Thanks for all the dimensions.
Walker BTM
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Locomotive breath
Joined: Jan 2006
Posts: 1,354
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From: Mid Oh. Ponderosa
Walker BTM
For the one's who have this muffler, how well do you like or don't like it. I have a 4" straight -pipe on the truck now and want to get rid of the drone, usually when going up-hill with a load. Thanks, Bill
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Joined: Jan 2009
Posts: 2,544
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From: Suffolk, VA
I love mine, couldn't be happier. I can't say if it helped with EGTs or not, since I did it before I added gauges and the DP Tuner. But I can tell you there is no drone, and with the windows rolled up I noticed no increase in noise in the cab either. Outside it's a bit louder and with the windows down I can really hear the turbo singing now, but nothing obnoxious. I'd do it again, and it was super easy to clamp on. I'm a novice welder and I did a poor job tacking the OE hangers on to it, but it's held up so far too.
Post Fiend
Joined: Nov 2007
Posts: 9,549
Likes: 14
From: Payson, AZ
[quote=DISLFVR;7482836]For the one's who have this muffler, how well do you like or don't like it. I have a 4" straight -pipe on the truck now and want to get rid of the drone, usually when going up-hill with a load. Thanks, Bill[/quote
The Walker BTM (P/N 21470) is 3/12 inlet and outlet. You have a 4" exhaust. Something to think about when it comes to fitment.
The Walker BTM (P/N 21470) is 3/12 inlet and outlet. You have a 4" exhaust. Something to think about when it comes to fitment.
Senior User
Joined: Apr 2007
Posts: 252
Likes: 0
From: Memphis
I love mine, couldn't be happier. I can't say if it helped with EGTs or not, since I did it before I added gauges and the DP Tuner. But I can tell you there is no drone, and with the windows rolled up I noticed no increase in noise in the cab either. Outside it's a bit louder and with the windows down I can really hear the turbo singing now, but nothing obnoxious. I'd do it again, and it was super easy to clamp on. I'm a novice welder and I did a poor job tacking the OE hangers on to it, but it's held up so far too.
Postmaster
Joined: Jan 2009
Posts: 2,544
Likes: 4
From: Suffolk, VA
Comparing to the stock muffler.
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Locomotive breath
Joined: Jan 2006
Posts: 1,354
Likes: 1
From: Mid Oh. Ponderosa
I commented to the wife the other day I couldn't hear the turbo whistle like I used to. I thought something was wrong with it. I took the tube and air filter off and started it up and then shut it down to watch the wheel, took it almost 30 seconds to stop. I then felt it, virtually no play. I know my hearing ain't what it used to be, she agreed.
I hope this muffler takes care of the drone. It was ok for awhile, but now it's annoying.
I hope this muffler takes care of the drone. It was ok for awhile, but now it's annoying.
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Senior User
Joined: Apr 2007
Posts: 252
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From: Memphis
I might be tempted to try it if it would take some bite out of my straight pipe.
Doesn't bother me in the cab at all but I have driven a vehicle while next to my truck going about 45-55mph and it was pretty obnovious.
Doesn't bother me in the cab at all but I have driven a vehicle while next to my truck going about 45-55mph and it was pretty obnovious.
