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Joined: Apr 2004
Posts: 116
mxsuperfly25
Adrenaline
mxsuperfly25
2000 Black Toyota Celica
Adrenaline
2000 Toyota Celica

Joined: Apr 2004
Posts: 116
PA
Jun 10, 5:43pm - #196946 
Hybrid CAI

Ok guys and girls, I know many of you have CAI's and some of you don't. I am currently running a stock airbox with a TRD filter. I was interested in buying a CAI and I have found info stating that all the CAI's out there don't push the engine to it's potential, and the theory makes good sense. All CAI's (to my knowledge anyway) have 2.75" diameters around the MAF sensor housing, the stock diameter around the MAF sensor is 2.5". That MAF sensor is programmed to read the speed of the air in a 2.5" pipe, if you put that sensor in a larger pipe it will think the air is flowing slower than it really is. (Anyone, correct me if I'm wrong, this is all my opinion-not facts). So what some people are doing is cutting off the tops of their CAI's (just before the MAF sensor housing) and modifying their stock airbox and MAF sensor housing to hook up to the CAI. I have a simpler, and cheaper way of doing this "perfect Intake". Buy a conical Air Filter (K&N for example), two Intake tubes from A&A at abount $20 a piece (1 w/a 45 degree angle and one straight), Some rubber pipe connectors at your local hardware store, modify your airbox yourself(2.5" MAF sensor housing), and cut the Intake tubes (that are 2.75") and locate the filter where AEM does, and spend a total of about $85 for everything. What do you think? -don deal

Joined: May 2003
Posts: 5,346
spaztikid
dikitzaps
spaztikid
dikitzaps
1974 Toyota Celica

Joined: May 2003
Posts: 5,346
LA
Jun 10, 5:46pm - #196947 
congrats don, you just made an ebay CAI...


its good that your thinkin, but brand name CAI's have R&D behind them...

Joined: Sep 2003
Posts: 476
Easy_C
Senior Member
Easy_C
2000 Spectra BLUE BABY! Toyota Celica
Senior Member
2000 Toyota Celica

Joined: Sep 2003
Posts: 476
Mass
Jun 10, 5:48pm - #196948 
Im glad more people are seeing the significance of the fins and piping diameter. However TPR already makes a CAI that uses both 2.5" inch piping and MAF fins (which are being patented). And its dyno proven, but great job on the idea smile


TPR Intake! - Injens high end with AEM's low end and NO BOGGING!
TPR EXHAUST! - Exhaust made 10.5 whp peak and 32 whp at 6300 on my car!!!
http://www.tuningprecisionracing.com/shop
Joined: Oct 2003
Posts: 852
mastro543
Senior Member
mastro543

Senior Member
2001 Toyota Celica

Joined: Oct 2003
Posts: 852
Jun 10, 5:48pm - #196949 
Run a dyno see what happens


Boost In March.
[Linked Image]
Joined: Dec 2003
Posts: 820
Mad_Game
Senior Member
Mad_Game
03 Black Toyota Celica
Senior Member
03 Toyota Celica

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Posts: 820
CA
Jun 10, 5:51pm - #196950 
never hurts to think

Joined: Apr 2004
Posts: 116
mxsuperfly25
Adrenaline
mxsuperfly25
2000 Black Toyota Celica
Adrenaline
2000 Toyota Celica

Joined: Apr 2004
Posts: 116
PA
Jun 10, 6:01pm - #196951 
spatzikid, clearly i am aware brand name companies have R&D behind them, although duplicating their product is not rocket science. I would much rather pay the money for the TPR Intake (like Easy C said, which i was not aware of) in comparison of making my own due to the appearance adn also saying "homemade Intake" doesn't sound too promising, but i'm sure it could surprise you. I really don't think there would be a huge difference between that homemade idea and an AEM, I know that's a bold statement and I have no proof, so it's not that credible. the location of the filter, the diameter, and the MAF sensor is what is important to Performance and in that home made it would be all the same, except not polished aluminum. i would just like to know if anyone on here has done this, how it worked and did anyone test it on a dyno?

Joined: Aug 2003
Posts: 4,278
Virgilson
TheFilipinoCrew
Virgilson

TheFilipinoCrew
2000 Toyota Celica GT

Joined: Aug 2003
Posts: 4,278
Pomona, CA
Jun 10, 6:06pm - #196952 
haha ebay. spineyes thumbsup

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Posts: 116
mxsuperfly25
Adrenaline
mxsuperfly25
2000 Black Toyota Celica
Adrenaline
2000 Toyota Celica

Joined: Apr 2004
Posts: 116
PA
Jun 10, 6:14pm - #196953 
AHH i didnt know that was on ebay, so i guess that's all bs and that diameter around the MAF doesn't make a dif? i guess the ECU would kind of adapt to it?

Joined: Sep 2003
Posts: 476
Easy_C
Senior Member
Easy_C
2000 Spectra BLUE BABY! Toyota Celica
Senior Member
2000 Toyota Celica

Joined: Sep 2003
Posts: 476
Mass
Jun 10, 9:20pm - #196954 
the MAF environment is critical to the engine making power. Look at Injen. its maf placement makes a horrible low end. however its short piping allows for a better high end. AEM allows for more low end. however its longer piping makes it suffer up high. The TPR has shorter piping than Injen, however incorporates the fins and piping diameter so it compares with AEM's low end and Injens high end and demolishes both at lift switch over. Theres threads on it all over celica boards, Ecelica, Team Celica, Club Celica, New Celica all have threads. I would suggest visiting the new celica site and check the Intake threads and you will see what people think of it smile but for comparison i have driven a homemade Intake, ebay Intake, Injen Intake, AEM Intake and the TPR.


TPR Intake! - Injens high end with AEM's low end and NO BOGGING!
TPR EXHAUST! - Exhaust made 10.5 whp peak and 32 whp at 6300 on my car!!!
http://www.tuningprecisionracing.com/shop
Joined: Oct 2003
Posts: 1,669
ravertony
Specialist
ravertony
2002 Super White Toyota Celica
Specialist
2002 Toyota Celica

Joined: Oct 2003
Posts: 1,669
MADERA, CA
Jun 10, 10:25pm - #196955 
the ECU cant adapt to it mxsuperfly because it is a physical aspect of the MAF sensor's soroundings which it cant understand and the ecu is limited to so little flexiblity. the only way would be too manually edit the settings, which a stock ECU doesnt allow thats why you need an EXPENSIVE aftermarket ecu like from apexi to adjust.. thats probably the only circumstances where AEM and Injen Intakes can really do their best with an aftermarket ECU.. but i could be wrong spineyes now TPR has an advantage because it plays our stock ECU...

simply put in my opinion
with stock ECU - TPR is better then Injen, AEM (dont take me wrong they still do okay)
with aftermarket ECU - All three Intakes are improved to the same level smile

Joined: Apr 2004
Posts: 116
mxsuperfly25
Adrenaline
mxsuperfly25
2000 Black Toyota Celica
Adrenaline
2000 Toyota Celica

Joined: Apr 2004
Posts: 116
PA
Jun 11, 3:43pm - #196956 
hey guys thanks a lot for all your info, one of my friends has an AEM on his gts, i'm going to throw it on mine and see how i like it, i will do some more research on that TPR before making a purchase, thanks again! -don

Joined: Jul 2003
Posts: 517
Krayze
Senior Member
Krayze

Senior Member

Joined: Jul 2003
Posts: 517
Pittsburgh, PA
Jun 11, 6:36pm - #196957 
anyone got a link ot the tpr Intake?


67 mustang fastback
289 v8
soon to have 5 spd
Joined: Oct 2003
Posts: 1,669
ravertony
Specialist
ravertony
2002 Super White Toyota Celica
Specialist
2002 Toyota Celica

Joined: Oct 2003
Posts: 1,669
MADERA, CA
Jun 11, 8:13pm - #196958 
Originally Posted by Krayze
anyone got a link ot the tpr Intake?


PM easy_c .. he's the owner of TPR... their website is not done yet so.. just send him a message

Joined: Sep 2003
Posts: 476
Easy_C
Senior Member
Easy_C
2000 Spectra BLUE BABY! Toyota Celica
Senior Member
2000 Toyota Celica

Joined: Sep 2003
Posts: 476
Mass
Jun 11, 9:35pm - #196959 
wave


TPR Intake! - Injens high end with AEM's low end and NO BOGGING!
TPR EXHAUST! - Exhaust made 10.5 whp peak and 32 whp at 6300 on my car!!!
http://www.tuningprecisionracing.com/shop
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