FIPK vs. SLP airbox

04Prox2 · August 13, 2006

Which is better, I'm leaning towards the SLP airbox. Also a guy I work with has a friend who has an FIPK system that came off his old 2003 6.0, will that fit my 5.3?

thanks

04Prox2 · August 17, 2006

well this went nowhere

TEE · August 17, 2006

Touchy subject with some individuals around here

Look at the S&B box that can be found at Stylinconcepts.com....

TEE · August 17, 2006

I'm not sure but, I think the 6.0 and 5.3 are different part numbers.

95Sierra2500 · August 17, 2006

I've not tried an SLP, but on my fiancee`'s '99 Jimmy I put an FIPK on it. It DOES give an improvement in gas mileage (like 1, maybe 1.5 mpg) and the engine revs freer. Some will argue that due to the design and materials of an FIPK, you don't see the same benefits as a true cold-air intake. However, when hooked to a scanner, her Jimmy sees IAT's of about 10 degrees above ambient, which isn't too bad at all. It's better than the 15-20 above that we WERE seeing with the old airbox.

04Prox2 · August 17, 2006

I'm not sure but, I think the 6.0 and 5.3 are different part numbers.

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Yeah they are, I thought of looking those up right after I posted this. Thanks 95Sierra2500

C & A s Dad · August 17, 2006

Mike, do a serach on this forum on True Flow CAI's and check out their website before you buy.

I have one and am very pleased with it and it does not use a cotton gauze filter.

04Prox2 · August 18, 2006

Mike, do a serach on this forum on True Flow CAI's and check out their website before you buy.

I have one and am very pleased with it and it does not use a cotton gauze filter.

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Will do!

TEE · August 18, 2006

It's big competition now and it's actually pretty cool having all these choices.

With that being said....K&N is still the original and outsells all put together so let the bashing begin!

mikystyle · August 23, 2006

It's big competition now and it's actually pretty cool having all these choices.
With that being said....K&N is still the original and outsells all put together so let the bashing begin!

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K&N all the way. I have had it on my past three trucks and will never change. Its great on my new 5.3l. Definately noticed a difference. Ive seen a few SLP's cant say much. The volants look pretty cool and they have that cold air induction tube. Check those out too.