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Old 07-17-2010, 04:15 PM

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Performance question

I have a 2010 f250 crewcab 4x4 with 3.55 gears, sparton 275 tune, dpf/cat delete, soon to be installed afe stage 2 si. My question is will I gain any power at all from removing the factory catback exhaust with something else that doesn't have a muffler ? Will it lower egts?

I have tried to look at dyno runs but haven't seen any good runs to compare the difference between the factory catback and a aftermarket on a modified truck.

Next question what is a high engine oil temp? Truck is fairly new and almost has 1000 miles. Going to switch over to synthetic when service time comes around.Thanks in advance.

Last edited by jrstang473; 07-17-2010 at 07:30 PM.
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Old 07-17-2010, 05:44 PM
Warheads on Foreheads

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as far as the exhaust, installing a 4-5" downpipe will lower egt, but the stock muffler on there is flow-through so it doesn't make much difference to remove it or leave it on the truck.
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