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Magnaglow or Flowmaster? New 1500 Sierra Z71


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Hey guys n gals...new to the site. This is my second GM truck but doing a VASTLY different build on her. My first truck is an 05 Colorado Xtreme drift truck, while this one is a 2018 Sierra 1500 Z71 Prerunner build that's my daily (it's the 5.3, not the 6.2)

 

My question is...which exhaust is better for pure, clean loud while maintaining a low, angry tone when I get on it? I know Magnaflow is a straight through so no "restriction" while Flowmaster is baffled for tuned tone. I loathe exhaust "pop n bang" like glasspacks and whatnot...so im trying to avoid sounding like every cheap, clapped out beater truck in my area. I am specifically looking for as low and angry as I can get, but clean and clear. I notice a LOT of trucks here go for the "NASCAR" sounding kits and that's a bit too high pitch for me. 

 

I can cut and dump, so I can play with how "loud" it is, but which is best for deep, low, growly sound at all times?

Edited by Damon Hoover
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I'm a Magnaflow type sound person. I do not like the chambered style mufflers of most Flowmasters.

 

Most systems are going to stay pretty tame at low rpm because you will still have the 3 cat converters before the muffler acting as resonators. Removing those will give you terrible rasp and that's not what you want either.

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3 hours ago, Damon Hoover said:

Hey guys n gals...new to the site. This is my second GM truck but doing a VASTLY different build on her. My first truck is an 05 Colorado Xtreme drift truck, while this one is a 2018 Sierra 1500 Z71 Prerunner build that's my daily (it's the 5.3, not the 6.2)

 

 

My question is...which exhaust is better for pure, clean loud while maintaining a low, angry tone when I get on it? I know Magnaflow is a straight through so no "restriction" while Flowmaster is baffled for tuned tone. I loathe exhaust "pop n bang" like glasspacks and whatnot...so im trying to avoid sounding like every cheap, clapped out beater truck in my area. I am specifically looking for as low and angry as I can get, but clean and clear. I notice a LOT of trucks here go for the "NASCAR" sounding kits and that's a bit too high pitch for me. 

 

I can cut and dump, so I can play with how "loud" it is, but which is best for deep, low, growly sound at all times?

Magnaflow has a nasty drone issue. Corsa is an awesome exhaust but expensive. I went with the Borla ATAK system. No drone and loud when you get on it.

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There many different mufflers made through magnaflow, not all will have bad sounds.

 

Never had any drone problems with the magnaflow I used 5 years ago. They don't sell it anymore but it was a oval body about 22-24in long.

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I just switched to a Carven Type R muffler. I was a Flowmaster man all day until I heard the Carven mufflers. You can buy just the muffler or buy a full cat back from them. I love the sound.


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MBRP. Very deep, rich, throaty sound. Cold start is super loud. Sounds good at idle and very loud from 2000-6000 RPM
MBRP uses low grade stainless steel. They rust out easily. If you live somewhere where they use a lot of salt on the roads I'd stay away from MBRP.

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  • 1 month later...

I have a 2017 GMC and am running a FlowFX by Flowmaster with a single in/dual out and it leads to large echo tips.  It's VERY deep, NOT crackly at all... and SMOOOOOOOOTH.

 

I like it.  

 

I once had a FM 50 series on a 350 Vortec, and they sound similar, with the FX sounding a bit deeper.

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