nuro

stock, my 0-100km/h (i think thats 0-62mph) times were 7.5 when i bought the car, and once i really got used to launching, i can keep pulling 6.5-6.6

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1999 Prelude 2.2 VTi 4WS
I speak fluent typo

NotoriouSH

Unfortunately you guys have it all wrong, CAI's add more torque than short ram intakes.

Short ram intakes work best at high RPM's. If you would stop and think about it it should be totally obvious. At 7-10k RPM's your motor needs a lot of air QUICKLY, that is why the short pipe performs so much better.

At lower RPM's, a cold air intake is the way to go. The long pipe increases the pressure differential from the throttle body to the air filter. Just like a 3" exhaust, too much airflow will kill your torque. Anyone heard of the AEM hump? That is a massive torque increase that occurs in the midrange of all AEM cold air intakes and is responsible for their entire reputation of producing the best gains.

I posted a thread a long time ago called "definitive guide to air intakes", do a search for it and read it. My current setup right now is a big chamber intake with a cold air extension. It is the best intake I have used, and I've gone through about 6 different varieties.

fmshaw1971

That may be what you have found with your mods, but it is not what the dyno graphs show. In independent tests in both Sport Compact Car and Import Tuner, CAIs make more hp in the higher RPMs. Short rams have a bigger power bulge down low in the dyno graph.

I'm not arguing the logic of what you are saying, just the real world results. The only problem with the dynos is that they test with the hood open and thus the short rams make more power than they would with the hood closed.

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97 EGP Base 5spd Prelude. Engine: DC short ram, DC SS headers, AEM pulleys, Random High flow cat, Mugen sport exhaust, Apexi VAFC. Suspension: Tein SS, Tanabe front lower tie, Neuspeed front upper strut, Neuspeed rear sway, Tanabe rear upper strut, DC rear lower tie, 17X7.5 5Zigen Typhoons with 215/40/17 Goodyear F1 GS-D3s. Other: Bride Ergo II, Spoon oil cap, Magnecor wires, relocated Odyssey 680 battery, Denso iridiums, Mugen pedals, Mugen lugnuts, shortened shifter w/ Momo airleather, Rotora slotted rotors and Endless NA-Y pads, Goodridge SS lines.