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Magnaflow on a 4.3

This is a discussion on Magnaflow on a 4.3 within the Exhaust forums, part of the Performance category; I can get a great deal on a magnaflow 3" muffler for my 4.3 and am wondering if anyone has ...

  1. #1
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    Magnaflow on a 4.3


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    I can get a great deal on a magnaflow 3" muffler for my 4.3 and am wondering if anyone has done it and how it sounds. muffler is only $30.00 and is like new.
    thanks for input

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    Registered User outsider27's Avatar
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    Re: Magnaflow on a 4.3

    I like the sound of the Magnaflow, has a nice tone without being overpowering. Had one on my old 89 S-15 Jimmy with the 4.3L.
    Last edited by outsider27; 02-05-2012 at 09:27 AM.

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    Re: Magnaflow on a 4.3

    ok thanks. also wondering would it sound better dumped or run tail pipe all the way out?

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    Registered User outsider27's Avatar
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    Re: Magnaflow on a 4.3

    Better to run a tailpipe, if not it drones in the vehicle too much.

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    Registered User bobfig's Avatar
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    Re: Magnaflow on a 4.3

    this is a pyps race pro on my 4.3l. its nearly identical to a magnaflow 3" and its dumped behind the axle.

    https://dl-web.dropbox.com/get/Publi...mp3?w=def75ea8
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    97 c1500 RCSB 4.3L 3" Spintech Pro Street dumped, vette servo, and LS1 fans - SOLD

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