First off I am new here and love the wealth of info on this site and could read it for hours on end. My question is that PP now sells a new muffler that is like $20 more than "their original" (Donaldson M100463) that supposedly has better flow and a louder sound. Does anybody know the Donaldson # for it or is it actually something they make on their own. Thanks to all in advance.![]()
Part # for the new PP muffler
Discussion in 'Trucks [ Eighteen Wheelers ]' started by J P, Oct 29, 2010.
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Donaldson M100463 is what you're looking for.
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Unless they just came out with this muffler in the last two weeks..........it's the same muffler with a new price. PP had a Donaldson M100463 on display in their booth at the truck show I was at Oct 16 in Dozwell VA.
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Mr Haney can you pm me your contact info
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Please excuse my ignorance. I over-read the parentheses (Donaldson M100463)
sorry -
I sent you a personal message
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This is what their site says about the mufflers. Pasted it right from it, pics of them wouldn't transfer for some reason. Sounds to me like they definitely have a new one. I am assuming the $158 one is the 100463. I know their website has had some updates because now they have videos uploaded about some of their stuff. One of which is about their "new" muffler.
PERFORMANCE SPORT 51.5" UNIVERSAL STACK MUFFLER
Our New Performance Sport 51.5" universal muffler offers an alternative to the 51.5" Quiet Performance universal muffler This muffler uses acoustic louver sound dampening This muffler is lo...
Model : 51.5"L 10"W
Weight : 44.00
$178.00
QUIET PERFORMANCE CLASSIC 51.5" UNIVERSAL STACK MUFFLER
Our Quiet Performance 51.5" universal mufflers cancel out sound waves by directing them into one another to absorb sound energy without added restriction Up to 50 additional horsepower, impro...
Model : 51.5"L 10"W
Weight : 34.00
$158.20 -
Here is the full description of the "new" muffler
Performance Sport
51.5" universal stack muffler
The Performance Sport is a new type of flow though muffler using a series of small sound catching cups or louvers to dampen sound. Acoustic louver sound dampening is nothing new but we have brought this technology to the trucking industry in our new line of performance mufflers. This muffler is a universal fit and will fit in most trucks. This muffler and other acoustic louver sound dampening mufflers are directional. This type of muffler is noticeably louder but dampens the harsh tones you would otherwise hear with straight pipes.
51.5"L 10"W 5" inlet 5" outlet
These mufflers are not suitable on trucks with DPF systems
See our drop in replacement 387 mufflers here Peterbilt 387 Muffler
To order please Click "Add to Trailer"
$178.00 -
Walker makes flow throughs that are basically a big resonator, just a funnel at the top and bottom nothing in the middle, you could drop a baseball through one.
I have a pair on mine and was very surprised at how much faster it revs with them at first it was hard to keep it below 1500 rpm going through the lower gears....best part is that they were about $70 per. -
My 379 sounds good with a set of walkers walkers on i had to get them for my local truck cause 55+ community ( i don't know hwo the genius was that decided to build a a senior community close to commercial property) neigbors are really picky but i strongly believe that mufflers are just added weight
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