The stock GM-X Turbo is not a real big noise maker to begin with..
Making sure that all of your Turbo system is in tip-top shape will help.

The k47 intake is larger by comparison to the square airbox the 96' has.
It will handle a larger volume of air into and has a round air filter vs the flat square box filter of the 96'.

The one thing Diesel need is LOTS of air.

 

I believe I have the GM-5 turbo. Is that what you were referring too when you said GM-X or we're there newer turbos I don't know about? And what should I check in my turbo system to make sure it is in tip-top shape?

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K47 has cylindrical filter comes from 97+ truck.


Unfortunately, the gasser and diesel have different air box and the diesel airbox is harder to come by.

S&B filter makes a box that are ready to install but it is pricy running around $300.

 

Could I run a gasser air box? And what's the difference?

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Gasser air box has the engine side opposite of the diesel box.
Another tidbit is that the actual "K47" option is just the larger filter element. To search on car-part.com look for 97-99 diesel airbox. The diesel air boxes are all the same. If you end up getting one from a junkyard be sure they have ALL the pieces[turbo to fender]. It is common for the latches to break or fall off. The latches from the flat panel air box are the same. I have bought several and not paid over $75 for any of them.

 

In OEM format and IME changing that box from flat to round K47 won't do chit, ur pissing up a rope.

 

Geez guy, you're cracking me up! Think I'm just best off making my own?

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Ur better off leaving it alone, keep your $ in your pocket just change the filter out regular and when doing so take special care to assure the box lip is fitted proper making a good seal to keep unwanted particles out. :2cents:

 

Agreed, unless you're in the midst of dumping a ton on performance upgrades, the difference alone isn't going to be necessary or noticeable.

On that note, I do have a flat K&N that I bought for my first 6.5 (which was a 95 ext cab p/u) just sitting on the shelf...

Tell me, what are your daily driving conditions?
Be specific, as your answer will determine whether or not I recommend this K&N vs standard disposable paper filter.
If you fit the bill I'll sell it to you cheap

 

16 years old and a truck like this?



Prepare to buy lots of tools if you want to keep it around.

 

Already got plenty. But yes I'm expecting to do some work... Well, a lot of work...

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