Extreme rasp from new exhaust manifold

leeoman · **Joined:** Sun Mar 20, 2016 8:28 pm **Posts:** 5

Hi everyone, I just installed the mac ceramic pro shorties on my 2012 v6 automatic Mustang. I have the ford racing axle backs and an airraid Cai.

After driving it I noticed an extreme rasp when accelerating. Is this normal? It sounds like an old Honda Accord struggling to accelerate. Should I be worried?

When doing my research I didn't come across any reviews that indicated a rasp after installed.

Thanks

Great White · **Posted:** Sun Apr 24, 2016 9:43 pm

They will probably sound that way until they get broken in, but also possible they will not change until another set-up is chosen. Others not mentioning rasp, can be because of 2 reasons, everyone's hearing isn't the same, or they have a different exhaust setup than you do.

Certain exhausts (mufflers) sound different with long tubes/shorty headers, also the mid-pipe (x or h) play a roll in sound.

Exhaust is also subjective, just because someone else raves about it, doesn't mean that you will.

leeoman · **Joined:** Sun Mar 20, 2016 8:28 pm **Posts:** 5

Great White · **Posted:** Tue Apr 26, 2016 1:03 pm

Mustang Club of Maryland

Extreme rasp from new exhaust manifold

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