MBRP Quiet Cat-back
Tuned
Joined: Feb 2004
Posts: 301
Likes: 2
From: Florida
Ya, I am not planning on removing the cat either. I was thinking that if I put the DP on, I would have the Diesel tech at Ford do it after he did the three recalls that are out (or going to be out shortly). For some reason, I feel better about having the diesel teck at Ford install the DP then someone else. Which by the way, he thinks that the DP would be a good idea.
Elder User
Joined: May 2005
Posts: 968
Likes: 0
From: Tennesee
Afternoon members,
If you have an MBRP and want to stay stock volume wise keep the cat in place. If you want to hear the engine "talk" get the cat test pipe, it only works on cat back systems though as Ford's ball & socket flange is pretty variable in size from truck to truck. If yuo really like the engine sound and the turbo get the cat test pipe and the muffler delete. I am running the duals and test pipe on a early 11-02 build 2003 and it's awesome, but then agian I live and breath diesel too!
If you have any questions call us we'll be glad to help.
Mark @ DPPI
If you have an MBRP and want to stay stock volume wise keep the cat in place. If you want to hear the engine "talk" get the cat test pipe, it only works on cat back systems though as Ford's ball & socket flange is pretty variable in size from truck to truck. If yuo really like the engine sound and the turbo get the cat test pipe and the muffler delete. I am running the duals and test pipe on a early 11-02 build 2003 and it's awesome, but then agian I live and breath diesel too!
If you have any questions call us we'll be glad to help.
Mark @ DPPI
Junior User
Joined: Nov 2004
Posts: 71
Likes: 0
From: Cincinnati, Ohio
Mark,
Thanks for the feedback. On my 05, the goal was more whistle and a bit more roar. My install is a single, cat back (I have the DP but did not install, PS. Nice welds) installed (CC LB) with the muffler in the slat open to the rear.
Net result from install is: not much if any increase in whistle, and a bit more roar. Question is, how much will an 05 really increase in whistle if the kitty leaves the building?
Thanks,
Pete
Thanks for the feedback. On my 05, the goal was more whistle and a bit more roar. My install is a single, cat back (I have the DP but did not install, PS. Nice welds) installed (CC LB) with the muffler in the slat open to the rear.
Net result from install is: not much if any increase in whistle, and a bit more roar. Question is, how much will an 05 really increase in whistle if the kitty leaves the building?
Thanks,
Pete
Senior User
Joined: Jul 2004
Posts: 157
Likes: 0
From: arizona
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Senior User
Joined: Dec 2004
Posts: 142
Likes: 0
I wanted to do my muffler delete today but I can't find anyone with 4" I.D. pipe......only 4" O.D.
Anyone have any ideas who might carry something off the wall like that? I'd order it online (and will if I have to) but I wanted to change it out this weekend.
Anyone have any ideas who might carry something off the wall like that? I'd order it online (and will if I have to) but I wanted to change it out this weekend.
Posting Guru
Joined: Oct 2004
Posts: 1,016
Likes: 0
From: Lynden, WA.
Originally Posted by Rodslinger1
I wanted to do my muffler delete today but I can't find anyone with 4" I.D. pipe......only 4" O.D.
But I think for the thirty bucks or so, it's worth going through MBRP for the correct part.
-Steve
Senior User
Joined: Dec 2004
Posts: 142
Likes: 0
I'm out of town next weekend, so I really wanted it done this weekend. I called all the diesel performance shops in Houston and no luck. What I think I'm going to do is pull the MBRP muffler, cut the ends off (its 4" ID) and have them weld them to 4" OD at a local shop who has the OD. That should work great, save me some time and $. The only problem with that is if its too loud, or sounds like crap, I've no muffler to put back on. 
NOW IF IT WOULD JUST STOP RAINING SO I CAN WORK ON IT!!!!!
NOW IF IT WOULD JUST STOP RAINING SO I CAN WORK ON IT!!!!!
Last edited by Rodslinger1; Jul 15, 2005 at 01:17 PM.
Elder User
Joined: Mar 2004
Posts: 790
Likes: 1
From: Fort. Lauderdale FL,
I love it but i will tell you man there are alot that dont... I pulled up to a 7-11 the other day to get a slurpee and i leave the truck running if i am only going in for like a drink and i can still see the truck. I leave the key in of course and i take my spare that i keep on a clip and i lock up the truck...well some guy in a little sports car was waiting for me when i came out.. parked like 3 spots to the passenger side(exhaust side haha) man o man was he unhappy... I felt kinda bad but not after he started talking...."damn kid ***************** i guess he didnt find it funny.... i did drive away with the windows down sniffing with a big smile on my face...:-)
ryan
ryan