06-07-2017, 11:24 AM | #1 |
Drives: working on one Join Date: Jan 2010
Location: mars
Posts: 39
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How loud is the non npp muffler delete
How loud is the non npp muffler delete with the cats?I don't want to pay the outrageous price for the axle backs. I'm thinking about going this route just don't want it to be really loud
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06-07-2017, 12:22 PM | #2 | |
Drives: 2016 Camaro 2SS Summit White Join Date: May 2016
Location: Maryland
Posts: 260
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Quote:
From the videos I have seen the muffler is not much of a restriction and removing it doesn't sound much louder than stock. All of the restriction is from the cats back to the stock manifold. |
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06-07-2017, 12:39 PM | #3 |
Drives: working on one Join Date: Jan 2010
Location: mars
Posts: 39
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I just wanted it to sound like a muscle car the non npp exhaust only sounds good at cold starts
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06-07-2017, 12:41 PM | #4 |
Drives: Summit White 2SS, M6 Join Date: Jul 2016
Location: Vancouver area
Posts: 94
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I can't speak for anyone that did a muffler delete only, but I have the Flowmaster Outlaw axle back and their X-pipe and it was much louder then stock non NPP. The videos don't do the muffler delete or Flowmasters justice.
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06-07-2017, 12:48 PM | #5 | |
Markoon13
Drives: Camaro 2SS Join Date: Oct 2016
Location: San Diego
Posts: 853
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I have the MBRP catback system which essentially is a muffler delete with 3 inch pipe. I have a vid with a decibel meter if you wanna check it out. It's not too loud at all under normal driving conditions.
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06-07-2017, 01:04 PM | #6 |
Drives: working on one Join Date: Jan 2010
Location: mars
Posts: 39
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I don't want it to loud just to sound mean I had a gto that sounded like a dragster when you got on it.you could hear it miles away
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06-07-2017, 03:57 PM | #7 |
Make America Fast Again
Drives: 2016 HBM 1SS - M6 Join Date: Sep 2016
Location: OC (Overpriced), CA
Posts: 156
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I have a non-npp car with a muffler delete. It's not obnoxious, that's for sure. It does sound really mean and "muscle-car" like, but it is very loud at WOT. That's no doubt.
Worth the $50 in my opinion. |
06-07-2017, 04:32 PM | #8 |
Drives: 2016 1SS Join Date: Feb 2017
Location: PHX
Posts: 6
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I also have a non npp with the muffler delete and it definitely sounds much better now. It actually sounds like a V8 now!
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06-07-2017, 07:13 PM | #9 |
Drives: working on one Join Date: Jan 2010
Location: mars
Posts: 39
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Is it about as loud as the npp exhaust with the valves open. Also do you still have your cats and does it drone bad
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06-08-2017, 11:34 AM | #10 |
Drives: 2017 1SS 1LE Join Date: Jun 2016
Location: Detroit, MI
Posts: 1,001
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Can always try the delete, and then add some aftermarket axle-back mufflers back in if you don't like it
As others have said, it's definitely louder that factory. The point of too loud is tough to nail down person to person, though. I personally don't have any issues with not having mufflers since it's livable and still pretty calm at idle, but it's definitely gonna be heard over most cars around you when you step on the gas. On my car, drone was a little excessive until a resonator was added to it. I also went to a larger tube size and an H-pipe setup, so I couldn't say what a straight muffler delete would do.
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2017 SS 1LE.
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06-14-2017, 11:04 AM | #11 |
Drives: 2016 Camaro 1SS Join Date: Feb 2016
Location: Phoenix, AZ
Posts: 92
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I did the secondary cat delete and the muffler delete but I also had an x-pipe installed which makes my car a lot meaner. Not sure what it sounds like without the x-pipe. But I'll try and upload a clip of what mine sounds like. Overall I only paid about $160 for that setup. I think it was 80 for the x-pipe and 80 for the Work at a local shop.
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06-14-2017, 01:35 PM | #12 |
Drives: 2017 1SS HBM Join Date: Jun 2017
Location: NJ
Posts: 40
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Can someone explain the delete process to me? Are you just taking it to a shop, having the muffler cut out and running a pipe between where the muffler was? Is it that easy?
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06-14-2017, 02:57 PM | #13 | |
Drives: 2017 1SS 1LE Join Date: Jun 2016
Location: Detroit, MI
Posts: 1,001
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Quote:
Yeah, that's pretty much it. Just cut out the suitcase muffler and put tubing in to replace the removed portion.
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2017 SS 1LE.
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06-15-2017, 08:34 AM | #14 | |
Drives: 2017 1SS HBM Join Date: Jun 2017
Location: NJ
Posts: 40
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