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Exhaust choice help

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Old 03-08-2014, 06:36 AM
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Originally Posted by coSPEED2
Nearly any of the SLP will be loud. But then it all depends on what you call loud.
slp dd WAS AN excellent CAT BACK. OE part on my SS and still going strong.
Old 03-08-2014, 07:17 AM
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My Vote would be Magnaflow....and do the whole catback...I jumped from a Stock ws6 catback w/ a dynomax muffler to a LM1 catback when I first got my car and noticed a difference.
Old 03-08-2014, 10:14 AM
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Originally Posted by nascardude56
I just want something a few notches above stock ss exhaust
This entire debate is mostly all a matter of perception and opinion. What is your definition of "a few notches"? If you want something that's significantly louder at idle and low RPM on your otherwise stock car, you might find Magnaflow disappointing - I know I did (many, many years ago that I tried this muffler). However, if you plan other modifications such as headers/ORY or beyond (such as cam, etc.) then Magnaflow might end up sounding just right to you.

For a stock car, this is a pretty mild exhaust. That's not necessarily a bad thing, it just depends on your preference.
Old 03-08-2014, 01:45 PM
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The magnaflow is the best bet. The gmmg sounded great too which is very similar to the SW kit. Gmmg isnt easily available anymore.
Old 03-08-2014, 02:30 PM
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Originally Posted by ULTIMATEORANGESS
slp dd WAS AN excellent CAT BACK. OE part on my SS and still going strong.
We are talking aftermarket though not OE.
Old 03-08-2014, 02:59 PM
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Originally Posted by RPM WS6
This entire debate is mostly all a matter of perception and opinion. What is your definition of "a few notches"? If you want something that's significantly louder at idle and low RPM on your otherwise stock car, you might find Magnaflow disappointing - I know I did (many, many years ago that I tried this muffler). However, if you plan other modifications such as headers/ORY or beyond (such as cam, etc.) then Magnaflow might end up sounding just right to you.

For a stock car, this is a pretty mild exhaust. That's not necessarily a bad thing, it just depends on your preference.
I know, right? Everyone's perception is different. It's like when someone calls us up and asks for lopey cam, well what's your definition of lopey as compared to what I define it as. Well I'm on a budget, well, what's your definition on budget as compared to what I think budget is. Yadda yadda blah blah blah.

Like I said in my original reply, the Magnaflow is probably best suited for the OP.
Old 03-08-2014, 04:53 PM
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I appreciate the replies, will be going to a ls1 meet tomorrow so ill try to listen to some different exhausts
Old 03-08-2014, 04:58 PM
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I vote dynomax. They sound great with stock manifolds and even better with Longtubes and ORY
Old 03-08-2014, 08:05 PM
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Originally Posted by coSPEED2
We are talking aftermarket though not OE.
just saying SLP in general is a good choice.
Old 03-09-2014, 09:49 PM
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Id get the loudmouth and convert it to either a magnamouth or borlamouth both a good sound
Old 03-10-2014, 08:07 AM
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I had the Flowmaster 80 on my car when I bought it and switched over to Magnaflow. Definitely a mild setup with nice tone and minimal rasp.

If you find that isn't enough from a volume standpoint, open up the rest of the exhaust and it sounds like this...

Old 03-10-2014, 08:45 AM
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My suggestion, for what it's worth, is to do the Magnaflow. Everyone has described it perfectly, so you should know what to expect. If you didn't live in California, the state that HATES modded cars, I'd suggest some cutouts to bring the noise level up to your liking.
Old 03-10-2014, 12:12 PM
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So far I am leaning towards a lm2 exhaist . Long tubes are not in the near future and the lm2 seems like a good compromise between a lm1 and magnaflow
Old 03-10-2014, 01:15 PM
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hey i think theres a website ls1 sounds. i vote for magnaflow if you want good sound reasonable noise. loudmouth is asking for cops to follow you plus wake up your neighbors everytime you drive down the street. SLP dual dual is almost stock quiet yet high performance. just my one cent cheers
Old 03-10-2014, 01:39 PM
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Im just worried that the magnaflow wont be much louder than stock for it be worth the upgrade, it might be the only option though since I want limited drone
Old 03-10-2014, 01:49 PM
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I would not be worried. You have more than half the thread recommending it. They are giving you the information that you want. Make sure to use it.
Old 03-10-2014, 02:09 PM
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Originally Posted by nascardude56
Im just worried that the magnaflow wont be much louder than stock for it be worth the upgrade, it might be the only option though since I want limited drone
I mentioned this earlier in the thread, but if you're willing to spend the money then Corsa might be the right option for your goals. Louder than Magnaflow, quieter than Loudmouth, and won't bee too loud/has limited drone on an otherwise stock car.
Old 03-10-2014, 03:07 PM
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I'm inclined to say go with the SLP LM2, and if by chance it's a little to loud it's an easy swap to install a Magnaflow, Borla, or Dynomax 24248 round muffler in place of the SLP muffler. Furthermore, even if you swap mufflers your cost is still under $500.
Now if you want to try a Magnaflow in the stock location then get the #12267, and swap it in place of the factory muffler.

http://www.ws6project.com/user_stor/catalog/systems-1/

http://www.summitracing.com/parts/mpe-12267/overview/
Old 03-10-2014, 03:24 PM
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Can you put a chambered magnaflow in place of a lm2 bullet ? If so that might be a good alternative in case a lm2 is too loud, also don't round bullet mufflers naturally drone
Old 03-10-2014, 03:57 PM
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Originally Posted by nascardude56
Can you put a chambered magnaflow in place of a lm2 bullet ? If so that might be a good alternative in case a lm2 is too loud, also don't round bullet mufflers naturally drone
Magnaflow doesn't have any chambered mufflers that are 5" diameter or less which is what you need when having a muffler in the I-pipe location.
FYI, round bullet mufflers do not naturally drone.


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