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Battle of the exhaust

This is a discussion on Battle of the exhaust within the External Engine forums, part of the LSx Technical Help Section category; As stated above it's about personal preference. I went with SLP Loudmouth lm1 despite all the mix reviews about it ...

  1. #21
    Junior Member Jay4743's Avatar
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    As stated above it's about personal preference. I went with SLP Loudmouth lm1 despite all the mix reviews about it because I like loud and couldn't be happier with that choice. I take alot of 3 hour trips back to my hometown and it's mostly highway and the drone doesn't bother me one bit and thats with lt's and a ory now. But I like loud so thats probably why it doesn't bother me.

  2. #22
    Member robs98mysticZ's Avatar
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    there is a web site where you can hear just about every combination of exhaust ie. stock manifolds/y/catback headers/y/catback blah blah blah...ls1sounds.com

  3. #23
    Senior Member tatertot91's Avatar
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    Borlamouth

  4. #24
    None Shall Pass Knight's Avatar
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  5. #25
    Member xssv's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    Are you talking about the Loudmouth I or II xssv?

    I really didn't experience any rasp at all with the LMII with my stock manifolds. I did however have some along with drone at around 2200-2500RPM when I got my Kook's 1-7/8" headers and 3" Kook's ORY with the LMII.
    LM1.

  6. #26
    Senior Member INMY01TA's Avatar
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    If you ever may do headers forget the LM1. The Borla can be completely opened up with stock manifolds and cats and closed up a little with headers and an off road Y pipe. The LM1 is awefull with headers and an off road Y. And I like loud.

  7. #27
    Quote Originally Posted by INMY01TA View Post
    If you ever may do headers forget the LM1. The Borla can be completely opened up with stock manifolds and cats and closed up a little with headers and an off road Y pipe. The LM1 is awefull with headers and an off road Y. And I like loud.
    I love my long tubes / loudmouth 1. Sounds like an animal.

  8. #28
    Member Nowhereman's Avatar
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    You answered your own question.
    I have the LM II and love it.
    Be who you are and say what you feel 'cause people who mind don't matter, and people who matter don't mind.'
    -Nowhereman

  9. #29
    Member ls1nightrider's Avatar
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    What brands would you say you get more hp?

  10. #30
    Member Guerrillakilla13's Avatar
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    I think they both sound great, but the Borla setup has adjustable restrictor plates on the passenger side exit pipe. This means you can adjust how much air bypasses the muffler and how loud you want it to be with a muffler on

    LS1nightrider, I read somewhere that the borla gets the most horsepower out of all the brands. I could be wrong

  11. #31
    Member ls1nightrider's Avatar
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    Im trying to decide between the loudmouth or magnaflow.
    Im leaning more on the LM

  12. #32
    Junior Member jaydean21849's Avatar
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    Lm1. Love it

  13. #33
    Senior Member tatertot91's Avatar
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  14. #34
    Junior Member danjo11's Avatar
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    GMMG. They are pricey though

  15. #35
    Member cowstandmoto's Avatar
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    I run Loud Mouth II. And I like it. But when it gets used up, I'm going to try either Borla or Corsa.

  16. #36
    Junior Member Justin D's Avatar
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  17. #37
    BLKHWK Durango's Avatar
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    Quote Originally Posted by 35th-ANV-SS View Post
    Unless you are running true duals, there really isn't much HP difference to be seen between different aftermarket exhaust systems...IMO

    If you plan on keeping your stock manifolds, LM sounds great. If you plan on getting long tube headers to replace the stock manifolds at some point, I would suggest something like a Magnaflow instead.
    I agree with you. I had a Flowmaster and it was 2 loud I now habe a Magnaflow and on the hgwy its great still loud but not crazy the Flowmaster was sic my buddy just installed headers with his Loudmouth and yiu can't even varry a Conversation in the car loll Good luck

  18. #38
    Quote Originally Posted by Durango View Post
    I agree with you. I had a Flowmaster and it was 2 loud I now habe a Magnaflow and on the hgwy its great still loud but not crazy the Flowmaster was sic my buddy just installed headers with his Loudmouth and yiu can't even varry a Conversation in the car loll Good luck
    My car with lts/ory/lm1 is stock like quiet driving under 1500 rpms in 4th gear. Not sure why you cant have a conversation in your buddys. Maybe I just have a high tolerance I just saw your 41. The older people around here think mine is loud.

  19. #39
    BLKHWK Durango's Avatar
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    Quote Originally Posted by Mike0202 View Post
    My car with lts/ory/lm1 is stock like quiet driving under 1500 rpms in 4th gear. Not sure why you cant have a conversation in your buddys. Maybe I just have a high tolerance I just saw your 41. The older people around here think mine is loud.
    Ouf that hurt lolll!!!! I remember being 20 and looking at 41 year old thinking they were old 2 lolll
    He has an auto with 4:10's so 1500rpm at 70mph is not in his cards loll an you are right 20 years ago it was never loud enough and I lovvvve the sound of his car now, it sounds like a wild animal racing down the street but its way too loud for me and rolling in at midnight after a day at the track in a campground with 400 people They seem to be unappreciative of loud cars lolll

    I have to agree that the car sounds amazing and my Flowmaster sounded amazing better than my Magnaflow but a wife and kids takes that loud exhaust out of my cards anyway :-) Good luck guy!

  20. #40
    Member 2000dreambird's Avatar
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