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Thread: Best exhaust?

  1. #11
    Sr. Mechanic SmokeU's Avatar
    Join Date
    Aug 2009
    Fitchburg, WI


    I have also heard that flowmaster is getting rid of there supper 40 series and maybe the 44, that's why they have not re patented there design and everyone is using it now
    2004 Chevy Silverado w/ 5.3L V8 / Z71 / Shorty

    Would rather be going too fast then too slow:out:

  2. #12


    I have the 40 series flow master on my 2010 GMC Sierra. I love the way it sounds. When the AFM kicks in it does have a wierd sound to it, almost sounds like a boat motor to me. Overall I am very satisfied with it.

  3. #13


    you might want to try the borla dual exhaust with headers i got that in mine and my truck sounds very familiar to this video check it out (i just havent got around to put pictures and videos of it) soon i will though
    2003 Silverado Extended Cab
    AEM Brute Force Intake
    PowerAid Throttle Body Spacer
    Diablo Sports Predator Programmer
    Borla Stainless Steal Shorty Headers
    Magnaflow Hi-Flow Cats
    Borla Stainless Steel Cat-Back Dual Split Side Exhaust
    20 inch OEM 5 Spoke Chrome rims with 305/50's
    2 12' Rockford Fosgate Subs w/ Kickers Tweeter's
    55 Watt 6K HID Lights

  4. #14


    How much you pay? I can't find it under 700 or so.

  5. #15


    i got for 715 and installed it myself but i sure dont regret it paying each and every penny.
    so far ive had it on for about 3 days now and ive gotten 5 comments from random people at the gas station and street. it sounds so nice and deep and rumbly at the same time but not over exagerated. even my neighboor that has a 2007 silverado 2500hd told me he likes how my exhaust sounds compare to his flowmasters super 44's.
    on top of that its stainless steal with a million mile warranty. you just got to love it.. soon il post a video

  6. #16


    Does anyone know what the dimmensions are for a 2010 Silverado 5.3L muffler? I want to just replace the muffler and keep the factory pipes. What is the inches in and inches out? And what would be the best option for this, there is the 40 series, Super 44 and the Super 40...I am not sure which one is designed for our trucks. Thanks again

  7. #17


    I have an '03 Chevy ext cab with a 5.3l and have Borla Cat back on it and like the sound of it and the 304 SST and warranty is great. My BIL has an '05 GMC ext cab with a 5.3l and has Magnaflow and his is way louder than mine. I am looking at Long Tube Headers now not for sound but HP and any added sound will help. Borla gave me a good boost in HP on a RW Dyno too. Just depends on what you want.

  8. #18


    I like the way the Flowmasters sound, not to exaggerated in my opinion. look at it on youtube, there are plenty Silverado w/flowmaster exhaust videos on there.
    08 Silverado
    crew cab
    5.3 L
    LT1 Z71
    Black on Black Leather
    Much Much more to come...
    soon as I get more $$$:money:

  9. #19


    I have heard good things about borla, but when I talk about it with people they always talk bad about it, but they don't know anyone who has one. Does flowmaster make a cat-back for my truck?

  10. #20


    Just installed a Dynomax #39495 system today, and am really impressed with both the quality and sound. No drone or motor boat sound when crusing. The system runs around $330 or just the Dynomax Ultra Flo Welded #17233 muffler runs about $120. Summit, Jeg's, or the usual retailers should have either.

    And they DO sound good!
    The Cheap-*ss Modder & Thread Killer
    The Realist says, "The glass is too big".

    2013 GMC Sierra 1500 SLT Z60 4WD Crew Cab
    Mineral Green Metallic w/ Tan Leather Interior
    5.3 L FLEX w/AFM, 6A, Cheap-*ss Mods
    32 Dump Club Member
    Range V8 AFM Eliminator

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