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: exhaust latemodelracer2 08-07-2005, 12:17 AM I know a heard a few people talking about it a while back but has a turbo back exhaust ready for our trucks(lly) Im affraid my temps are going to be to high pulling my big trailer which i will know tommorow. Also my exhasut is too loud on my powerstroke when you drive for hours on end. Is there such thing as a high flow quiet muffler? JohnOH327 08-07-2005, 12:36 PM My exhaust brake sits in front of my muffler, so I would have to find a larger exhaust brake to benefit from a larger exhaust. Don't know how restrictive the stock muffler is. I bet a diesel machanic would be the guy to ask. Good Luck, John latemodelracer2 08-07-2005, 01:49 PM i forgot about the exhaust brake. So really all we can do is a buy a better muffler. J-M 08-17-2005, 08:50 PM Yes. Find a local Donaldson dealer and go find a straight through muffler like is on the big trucks. What I did was to go from the back of the E Brake with a 3 to 4 inch pipe addapter. Then to this long muffler ,about 3 feet long. With no cat and this muffler there is no noticable difference in the cab. My wife and I drive long distances pulling 44 foot horse trailer, and I did not want anything louder than stock. I was very pleased that it was so quiet. A Donaldson muffler dealer has books that tell you flow rate and decibles of the mfflers so you can find one thats right for you. Hope this helps. latemodelracer2 08-18-2005, 03:03 PM Yes. Find a local Donaldson dealer and go find a straight through muffler like is on the big trucks. What I did was to go from the back of the E Brake with a 3 to 4 inch pipe addapter. Then to this long muffler ,about 3 feet long. With no cat and this muffler there is no noticable difference in the cab. My wife and I drive long distances pulling 44 foot horse trailer, and I did not want anything louder than stock. I was very pleased that it was so quiet. A Donaldson muffler dealer has books that tell you flow rate and decibles of the mfflers so you can find one thats right for you. Hope this helps. soudns good except im in a little town so ill probley have to order stuff. What were your egt temp drops? J-M 08-22-2005, 08:30 PM Do not have a pyro yet, soon I hope. Temps should have dropped alot. Might check with the guys with light trucks to see what there temps were before and after.I have heard over 100 degs. latemodelracer2 08-23-2005, 11:47 PM sounds good man. I need to do somthing or sell the predator one | ||