Check out this one too. Under $90.00
http://www.ryderfleetproducts.com/c.../oid/158103/pn/Muffler/erm/product_detail.jsp
high flow mufflers
Discussion in 'Trucks [ Eighteen Wheelers ]' started by poorrednek, Oct 27, 2009.
Page 5 of 16
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How do you "know" when you need to replace mufflers. I have an '04 Classic and I'm thinking I may need them. I hear a lot of engine noise, turbo whistle etc. but very little if any exhaust sound. Also, the turbo seems to be struggling at highway speeds occassionally (It is a relatively new turbo). My truck has 723,000 miles and I really don't know if the mufflers have ever been changed.
Any advice is appreciated. -
Any truck will benefit from a muffler upgrade, especially with the mileage you have. I changed out mine at 650,000 and it made a big difference on my C15 Cat. When I went to buy the 100463 (Pittsburgh Power) at Truck Pro they didn't have it. Since I already took the exhaust apart I had to put something on. I looked inside the 100465 and it looked like a good flowing muffler except for the bottom baffle. I took an air grinder and cut the bottom baffle out. Amazingly there is almost no noise increase except for when on the the Jake. Truck runs much better and I picked up 3/10ths.
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Thanks, I should pick up a couple and put them on when I get the chance.
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i have a isx 06 cummins egr i read the manual that it is not good if u put a straight muffler because the egr valve it doesnt work well and it uses power it has to have a backpressure so the vgt so it will work good .this is true? guys
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Has anybody used or heard about Riker mufflers? I bought my 98' 379 Pete 3 years ago with that one installed under the truck and straight pipes on sides. I do not have any complains just want to know if other people used them and their opinion.
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the donaldson m1000463 is this one straight flow, or does it have any restrictions in it ?
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The M100463 is straight thru.....you can look right thru end to end like a glasspack. The muffler has a reverse cone shape in there to damper some sound waves but is open up the middle end to end. It has a nice deep throaty sound to it with no "drone" going down the highway like straights. Nice upgrade.
heavyhaulerss Thanks this. -
just ordered the donaldson today from ryder. 95.00 sh included
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Even if you don't do what I did, there are a number of performance shops that are recommending going with a low restriction muffler, even on the ISX. Have never heard directly of anyone having any problems by putting one on. Several O/O with the company I am leased to have put on high flow mufflers and have not expressed any problem.
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