LS1TECH - Camaro and Firebird Forum Discussion

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-   -   New idea to quiet down an LM2 (https://ls1tech.com/forums/generation-iii-external-engine/1900397-new-idea-quiet-down-lm2.html)

94TAisfast 06-13-2018 01:22 PM
New idea to quiet down an LM2
 
I have a Loudmouth 2 on the way, but I am just finishing up a h/c install, and I want to make this pretty quiet, since I'm also installing a cutout. I am specifically looking at keeping the LM2 as a resonator, and tossing a pair of bullets at the tailpipes.

I was wondering if anyone has done this before, because I know about the borla/magna/etc mouth muffler swap, but I am trying to aim for a quiet and relatively drone-free cruise, instead of just loud and proud. Thank you!

Almost forgot, I also have long tubes and no cats. I'm not naive, I know it'll be loud regardless, but I'd like to be able to leave my neighborhood at 3 am every now and again.

dr_whigham 06-13-2018 01:25 PM
You won't have room. The MagnaMouth is your best bet. Magnaflow part #14419

HCI2000SS 06-13-2018 01:36 PM
Yep the Magnafow 14419 fits perfectly. That's exactly what I did

94TAisfast 06-13-2018 02:09 PM
There's no way I can fit any muffler in place of the tailpipes? I plan on using different tips, so would it be that impossible to fit a pair of 12" or 16" bullets in there?

dr_whigham 06-13-2018 02:44 PM
Originally Posted by 94TAisfast (Post 19913705)
There's no way I can fit any muffler in place of the tailpipes? I plan on using different tips, so would it be that impossible to fit a pair of 12" or 16" bullets in there?
SLP Power-Flow would be the only option, but in my opinion it looks funky from the rear. Any short bullet you put back there, like a vibrant, isn't really going to do anything. I'm telling you, that Magnaflow bullet is the bees knees. She makes enough bass to set off car alarms in the parking garage with a stock cam, but doesn't sound harsh or rasp.

dr_whigham 06-13-2018 02:49 PM
See if this is any help for you... I did a bit more, but in my opinion it was well worth it. :)

https://ls1tech.com/forums/generatio...tall-pics.html

94TAisfast 06-13-2018 03:20 PM
Originally Posted by dr_whigham (Post 19913735)
SLP Power-Flow would be the only option, but in my opinion it looks funky from the rear. Any short bullet you put back there, like a vibrant, isn't really going to do anything. I'm telling you, that Magnaflow bullet is the bees knees. She makes enough base to set off car alarms in the parking garage with a stock cam, but doesn't sound harsh or rasp.
Thank you. I'll look into it.

Chris Paveglio 06-13-2018 10:36 PM
You should put the cats on, or back on. We all like clean air. Thanks.

wannafbody 06-13-2018 11:15 PM
Cats will break up the sound some. A Flowmaster 1 chamber or bullet muffler would fit where the stock muffler would go.


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