Bryan Posted April 30, 2022 Report Share Posted April 30, 2022 Found a strange part in my pile, but finally figured it out. My truck muffler has been pretty loud lately. This fit right in there and works great when you take the spring out. Must be some kind of baffle insert. Don't know why they would put such a strong spring in it, don't think the back pressure would push it open. Truck is quiet now. ? ? ? 1 Quote Link to comment Share on other sites More sharing options...
Sniper Posted May 1, 2022 Report Share Posted May 1, 2022 It's to seal the exhaust system for water crossings, lol. 1 Quote Link to comment Share on other sites More sharing options...
Bryan Posted May 1, 2022 Author Report Share Posted May 1, 2022 8 hours ago, Sniper said: It's to seal the exhaust system for water crossings, lol. It works very well with silencing. I staked 3 points on the end of the pipe to keep it from coming out, even though it is a snug fit. Only a slight decrease in performance, but that might be my imagination since it is a lot quieter. I thought I had a leak in the Y pipe/manifold pipe connection, since the truck got louder fairly quickly (within a week) a couple of months ago. Worked on the Y connection with very little change. Nope, must have been the muffler packing collapsing. I did a longer test drive, it doesn't run hotter or show any problems, just quiet like a car. Quote Link to comment Share on other sites More sharing options...
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