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  1. #1

    Default any suggestion for mufflers for an '81 with a 454

    I have a 1981 Chevy Cheyenne 1500 2wd it used to have an diesel engine in it. when that went my father and I built a 454 for it. the 454 has a couple mods done to it. Hooker headers, mild cam, and a few other things. the exhaust is currently running out the stock diesel mufflers so its time for some new ones. I want something that is going to sound good throaty with not to much snap and not to loud...
    some help please let me know what you think.

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    2009 Chevy Silverado LTZ 5.3L, HID 13000k,Black Projector lights, Smoked LED Taillights, 22" wheels, Gutted Third Cat, Flowmaster Super 44 muffler.

  2. #2
    Jr. Apprentice
    Join Date
    Mar 2013
    Huntsville, alabama


    I say put some glasspacks on her and let her talk nasty to ya!

    Everyone that I know runs flowmaster 40s or 44s, sounds good to me but its all in what you like.

    I personally like to get a good rumble, but not a space shuttle lift off on full throttle. Dynomax makes a good muffler that won't be too loud. I just can't remember the name of it.

  3. #3

  4. #4


    im gonna buy flowmaster 50s for mine. theyre just like how your discribing but theyll boom when you want them too, and be mellow on the highway.
    Gas was $1.83 when Obama took office.....

  5. #5
    Master Mechanic
    KyleZ71's Avatar
    Join Date
    Jun 2010
    York and Wilkes Barre, PA


    The CherryBomb Votex is a pretty good muffler for the price. Combination of chamber and glasspack
    Objects in mirror are losing

    2003 Chevy Silverado Z71, 5.3L, K&N 57 series, 2.5'' Flowmaster Super 10 series dual exhaust , Corvette Servo, McNew Automotive Dyno tune, SS gauge cluster, Extang Trifecta Tonneau, Pacesetter shorty headers, Goodmark cowl hood, Sony Xplod speakers, Kenwood DDX-470 exhaust tips, 16" Ultra Badlands polished wheels, Pirelli Scorpion ATR .

  6. #6
    Jr. Engineer 4x4squared's Avatar
    Join Date
    Dec 2011
    Fort St. John, BC


    that is a sexy f'ing truck lol i had flowmaster 40s on my 355 and it made it sound pretty beefy. magnaflow makes good exhaust too and they seem to last longer than the flowmasters. if youre on a budget, id say true duals with flowmaster 40s or 44s, for a tight budget go glasspacks, if you have more than a few hundred to spend, magnaflows with a x-pipe. great sound, great power... and magnaflow stickers (+10% horse power at the wheels)

    5.7L 350| .420 Cam | Bored 0.030 | Edelbrock intake manifold | 600 Cfm Edelbrock Carburetor | Long tube headers | Shift kit | Chrome dress up kit | Flowmaster 40's exhaust | Edelbrock heads | Custom paint

    "Don't judge a book by its cover."


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