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Discussion Starter #1
MAZDASPEED 3 Stock vs MAZDASPEED Cold Air Intake - 3rd Gear
MAZDASPEED CAI Cost $325.00

Dynojet Research Dynos were run on 2 different days. Dyno with MAZDASPEED CAI was run on 3-5-07 and Dyno with stock airbox was run on 3-6-07. Yes, I had to take off the MS CAI and re-install the stock hardware! Actually, I'm still stuck with the stock HW cause I don't have time to change it.

Dynojet Research Dyno on MAZDASPEED 3 in Stock Configuration
Ambient Temp=64 deg. F
Atmospheric Pressure=29.80 in-Hg
Humidity=50%
Correction Factor=SAE 0.98
2 Large Cooling Fans placed 5 ft. from front of car
Hood Closed
Runs in 3rd gear only
Runs started at about 2k RPM and stopped at about 6250 RPM.

Dynojet Research Dyno on MAZDASPEED 3 with MAZDASPEED CAI
Ambient Temp=63 deg. F
Atmospheric Pressure=29.90 in-Hg
Humidity=53%
Correction Factor=SAE 0.97
2 Large Cooling Fans placed 5 ft. from front of car
Hood Closed
Runs in 3rd gear only
Runs started at about 2k RPM and stopped at about 6250 RPM.

Results:
10.14% HP (24.2 HP)
10.28% Torque (24.8 ft-lbs)

Averages:
3/5/2007 with CAI-Dynojet
HP:263.2
HP RPM:5525.0
T:266.1
T RPM:4700.0

3/6/2007 Stock-Dynojet
HP:239.0
HP RPM:5575.0
T:241.3
T RPM:4325.0


Remember, this is at the wheels, not at the crank like Mazda uses in their 263 HP, 280 ft-lbs of torque.
 

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haha niiiice, real nice, thanks alot man
 

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though it could obviously go further out, but that TQ curve is pretty sweet!
 

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Thanks for taking the time to do a comparative dyno! That is one sweet result. You just can't beat that for $310. I'm ordering now...

sheesh.
 

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Discussion Starter #7
Thanks all. I just wanted to know myself what my car stands at now, being modded. It has noticeably more pull while accelerating.

If you apply the gains there to the Mazda quoted numbers, you get:

HP: 1.1014*263 = 289.7 HP
Torque: 1.1028*280 = 308.8 ft-lbs
 

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And this is with the CAI offered by Mazda?? Is there cat-back available yet? I just picked up my S3 on Thur.s night.
 
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