4'' down pipe - Page 3

**crewed powerstroke** · #31 11-03-2009, 11:21 PM

YouTube - 2006 PSD OLD EXHAUST

YouTube - 2006 PSD WITH NEW EXAUST - THANKS TO...

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antibullock · #32 11-04-2009, 08:43 AM

I was told by somebody I do not remember who but they told me that you lose somewhere around 60hp with a 4inch down pipe. I didn't think that was true but I figured I'd ask. -

DieselDanBoy · #33 11-04-2009, 08:53 AM

you guys must like to drink alot in PA hahahaha

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**crewed powerstroke** · #34 11-04-2009, 09:16 PM

Hey, thats not nice . I thought everyone knew we drink alot in PA. Afterall we do have America's oldest brewery.

As for the other post I have never heard of reducing back pressure lowering horsepower???

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antibullock · #35 11-05-2009, 09:27 AM

thats what I thought I figured lowering back pressure was the name of the game. and as for the drinking Only a little bit haha

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