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4.8 exhaust system

This is a discussion on 4.8 exhaust system within the Exhaust forums, part of the Performance category; I ran Flowmaster 70 series on my truck, but I'm going to go with Dynomax or Magaflow's with duals and ...

  1. #1
    Registered User Jrrbuild's Avatar
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    Talking 4.8 exhaust system


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    I ran Flowmaster 70 series on my truck, but I'm going to go with Dynomax or Magaflow's with duals and exit out the rollpan as soon as I can find a SS rear bumper. The Flo's are alright it's just that I want more growl.
    1998 GMC Sierra ECSB 1/2 ton
    5.7 350 V-8 230hp
    Name:Workhorse II

  2. #2
    Dirty, Baraka, "B" DirtyBlackHoe's Avatar
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    get a 40 series flowmaster original...they sound awesome and have a great tone!

    Mine
    2006 GMC Sierra SLT CCSB Z-71


    Wife's
    2004 Chevy Tahoe LT
    BB Tune|6K HID's|Spectre CAI|Painted front end|

  3. #3
    Registered User
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    I'm thinking Magna Flows

    I had them on my old 96 Z71. It sounded better than any of my friends with flow masters. This one guy had this ravin muf and it sounded great. I never heard of them before. series 33. He got it at midus muffler of all places.

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