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offroad03 09-27-2013 07:37 PM

exhaust delete question
I have an '03 ram with the 4.7. I have tried searching the threads for my answer. I am thinking of deleting my muffler with a straight pipe since there or no emissions in my state. I cant remember but would this create negative back pressure?

CavalryDave 09-27-2013 11:58 PM

I know that people who get cuttoff's on fourth gens don't seem to have problems because it's behind the cats.

offroad03 10-07-2013 01:58 PM

That's good to know. How about third gens?

CdnoilRAM 10-07-2013 09:15 PM

No issue on the 3rd gens what so ever. Are you keeping the cats or gutting/removing them too? If you do gut/delete them then you'll need a custom tune, which can be an issue with the '03.

offroad03 10-08-2013 05:44 PM

No I am not doing anything with the cats. Just looking to free up a little hp. Will the sound be very loud? When I have the $$$ I will put in a nice aftermarket muffler.

CdnoilRAM 10-08-2013 08:48 PM

It will be loud, but not obnoxious. I ran a set of e-cutouts on my '07 before the muffler and after the high flow cats and I loved the sound.

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