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  #1  
Old 08-21-2015, 08:26 PM
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Default Can I fire port through speaker grill?

Title says it. Want to do a 4th in the trunk, fire through the speaker grills and seal off from the trunk. I know it will be some restriction, but enough to make a difference?

Here's a picture of the grill:

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Old 08-21-2015, 08:31 PM
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thats a good question, i would think it would restrict it a bit but how much i dont know
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Old 08-21-2015, 08:50 PM
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Looks like a Malibu?
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Old 08-21-2015, 08:55 PM
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May lower tuning and velocity slightly.
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Old 08-21-2015, 09:06 PM
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You guys are overthinking it.
It will be fine, the biggest issue will be rattling can be caused.
If anything a screen will lesson turbulence and straighten out back spins.
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Old 08-21-2015, 09:13 PM
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Quote:
Originally Posted by korey_hofer View Post
You guys are overthinking it.
It will be fine, the biggest issue will be rattling can be caused.
If anything a screen will lesson turbulence and straighten out back spins.
The rattling is what I was getting at with asking if it was a Malibu (or other GM clone.) I cut out my back deck because of this annoying noise, plus those grills will need to be attached, they popped up all the time from vibration.
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Old 08-21-2015, 09:22 PM
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Good to hear. I'll tune maybe 2Hz higher or so.

It's an Impala. I'll be doing whatever I need to do to take care of rattles/loose parts.
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Old 08-21-2015, 09:27 PM
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You could always cut the center out and use mesh or grill cloth spray painted to match the interior if it becomes an issue.
Spray paint works on dingy floor mats and carpets too!
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Old 08-21-2015, 09:52 PM
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even if you had a high port velocity, i would think you would hear port chuffing before you would hear any added port noise that cover might add.
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Old 08-22-2015, 10:45 AM
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Quote:
Originally Posted by craiggus365 View Post
You could always cut the center out and use mesh or grill cloth spray painted to match the interior if it becomes an issue.
Spray paint works on dingy floor mats and carpets too!
Yeah, thought of that, but trying not to do that. I'm going to butt the end of the port up against the grill with a strip of weatherstrip, it shouldn't move too much unless it starts to pop out.
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