Test Pipe vs HFC

p3t3rc

Hello All,

Still new to the game so any insight is greatly appreciated. Currently running a stock system. Looking to pick up CAI and True Dual Exhaust System. Both from AAM. But which is better? Test Pipes? or HFC?

Looking to go FI eventually but the above mentioned will be the only mods for a while. Also this is going to be a daily driver for the time being. Again any info is greatly appreciated. Thanks!

wanker

Both are illegal in CA.

p3t3rc

This I know.. But I would still like more info on it.


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BC416

Test pipes are generally cheaper but will be more raspy/loud. Both will net you similar power gains and both may throw a CEL. I wouldn't classify either as "better" but IMO, I prefer to minimize rasp as much as possible so I'd go with HFCs.

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F.I. / K&N / 180 / Forgestar

FPenvy

TP's will be louder and gain you more power over HFC

depends on what you are looking for sound and power wise.

if you want both to increase then go TP's it's really the only way to go.

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324whp/258wtq AAM Tuned |F.I. NonRes CF CBE/NonRes TestPipes #373|UpRev Tuner|Akuma Motorsports Intakes|Z1 34 Row Oil Cooler

p3t3rc

BC & TP - thanks for the info.. Is there anyway around the CEL coming on?


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FPenvy

fast intentions products will not throw a CEL and if they do they will work with you to make it right.

40k miles on my FI TP/CBE set up and not one issue ever nor a CEL.

most CEL's come from incorrect installation where the O2 sensors get beat aroudn or wires stretched then the CEL comes up.

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324whp/258wtq AAM Tuned |F.I. NonRes CF CBE/NonRes TestPipes #373|UpRev Tuner|Akuma Motorsports Intakes|Z1 34 Row Oil Cooler

BC416

Certain TPs/HFCs will come with extended 02 bungs to minimize CEL risk. You can also have the car tuned via Uprev/ECUtek to have it not look for the CEL. I've heard of all kinds of TPs/HFCs either getting one or not so its kinda a crap shoot.

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F.I. / K&N / 180 / Forgestar

p3t3rc

So essentially if I get the system installed at the stealership I should be fine?

If I did the installation at home.. And went to tune would that help? Trying to save on cost of possible.


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p3t3rc

Looking at the AAM system


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FPenvy

i know with having my own uprev cable i can go in check the codes and clear them if needed. but since my tune i've never had a need to use it. no codes.

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324whp/258wtq AAM Tuned |F.I. NonRes CF CBE/NonRes TestPipes #373|UpRev Tuner|Akuma Motorsports Intakes|Z1 34 Row Oil Cooler

BC416

I'd stay away from dealership install, especially being in Cali.

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F.I. / K&N / 180 / Forgestar

p3t3rc

I'll have to look into that.. How much did yours cost if you don't mind me asking.


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p3t3rc

I know.. I just paid a fortune for AC and fluid flush.


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FPenvy

nooooo stay away from dealerships. also i dont think many would install aftermarket parts that essentially can void the warranty and are illegal per the states law.

installation is pretty simple aside from the dreaded nissan demon bolt.

if you add full exhaust and intakes a tune is a big help. it not only maximizes the power but typically those mods together tend to lean out the fuel mixture and could possibly cause an issue.

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324whp/258wtq AAM Tuned |F.I. NonRes CF CBE/NonRes TestPipes #373|UpRev Tuner|Akuma Motorsports Intakes|Z1 34 Row Oil Cooler