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Joined: Aug 2004
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Especial187
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Especial187 Sep 27, 6:20am - #285446 
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2000 Toyota Celica

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O.C. California
4-2-1 versus 4-1 Headers

What the &$% is the difference. I know that one is four pipes into two then one and the other is four into one. What I want to know is what is the power difference for them? Thanks
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Blue_Bomber
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Blue_Bomber Sep 27, 6:44am - #285447 
2000 Spectra Blue Mica Toyota Celica
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2000 Toyota Celica

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Freehold, NJ
Usually, a 4-1 is good for top end gains only, while a 4-2-1 gives midrange and top end. Think of the 4-1 as an Injen CAI on a GTS, and the 4-2-1 as an AEM CAI. wink
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Especial187
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Especial187 Sep 27, 6:51am - #285448 
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2000 Toyota Celica

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O.C. California
Thanks How can I get my low end torque up?
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Blue_Bomber
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Blue_Bomber Sep 27, 7:00am - #285449 
2000 Spectra Blue Mica Toyota Celica
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2000 Toyota Celica

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Freehold, NJ
To get great low end gains, you'd have to get a Turbo or better yet, an SC. If that's not an option, get an CAI like AEM or TPR and/or an exhaust like TRD or TPR. All four give decent low end gains, and are even better when paired together. The gains won't blow you away or anything, but they're better than stock, and will make daily driving a bit easier at low RPMs. smile
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QTRMLR_1
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QTRMLR_1 Sep 27, 9:22am - #285450 

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2002 Toyota Celica

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Los Angeles, CA
A PFC will blow you away or rather blow the competition away from the low end torque it gives you.

I get my kicks on EC.
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Blue_Bomber
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Blue_Bomber Sep 27, 7:50pm - #285451 
2000 Spectra Blue Mica Toyota Celica
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2000 Toyota Celica

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Freehold, NJ
Originally Posted by QTRMLR_1
A PFC will blow you away or rather blow the competition away from the low end torque it gives you.
How much torque at peak low end does the PFC give a stock car GTS, anyway? Haven't seen any dynos.
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QTRMLR_1
Specialist
QTRMLR_1 Sep 27, 8:12pm - #285452 

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2002 Toyota Celica

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Los Angeles, CA

I get my kicks on EC.
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Posts: 615
ikin
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ikin Sep 28, 3:39am - #285453 
2000 silver Toyota Celica GT
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2000 Toyota Celica GT

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california
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Blue_Bomber
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Blue_Bomber Sep 28, 4:05am - #285454 
2000 Spectra Blue Mica Toyota Celica
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2000 Toyota Celica

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Freehold, NJ
Not bad, but the TPR CAI/Exhaust combo is neck and neck with the PFC down low (and beats it by 5hp+ up high), plus they cost half as much (including dyno time) and won't void any warranties (PFC voids just about everything). wink
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Rocketman
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Rocketman Sep 28, 4:08am - #285455 

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01 Toyota Celica

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Idaho Falls, ID
Originally Posted by Blue_Bomber
Not bad, but the TPR CAI/Exhaust combo is neck and neck with the PFC down low (and beats it by 5hp+ up high), plus they cost half as much (including dyno time) and won't void any warranties (PFC voids just about everything). wink


Actually, they cost 1/4 as much. However, "Neck and Neck" Is kind of a dumb way to put it. The power FC is 10 times better than an Intake. I don't care which one. At the moment it is the SINGLE BEST MOD for our cars.
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Clos
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Clos Sep 28, 4:14am - #285456 
2000 Spectra Blue Toyota Celica
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2000 Toyota Celica

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Alexandria, VA
if i was you i would get the true race header TPR is coming out with
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