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My Bother In Law has a 1st gen 2wd dually and need some help on aftermarket performance and body upgrades in southern Oklahoma or Northern Texas area. Thanks
 

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Which year 1st gen???

It makes a differnce on what to recommend.

Is he wanting more towing power or playing power??
 

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I will get yall some more details from him and go from there.. Thanks
 

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1993 and wants more power but yet towin capabilitys also
 

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Throwing towing into the mix makes the mods he can do limited.

Does he have a boost gage or a pryometer installed????

Those are the first two items he will need. We need to know the current state of fueling to the engine.

A couple of items he can do if he doesn't have gages yet.

A full turbo back 4" exhaust is a good upgrade. The stock 3" system is restrictive. Just that addition will drop EGT's 100 degrees. It doesn't matter if he runs a muffler or not.

The stock 90 degree air horn on top of the engine is another restrictive item that needs to go. He has two options there. Eather a set of cool tubes or a 2nd gen 24 valve air horn. Eather one will provide more air into the engine. I have dynoed with both setups. They both came in at the same HP and torque readings. The 24 valve setup would be cheaper. Here is a pic of the one I have on my truck.





Here is a pic showing the inside of a stock air horn and a 24 valve air horn. Guess which is the 1st gen air horn. :D

 
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