Flowmaster 817568 Direct-fit Muffler - American Thunder sound clip

bri6679 said:

i used long breaker bar for final last turns and some grunt.. ratchet alone doesn't have leverage u can use a steel pipe on handle to add more

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noupf said:

same one i have. Nice and throaty but not too loud. I'm very happy with mine.

Just curious.....how tight did you get those band clamps? I swear i have a slight leak at one the joining points, but i really cant tighen them much more by hand.

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RAMpant1500 said:

I just bought my 2010 1500 5.7 and I want to upgrade the exhaust to something like this. But this muffler has one inlet and 2 out... I thought these trucks were true dual.

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Drummin4jc said:

Welcome to the forum! "True dual' exhaust's are a thing of the past on trucks from the factory. You wont' have any problems finding a muffler to upgrade your exhaust with the single in/dual out.

Adam

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bri6679 said:

I suggest using a breaker bar too much force on a ratchet can break it... I also love the way it sounds not too loud but good when do you step on it



Sent from my SM-N915P using Tapatalk

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Turbo Brian said:

breaker bar? what? i broke two of the 3 clamps that flowmaster sent me with a ratchet. a 2.25" clamp i broke the threaded bolt clean in half. the 3" clamp stripped the other day when i went to tighten it due to the muffler sliding back. got a couple ROL stainless band clamps on there now. the tailpipes are both good and tight and dont slip, gotta see how the 3" goes. just put that on last night. its tight, but nowhere near super tight for fear of breaking the damn thing again. probably getting it welded if it keeps slipping.

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