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SLP vs. Magnaflow

This is a discussion on SLP vs. Magnaflow within the External Engine forums, part of the LSx Technical Help Section category; Which way should i go? Theres only about a $25 difference between the two so I'm looking for some feedback ...

  1. #1
    Nuclear Cat Will End All LS1Powerhouse's Avatar
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    Mystic Teal
    1999 Camaro Z28 - A4

    SLP vs. Magnaflow

    Which way should i go? Theres only about a $25 difference between the two so I'm looking for some feedback on people who have used both.

    Thanks
    Matt

  2. #2
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    Magnaflow. Hands down.

  3. #3
    11's HERE I COME INIT2WIN's Avatar
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    Pewter
    2002 Camaro Z28 A4

    Depends on how loud you want it to be. I would go for the SLP loud mouth myself but the magna flow has a good sound to it and some nice tips that come on the system.

  4. #4
    Visualize°Design°Create SSwt00SS's Avatar
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    '12 Silver SS 1SS
    '00 Black SS #8617

    I have the SLP LM. if loud is what you want even after going to LT's/ORY setup down the road then get it...

    If you want a little more 'tamed' sound then go magnaflow...

    links in my sig will let you know what SLP LM sounds like with LT's/ORY...

    also, checkout www.ls1sounds.com for more exhaust systems/setups...
    2000 SS - The Wicked Witch: °°Cammed 'n Slammed°° 458rwhp/410rwtq
    Quote Originally Posted by Bowtie_girl30
    I was hoping to just hump her up the exhaust cause she is so damn sexy....
    "Never argue with an idiot. They drag you down to their level, then beat you with experience."

  5. #5
    STAY PUFT thecorrectformula's Avatar
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    Navy Blue Metallic
    98 Formula

    In my opinion SLP is loud but its a more raspy tone. Magnaflow is a deeper tamer tone. I like deep tones and the more tame sound so I'm a fan of Magnaflow but you can't go wrong with either.

  6. #6
    Junior Member Buckeye221's Avatar
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    Red
    1998 Camaro Z28

    I recently put the magnaflow on my z and I love it. My father has a loudmouth II on his goat and it sounds really good also. I noticed his idles a little louder. If you are looking for really loud go with the loudmouth I. If you just want a good sound without attracting cops the ldmth II or magnaflow will do.

  7. #7
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    Blue
    99 Z28

    I vote Magnaflow. That's what I have, and I love it. Although, last time I heard it, it was with stock manifolds/y, and now I've got a set of SLP LT's and ORY goin on it.

  8. #8
    ORNGP33L 1BADDLS1's Avatar
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    Hugger Orange
    1999 Camaro Z-28

    i have magnaflow on the car for right now
    like the sound

    just be aware they don't use 304 stainless like they claim to
    its cheap stainless & it will rust as everyone else's does (the piping that is - tips & muffler are mint)

    FWIW the SLP Dual/Dual which came on my 02 SS has yet to accumulate a spot of rust (65,000 miles)

  9. #9
    ORNGP33L 1BADDLS1's Avatar
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    Hugger Orange
    1999 Camaro Z-28

    Quote Originally Posted by cavpat View Post
    and now I've got a set of SLP LT's and ORY goin on it.
    sell the SLP LT's - you'll regret putting them in

  10. #10
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    White
    1998 TA

    I think the SLP is either a love or hate system. The magnaflow seems to appeal to a wider range. I personally have a LM2 and I think it's obnoxious sounding in the car due to the drone. Tried to change bullets to make it better but not with a great deal of success. The size/space constrictions of the bullet location just won't accomodate a large enough muffler to alter the sound much.

  11. #11
    STAY PUFT thecorrectformula's Avatar
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    Navy Blue Metallic
    98 Formula

    I just installed LT's and an ORY with my magnaflow and it sounds amazing. Not to loud that its abnoxious but it has a deep tone that sounds perfect to me.

  12. #12
    member since may 2000 nhraformula's Avatar
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    black
    2000 nhra edition formula

    magnaflow!

    the hooker catback sounds great also
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

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