fipk worth it ??
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Lead Lap
Joined: Sep 2002
Posts: 403
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From: Nevada
fipk worth it ??
hey guys i just wanted to know who has the fipk for the gs400 if its worth it any improvement or just sound ?? im real tempted to just break down and get a s/c but maybe this will hold me over for awhile 
EV ftw!!!
Joined: Nov 2002
Posts: 9,042
Likes: 609
From: Lake Ontario
Originally posted by rominl
call me stupid but what is fipk?
call me stupid but what is fipk?
FIPK = Fuel Injection Performance Kits
http://www.knfilters.com/FIPK/fipk.htm
Lexus Test Driver
Joined: Jun 2002
Posts: 869
Likes: 1
From: California
Originally posted by redgs4
Minimal gain at the higher end and potential loss at the lower. But sounds great and really cleans up the engine bay.
Minimal gain at the higher end and potential loss at the lower. But sounds great and really cleans up the engine bay.
lv2000- Deciding between an S/C and a K&N FIPK? Apples and oranges to say the least...
The SRT intake with ECU mod is supposed to give a bit more power than the K&N.
Here's a pic of the K&N installed on my car:
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Lexus Test Driver
Joined: Sep 2003
Posts: 862
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From: California
Originally posted by jucee187
didnt GURU post saying that if you put an intake other than the SRT/ECU you MUST add a SAFC??.. or else the car will be running lean?..
didnt GURU post saying that if you put an intake other than the SRT/ECU you MUST add a SAFC??.. or else the car will be running lean?..
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Lexus Test Driver
Joined: Jun 2002
Posts: 869
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From: California
I agree, my car shows absolutely NO indications of running lean. In fact it runs excellent under all conditions and pulls like crazy at higher RPM! A bit more intake noise than I would like, but at WOT it sounds awesome! I may also consider a SAFC at some point though...
I have FIPK. On dyno/O2 tests it never ran lean - in fact it runs rich from 4000rpms up (even stock does apparently) so the shop used my SAFC-II to back off the fuel a bit from 4000rpms up.
Thread Starter
Lead Lap
Joined: Sep 2002
Posts: 403
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From: Nevada
its not deciding on a s/c or a fipk thats not even apples to oranges i figured just the fipk for now then in 6 months get the s/c i just bought a rolex so i need to chill out for a couple months
i figured just the fipk for now then in 6 months get the s/c i just bought a rolex so i need to chill out for a couple months
Lexus Test Driver
Joined: Jun 2002
Posts: 869
Likes: 1
From: California
Originally posted by lv2000
its not deciding on a s/c or a fipk thats not even apples to oranges i figured just the fipk for now then in 6 months get the s/c i just bought a rolex so i need to chill out for a couple months
its not deciding on a s/c or a fipk thats not even apples to oranges
i figured just the fipk for now then in 6 months get the s/c i just bought a rolex so i need to chill out for a couple months
Man, just think of the car mods you could have gotten...
K&N states that the air filter could give you an " Increases Power (up to a 26 HP gain) " This is claim is extreme and hardly true for ANY air filter. You'll be lucky if you get 5 hp.
For those of you that have it and DYNOed...did you get notable increase in HP?
Until you get rid of the stock air flow meter (AFM), adding the FIPK neither significantly alter the air/fuel ratio nor the add significant HP gains. Once you start modifying the fuel system, e.g., bigger injectors, modified AFMs, then the AFC would be a handly tool.
For those of you that have it and DYNOed...did you get notable increase in HP?
Until you get rid of the stock air flow meter (AFM), adding the FIPK neither significantly alter the air/fuel ratio nor the add significant HP gains. Once you start modifying the fuel system, e.g., bigger injectors, modified AFMs, then the AFC would be a handly tool.
Lead Lap
Joined: Feb 2001
Posts: 452
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From: Texas
FIPK for the GS430
I know at one point there was no FIPK for the GS430, but then it seems that people were saying it exists. Looking at K&N's site, I only see a normal air filter:
http://www.knfilterchargers.com/sear...x?Prod=33-2220
Does anyone know for sure if the FIPK is available for the GS430 and, if so, what the part # is?
http://www.knfilterchargers.com/sear...x?Prod=33-2220
Does anyone know for sure if the FIPK is available for the GS430 and, if so, what the part # is?
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