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Aftermarket intake performance?

 
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Old 06-29-2012, 09:06 PM
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Aftermarket intake performance?

I've noticed many 3gen luders run with a custom short ram or CAI, but has anyone run any dyno runs to see if any of those intakes make a difference? Reading through Mustardcat's website and performace number, he suggest that hardly any gains occur. Wanted to get more input on this.
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Old 06-29-2012, 10:26 PM
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Re: Aftermarket intake performance?

The gains are minimal unless combined with other mods. Short ram is slightly better than stock in that you can sometimes use a better quality filter. CAI is slightly better than a short ram, but can also depend on things like bigger throttle body and plenum mods.

Bolt-ons:
The best bolt-on HP adder is the $200 OBX header. Next is probably either custom full exhaust or Vision brand adjustable cam gears setup properly. After that, the 5-cylinder Acura Vigor throttle body bolts onto the B20a5 intake plenum, but only improves HP if the plenum opening is enlarged to match the Vigor throttle body. It is recommended you use the B20a5 TPS, but the Vigor TPS will work on a B20a5. For the B21a1, you might have to reverse the two outside TPS wires.

An intake just happens to be easy and sexy. With these few bolt-ons, you might gain 20-35 HP. FYI, I cannot backup that claim with a dyno graph. My B20a5 has a lot more done to it than this.
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Old 06-30-2012, 04:48 PM
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Re: Aftermarket intake performance?

Ya adding more air to go whoosh isn't goin to give you any difference besides the whoosh
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Old 07-01-2012, 10:22 AM
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Re: Aftermarket intake performance?

If figured, though I does make a different on most Vtec engines though. For the most part I plan on keeping the stock intake, modifying it slightly to clean up all the extra plastic that makes up the stock intake system. Why in the hell did they need all those pieces?
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Old 07-01-2012, 01:09 PM
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Re: Aftermarket intake performance?

For all the air ports in the car
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Old 07-01-2012, 10:11 PM
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Re: Aftermarket intake performance?

I added a ram intake only because the stock intake was missing when I bought my current lude (The engine was blown). Otherwise I would have kept the factory intake. I have an aftermarked 2.5 inch exhaust and OBX header. No way to compare the original intake with the short ram, but I would suspect it doesn't do much because it's sucking in hot engine bay air. I do like how it sounds though.
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Old 07-04-2012, 04:28 AM
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Re: Aftermarket intake performance?

Its only a noise maker.

In order to reap any benefits, you need a custom cold air intake with a header and 2.25" exhaust to feel any real difference. After that, its an expensive journey to get any power past 150hp(at the crank, not the wheels).
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