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MBRP catback on 5.0 V8 - wow it’s loud

dave91gt

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Hey fellas
In a leap back to my youth and my foxbody days, I decided to go straight to the big boy and installed the MBRP 4” race exhaust. And like their video says- it’s “loud”.
The install was simple. Had factory exhaust out in one piece in 15 mins. New one on in 30. Great quality!
After hearing the first start- I knew I may have went too far lol. It flat out roars. My favorite sound for the Coyote. It’s deep. And it’s very loud.
Everything is perfect- except the drone. It’s really bad on the interstate. My wife just shook her head when we rode in it.
Anyway- I may have to redo this again and may jump down to the 3” MBRP with the resonator option. I don’t have a good sound clip but if your curious, go to the MBRP site and look up their 4” systems for their YouTube video.
I wish I could find a way to lessen the drone but keep that deep rumble.
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Mtnman1

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Is it actual drone, or just loud? Big difference there.
 
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dave91gt

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Is it actual drone, or just loud? Big difference there.
I’m gonna say both. It just booms inside. I love the sound and bought a Coyote with intentions of doing an exhaust.
Local driving is just fine. Interstate is a bit much inside.
 

nrmedic

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Had this on my 2018 5.0 with dual side exit. Droned from hell, was glad to get rid of it.
 

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Mtnman1

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@nrmedic

Or dont buy a "race" exhaust for your truck?

The MBRP 3" or "street" version sounds awesome and no drone - with or without the included resonator.
 

MJG44

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I just had my Corsa sport catback installed. Incredible sound and not obnoxious
 
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dave91gt

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@nrmedic

Or dont buy a "race" exhaust for your truck?

The MBRP 3" or "street" version sounds awesome and no drone - with or without the included resonator.
That's the one I am considering. My son has a 2011 5.0 with a 4" Diamond Eye catback and that's why I bought this one. His has FAR less drone inside than my 21.
 

diambo4life

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Is this pre-axle or after axle exit? Man you need to put pix and/or sound clips on a thread talking about an exhaust. Like mentioned...add an inline resonator. I recommend Magnaflow.
 
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dave91gt

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Is this pre-axle or after axle exit? Man you need to put pix and/or sound clips on a thread talking about an exhaust. Like mentioned...add an inline resonator. I recommend Magnaflow.
It’s an after axle- same location as stock
 

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MJG44

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If I'm not mistaken, MBRP does NOT have a stainless version? One of the main reasons I decided to go another route.
 

Mtnman1

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If I'm not mistaken, MBRP does NOT have a stainless version? One of the main reasons I decided to go another route.
You are wrong. They offer almost all of their cat backs in stainless
 

MJG44

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You're right, I couldn't find side exit black in stainless through them just the aluminized steel.
 

Mtnman1

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You're right, I couldn't find side exit black in stainless through them just the aluminized steel.
Try finding an exhaust for a 21/22 RCSB....

Magnaflow dont have one on their website, regardless of style.
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