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393 Posts
Discussion Starter #1
I'm shopping around for a DPF/CAT delete pipe & Spartan tuner for my mechanically challenged friend.

I've had one dealer tell me that the stock air intake will not flow enough air with the 250 tune. I've been running the 250 tune now for 6 months with the stock air intake with no issues, but then again I use my truck for towing, not racing.

Am I missing performance and/or fuel economy by using the stock air cleaner?

Is there a big advantage to making the change?

Should I change the intake when I do the delete on my buddy's truck?
 

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Senior Member
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1,415 Posts
I have run my stock air box with 275 tuning for 70,000 km, The only time i suck my minder down is if im hard on it with the filter starting to get dirty.
 
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