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Question/Help W/Exhaust Upgrade WITH Center Mount Exhaust

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Old 03-20-2017, 09:55 AM   #1
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Question Question/Help W/Exhaust Upgrade WITH Center Mount Exhaust

I realize that I'm, more than likely, going to get flamed for this because.... Well, there's countless, I mean Hundreds and Hundreds of Threads on Exhaust.

However, this question is for those that have the Factory 345HP Center Mount Exhaust.

Currently, my SS Camaro has;
  • Kooks 1 7/8 Long Tube Headers
  • Kooks High Flow Race Cat's
  • SLP Loudmouth 1 (LM1)
  • Factory Center Mount Exhaust

Just like everyone else that has come before me, the minute you put LT's on, with the SLP LM1, the Exhaust now sounds horrible. It's extremely Raspy and the Drone inside the car is unbearable.

Here's my Question for EVERYONE that can provide a solution. What Muffler would you recommend, but would also allow me to maintain my CME. That is what is most important to me.
  • Would you simply add a Muffler & keep the SLP Bullet Type Glass Pack?
  • Would you get rid of the SLP Bullet Glass Pack and replace it with another Manufacture?
  • Would you get rid of the SLP Bullet Glass Pack and install a Muffler and that's it?

If you're wondering what "sound" I'm going for- I'd like a deeper tone, trying to eliminate the "rasp" and drone you hear in the car.

Thank You for all the input- I truly appreciate it!

Carl
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Question/Help W/Exhaust Upgrade WITH Center Mount Exhaust-slp-lm1-factory-exhaust.jpg   Question/Help W/Exhaust Upgrade WITH Center Mount Exhaust-factory-slp-exhaust-going-over-rear-axle.jpg   Question/Help W/Exhaust Upgrade WITH Center Mount Exhaust-slp-lm1-bullet-style-muffler.jpg   Question/Help W/Exhaust Upgrade WITH Center Mount Exhaust-factory-slp-center-mount-exhaust-cme-.jpg  
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Old Yesterday, 08:36 AM   #2
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I would get rid of the SLP LM1 and get a quieter, better sounding bullet that isn't pure noise.

Look at Magnaflow, Moroso Spiral Flows, Borla, etc. All of these will sound tamer and have better tone and eliminate a lot of the drone/rasp.
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Old Yesterday, 10:19 AM   #3
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Quote:
Originally Posted by KingJacobo View Post
I would get rid of the SLP LM1 and get a quieter, better sounding bullet that isn't pure noise.

Look at Magnaflow, Moroso Spiral Flows, Borla, etc. All of these will sound tamer and have better tone and eliminate a lot of the drone/rasp.
Thank you! I was considering the Borla or the Magnaflow Bullet; however, I wasn't sure how much improvement it would be over the LM1.

Do you have any experience with either one? I appreciate your feedback.
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Old Yesterday, 01:08 PM   #4
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I love the way mine sounds with the factory CME muffler,
cam and headers (have had both long tubes and shorties)
and no cats. Sounds hot but gets no po-po hassle, no rasp
etc. But I'm guessing that piece has left the building?
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Old Yesterday, 02:08 PM   #5
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Originally Posted by jimmyblue View Post
I love the way mine sounds with the factory CME muffler,
cam and headers (have had both long tubes and shorties)
and no cats. Sounds hot but gets no po-po hassle, no rasp
etc. But I'm guessing that piece has left the building?
Unfortunately when I bought my SS from the Original Owner, the Muffler was already gone, they never made it my building (Ha Ha). All I had was the LM1 with No Muffler.

It didn't sound bad..... Until I added the LT's. Then all bets were off.
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Old Yesterday, 02:51 PM   #6
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I'm considering ditching the LM1 for the Magnaflow 14419. How many people have ran that, without any muffler?

I'm convinced it cannot sound as loud and raspy as the LM1..... Ha Ha!!
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Old Yesterday, 03:01 PM   #7
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Had both the SLP loudmouth I & II and they both sucked! I went with a borla XR1 muffler. Good deep sound and no rasp!
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Old Today, 10:41 AM   #8
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How do you plan on waking the dead when the time comes? I have a
Dynomax muffler #17227 and Magnaflow 14419 (welded in the I-pipe) on mine but I also have dual DHM cutouts on the Y-pipe so that when I need to send a message, it gets sent.
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Old Today, 02:43 PM   #9
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Originally Posted by 5.7stroker View Post
How do you plan on waking the dead when the time comes? I have a
Dynomax muffler #17227 and Magnaflow 14419 (welded in the I-pipe) on mine but I also have dual DHM cutouts on the Y-pipe so that when I need to send a message, it gets sent.
That is a very good question.... When the time comes to wake the dead- I'll simply get out my 1969 RS/SS Camaro.
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