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Muffler Delete on 2016 Sierra

gmyeah

By gmyeah
in Engines & Drivetrain

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gmyeah Enthusiast

gmyeah

Posted
Posted

All, I know this topic has been killed before, but I did a ton of research and thought I was doing the right thing with a muffler delete(leave flapper in where it was) to get a little sound so I wouldn't get drone or that chopper sound. So the sound is pretty good, but man....you get around that 1500rpm range when going a slow speed and it's crazy noticeable. The delete was just a piece of aluminized exhaust pipe replacing where the muffler was. It sounds sick (in a bad way) at that low speed/low rpm/v4 mode.

any thoughts, do I revert back to the stock exhaust or get a afm delete module you plug into the truck to deactivate the v4 mode? I actually tried keeping the rpms up a bit....and putting it into manual, but it still sounds pretty bad, so not sure if that would even work?

 

1500 gmc sierra sle 2016

 

  • 2 months later...
Ty_127 Enthusiast

Ty_127

Posted
Posted

Just had the muffler delete done. Piped everything after the 3rd Cat and sounds awesome. Drone in V4 mode is my only complaint.

  • 2 weeks later...
emeryz28 Enthusiast

emeryz28

Posted
Posted

i got the Diablo tuner and removed the V4 mode. makes the truck drive SO MUCH better!

Ty_127 Enthusiast

Ty_127

Posted
Posted

Muffler and resonator. Emeryz28 good to hear thats my next move!

  • 2 weeks later...
gilleydog Enthusiast

gilleydog

Posted
Posted

manually shift m put in 5th gear no more drone

  • 2 weeks later...
SkiBum5.0 Enthusiast

SkiBum5.0

Posted
Posted

Just went and did this today. Removed flapper and muffler, kept resonator. I do hear the V4 noise but it's alright so far. Worst case is a tune to turn it off.

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