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-   -   need some advice on cold air intakes please (https://www.rx8club.com/series-i-aftermarket-performance-modifications-23/need-some-advice-cold-air-intakes-please-135233/)

Mike06 01-14-2008 11:41 AM


Originally Posted by bose (Post 2241491)
Yeah I have a p.h.d. on Mazdaspeed, playa haters degree.

:icon_no2:...

Revvittupp 01-14-2008 12:02 PM


Originally Posted by paulmasoner (Post 2241149)
fanman, what you say about the low end is true.... but short of piggyback fuel/ignition controllers, you can throw every imaginable N/A bolt on at this motor and not see more than 20-25 horses gained even in the upper end of the power band, and thats if you're lucky

so its not that there is nothing to be gained.... but 20-25 ponies for hundreds to thousands of dollars invested.... dunno bout you but i call that negligible


I think this notion will soon change. Mazsport has dyno's up showing 20 rwhp with their Ignition upgrade and Int-x alone. you can't tell me that intake and header-back catless with pulleys will only add up to 5 hp. I think sometime in 08 we'll see a bolt on NA 220 rwhp RX*8. Thats like 40whp or roughly 50 at the flywheel for $5kish.

Fanman 01-14-2008 08:14 PM


Originally Posted by paulmasoner (Post 2241149)
fanman, what you say about the low end is true.... but short of piggyback fuel/ignition controllers, you can throw every imaginable N/A bolt on at this motor and not see more than 20-25 horses gained even in the upper end of the power band, and thats if you're lucky

so its not that there is nothing to be gained.... but 20-25 ponies for hundreds to thousands of dollars invested.... dunno bout you but i call that negligible

That's the choice that people make. Nobody ever said it was more than about 20-25 hp. That is about right. But some people want more hp without sacrificing reliability. But if people are expecting 50 hp from a Japanese NA engine good luck.

It's the notion that the air intake is neglible vs. say something like cat delete pipe that is wrong.

Air intakes, hi-flow cats, cat back exhausts, pullies, ecu re-tune, etc all just amplify the NA engine's character...that there is little low end power, with the engine coming alive in the upper rev range.

Youwonder 08-30-2009 11:06 PM

whats the diffrent between a brand name intake and a auto zone intake just change the filter with a k&n??

TeamRX8 08-31-2009 10:33 AM

FWIW we saw a NA 220rwhp RX-8 in 2007, with an OE ignition system and emissions legal too ...


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