engine Build Thread

flashburn

I'll look at it closer later, but it is hard to tell since one graph goes to 600 HP and the other is 500 HP, it skews things. I'll also see if I can find some of the dyno's of other CAI setups with other bolt-ons, I know there have been at least a few posted.


The best would be to get runs with stock, just K&N Dropins, and then one of the long tube CAI's, all back to back. Someone up for that challenge perhaps?