Putting in my two cents...

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slowburb

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There's a pair of oval case magnaflows under my Suburban. After heat cycling and breaking in, I like them quite a bit, especially when the back windows are down and I'm running next to some concrete barriers. Music to my frigging ears, man.
 

Portedfrankenstien

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Stock mufflers aren't baffled. They are tapered, chambered, packed, and perforated. Creating a lot of restriction. Top that with a poor flowing y-pipe, a cat, and a narrow diameter pipe, yeah you're restricting a lot.
 

Portedfrankenstien

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There's a pair of oval case magnaflows under my Suburban. After heat cycling and breaking in, I like them quite a bit, especially when the back windows are down and I'm running next to some concrete barriers. Music to my frigging ears, man.

I agree, man. I bet it sounds awesome. I'm the same way with my exhaust. Thanks for being the only one to reply without a d-head comment. I noticed the question being asked a few times in the threads, so I just wanted to inform some people of some of the things I've learned, by actually being in the business. I suppose that being labeled as a "newbie" on this site must mean I don't know my ****. And my apologies for trying to direct a few people that would appreciate it, to a company that wouldn't empty their wallets.
 

kennythewelder

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The more restrictions you remove from the exhaust system, and from the air intake system, the better the engine will preform, to a point. After knocking out my cats, I not only gained power, but I also gained 1.5 MPG . I have 2 old school glass packs, with true duels, shorty headers, and custom SST tips that I built coming out of the back. I have to agree, sound is a mater of taste, but performance is enhanced by removing restrictions. As slowburb said, I love the sound when passing a concrete barrier.
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Portedfrankenstien

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The more restrictions you remove from the exhaust system, and from the air intake system, the better the engine will preform, to a point. After knocking out my cats, I not only gained power, but I also gained 1.5 MPG . I have 2 old school glass packs, with true duels, shorty headers, and custom SST tips that I built coming out of the back. I have to agree, sound is a mater of taste, but performance is enhanced by removing restrictions. As slowburb said, I love the sound when passing a concrete barrier.
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Definitely. I love hearing my exhaust. I sit outside, and listen to my truck drive away when my girl takes it to work. I like what you did with the tips. And glasspacks are such a classic, and perfect for free flowing exhaust.
 

99'Subourbon

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Stock mufflers aren't baffled. They are tapered, chambered, packed, and perforated. Creating a lot of restriction. Top that with a poor flowing y-pipe, a cat, and a narrow diameter pipe, yeah you're restricting a lot.
Chambered = baffled. Just to clarify my post.
 

Portedfrankenstien

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Baffle: a device (as a plate, wall, or screen) to deflect, check, or regulate flow or passage (as of a fluid, light, or sound)

Chamber: a natural or artificial enclosed space or cavity
 
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