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So I got my EGT's back under control last night, I drilled 7 5/16 holes in the baffle and it cooled it down alot. Not as quiet as it was but alot cooler, so mabey I've found a happy medium. My muffler inside looks alot like that one in Blendmaster's pic, perforated tube but one baffle welded...

Hadn't thought of that, I'll have to look when I pull the pipe back off. I was thinking of drilling a couple of holes in the baffle to give a little more flow, But that will kill the whole reason I bought the muffler to start with.

Alright so I got to go on a longer ride than my normal 6 mile trip with the new muffler and I have some bad news....... In my truck this ones too much of a restriction. My EGT's are way up and the farther you drive it the less amout of throttle you can give it due to EGT's, making the accel to...

Yeah the stacks about 9 in. longer now forgot to mention that. Thanks for posting the pics, I've been swamped at work today so I didn't get around to it.

http://s922.photobucket.com/albums/ad70/rodeo_mike/?action=view&current=DSCF4016.mp4 Outside before http://s922.photobucket.com/albums/ad70/rodeo_mike/?action=view&current=DSCF4017.mp4 Inside before http://s922.photobucket.com/albums/ad70/rodeo_mike/?action=view&current=DSCF4018.mp4 Outside...

Just put the donaldson muffler on, here's a before and after of my truck. I haven't been able to get a video running down the road yet, but it's defenetly alot quieter. You can hear the roar of the tires now. You can still hear the turbo when your running down the road but otherwise it's got...

Do both the dynomax and donaldson mufflers have baffles or is one of them a straight through design?