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Sep 2, 2008 | 06:54 PM

scrufff

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From: BROOKLIN ONTARIO

Exhaust

I OWN A 04 F350 DUALLY DIESEL,,CAN i HAVE YOUR OPINIONS ON WHICH EXHAUST SYSTEM i SHOULD NOW UPGRADE TO. I ALREADY HAVE AN EDGE MODULE,,AFE COLD AIR INTAKE,,AUTO METER TRIPLE GAUGES,,BOOST,,PYRO,,TRAN TEMP. SHOULD I GO TO A FULL 4 INCH SYSTEM,,OR GO BIG WITH A 5INCH? AND WHAT MAKE OF SYSTEM???

Sep 2, 2008 | 07:32 PM

scrufff

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From: BROOKLIN ONTARIO

P.s.,,also Should I Delete The Cat And The Muffler??? What Will Doing This Do To The Engine? Or Smog Emmisions? Will It Pass A Smog Test Like This?

Sep 2, 2008 | 07:41 PM

liv

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From: Kansas City/Breckenridge

Quote:

Originally Posted by scrufff

P.s.,,also Should I Delete The Cat And The Muffler??? What Will Doing This Do To The Engine? Or Smog Emmisions? Will It Pass A Smog Test Like This?

I believe you can delete the muffler and still pass smog not for sure though. If you can I strongly recommend getting rid of them it does wonders for EGT's

As far as size 5" is pretty pointless unless your pushing some extreme hp #'s

brand is very debatable I've been happy with my mbrp still looks like new after 5 years, but to each his own.

Sep 3, 2008 | 05:47 AM

DSMMH

Fleet Mechanic

Joined: Jun 2006

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I have the T-back MBRP on my X with the MBRP muffler and no cat. I got three very noticable improvements right away.

Turbo lag is eliminated

EGT's are lower

Turbo whine increases dramatically

The only thing I don't like is I have an exhaust drone at about 55 to 62 MPH but the radio fixes that.

DSMMH