Is a tune needed when installing a K&N FIPK

[cobraj]

My 03 is stock with the exception of a prochamber and a magnaflow catback. I would like to add the CAI but dont want to drop $500 on a tune. And I fear by messing with the computer they will void my warranty,

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[Flyn]

You don't need a tune. Disconnect the battery during the install and the computer will compensate for the extra air flow more quickly. FIPK is a great mod. You will notice more blower noise and a slight power gain.

 

[Wiked03]

You don't need a tune. Disconnect the battery during the install and the computer will compensate for the extra air flow more quickly. FIPK is a great mod. You will notice more blower noise and a slight power gain.

What he said.

 

[Bob_Kurgan]

I dynoed a car that was BONE stock with the exception of a K&N FIPK at the MMA dyno day a few months back. When i started the dyno run, the car was 14 to 1 a/f up to about 3k rpm.... to say I was surprised was an understatement and I stopped the pull IMMEDIATELY... I contacted Chris Johnson immediately after that run and asked him what he thought.. he said, of the HUNDREDS of 03/04 cobras he has dynoed, the K&N FIPK makes the cars run SO LEAN that he has a special program just for the K&N ... not even a pulley.. he said he adds almost 20% of fuel throughout the entire range (which brings the a/f from 14 to 1 to about 11.5 to 1)...

so, to answer your question, YES it does... all you need to do is dyno your car and you will see what I mean..

 

[Flyn]

I dynoed a car that was BONE stock with the exception of a K&N FIPK at the MMA dyno day a few months back. When i started the dyno run, the car was 14 to 1 a/f up to about 3k rpm.... to say I was surprised was an understatement and I stopped the pull IMMEDIATELY... I contacted Chris Johnson immediately after that run and asked him what he thought.. he said, of the HUNDREDS of 03/04 cobras he has dynoed, the K&N FIPK makes the cars run SO LEAN that he has a special program just for the K&N ... not even a pulley.. he said he adds almost 20% of fuel throughout the entire range (which brings the a/f from 14 to 1 to about 11.5 to 1)...

so, to answer your question, YES it does... all you need to do is dyno your car and you will see what I mean..

I have had my car dynoed both before and after and my A/F was still dropping off the graph at higher rpms. Too rich rather than too lean.

A dyno run with A/F testing is always a good idea after any mod that may affect it.

 

[Wiked03]

I dynoed a car that was BONE stock with the exception of a K&N FIPK at the MMA dyno day a few months back. When i started the dyno run, the car was 14 to 1 a/f up to about 3k rpm.... to say I was surprised was an understatement and I stopped the pull IMMEDIATELY... I contacted Chris Johnson immediately after that run and asked him what he thought.. he said, of the HUNDREDS of 03/04 cobras he has dynoed, the K&N FIPK makes the cars run SO LEAN that he has a special program just for the K&N ... not even a pulley.. he said he adds almost 20% of fuel throughout the entire range (which brings the a/f from 14 to 1 to about 11.5 to 1)...

so, to answer your question, YES it does... all you need to do is dyno your car and you will see what I mean..

I had mine dynod when I had only K&N FIPK and the flowmaster catback.... not only was it NOT lean, but it was VERY rich... especially up top. I guess that just proves that every car is different.

 

[Bob_Kurgan]

well, there are 2 more reasons to get it dynoed to see a/f..... dont wanna wash the rings down either with it being overly rich... thats just as bad..

 

[nytebyte]

I had my car dynoed when I had the K&N FIPK as my only mod.

It made 398 rwhp and my A/F also dropped off the graph because it was too rich.

I'd be surprised to see a K&N cause the A/F to go into the 14's.