DIY 3.5 ltr Cat-Back Exhaust

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Millerwelds1

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Has anyone on here just replaced the stock muffler with a magnaflow? Thinking about going this route with the 14419 muffler. I've seen a couple of vids of the f150 guys doing this, and they sound pretty good.
 

Greg0197

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I did the Magnaflow cat back kit and love the way it sounds now. Not obnoxious but definitely has a growl.
Kit isn’t cheap but it’s some nice mandrel bent stainless. Almost to pretty to put under the truck.

Greg G
 
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Millerwelds1

Millerwelds1

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I've seen those, love the way magnaflow sounds on these, but I have the El so I'd even have to modify that system to fit, being that they don't sell kits for the El.

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JExpedition07

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I have to agree with sjwelds, the V6 doesn’t really have an aggressive exhaust note and A/M setups usually just sound more raspy. The 5.4 V8 is a different story, magnaflow and others sounds ******** on it.
 
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3tonsoffun

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I've seen those, love the way magnaflow sounds on these, but I have the El so I'd even have to modify that system to fit, being that they don't sell kits for the El.

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I have an EL 16 with rear resonator delete. I cut out the middle muffler under the truck and threw in a magnaflow straight thru muffler. Sounds amazing at idle. Drive it 1/4 mile down the street at WOT, turned around, pulled in my driveway, and put the stock muffler back on bc of how retarded it sounded. Keep stock setup and just cut off the rear bumper resonator
 
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Millerwelds1

Millerwelds1

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Got any video? I had a feeling that I might have to weld the resonator back in if I cut the stock muffler out and replaced it with a magnaflow.

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3tonsoffun

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Got any video? I had a feeling that I might have to weld the resonator back in if I cut the stock muffler out and replaced it with a magnaflow.

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So YouTube deleted my videos for some reason but here’s a 17 limited that did it. It’s a lot deeper in person

 
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Millerwelds1

Millerwelds1

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I've seen that one, that is just the resonator delete. That's what I have currently. I think we are in agreement that we want that throaty sound without the raspiness. Just have to figure out a way to get there. Might have to try a couple of different methods to get it to where I'd like it to be. That best one if heard is Jessie James's, but he doesn't say what he did to his.

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3tonsoffun

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I've seen that one, that is just the resonator delete. That's what I have currently. I think we are in agreement that we want that throaty sound without the raspiness. Just have to figure out a way to get there. Might have to try a couple of different methods to get it to where I'd like it to be. That best one if heard is Jessie James's, but he doesn't say what he did to his.

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Oh ok, gotcha now. Only thing I haven’t tried is like you said, the magnaflow with stock rear resonator. The MF by itself is just god awful raspy. However, SPD is making a kit for our 15-17s you may wanna check out. See below

I’ve heard a borla, MF, and custom exhaust system on 3 different 15-17s in person and they all sound very aggressive at startup and idle, but that’s where it ends. The second you get on it they just sound so cheap


 

3tonsoffun

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I did the Magnaflow cat back kit and love the way it sounds now. Not obnoxious but definitely has a growl.
Kit isn’t cheap but it’s some nice mandrel bent stainless. Almost to pretty to put under the truck.

Greg G
Can we get a sound clip please? I’ve been looking at this kit
 

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