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Thread: Muffler Options

  1. #1

    Default Muffler Options

    I am going to list a few choices of "performance" mufflers that I have looked at, would appreciate any opinions/advice/personal experiences, about which muffler is worth buying:

    1. Magnaflow Stainless Steel Round Body- 6" x 14", 2.5" inlet/outlet, $72.69 a piece. 6" x 18", 2.5" inlet/outlet, $81.79 a piece.

    2. Magnaflow Stainless Round- 6" x 14", 2.5" inlet/outlet, $88.56 a piece.

    3. Magnaflow Street Series with Tips- 4" round double-wall straight-cut, 2.25" inlet, $108.36 a piece.

    4. Flowmaster 40 Series American Thunder- 3" inlet/outlet, $80.95 a piece.

    5. Flowmaster Super 44 Series- 3" inlet/outlet, $87.95 a piece.

    6. Flowmaster Super 44 Off-Road Series- 3" inlet/outlet, $104.95 a piece.

    7. Flowmaster Super 44 Series 409S Stainless Steel- 3" inlet/outlet, $92.95 a piece.

    8. Flowmaster Super 40 Series- 3" inlet/outlet, $92.95 a piece.

    9. Bassani- 8" x 16", 2.5" inlet/outlet, $89.00 a piece.

    10. Thrush Turbo Muffler- 2.25" inlet/outlet, $37.50 a piece.

    This was just a quick search. If anyone knows of other brands that I missed and/or better pricing on the ones I listed, please let me know.
    2003 Silverado 2500HD 6.0L Vortec V8
    2" Body Lift
    3" Suspension Lift
    Skyjacker Hydro 7000 Shocks
    Skyjacker Steering Stabilizer
    35" Tires with 20" American Racing Rims
    Velocity Cold Air Intake
    Billet Throttle Body Spacer
    BBK Performance Headers
    MBRP Cat-Back Exhaust System
    DiabloSport Predator- Soon to be tuned by Diablew

    "Soon to be leveling-kit"

  2. #2
    Master Mechanic
    KyleZ71's Avatar
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    Jun 2010
    Location
    York and Wilkes Barre, PA
    Posts
    855

    Default

    This isn't one of your choices but I am serious when I say at least look into a cherry bomb vortex muffler. http://www.cherrybomb.com/products/vortex
    I have one on my 03 Silverado and I love it! Aggressive sound and better performance. Paid $80 for mine. Just look it up, they have recordings of the sound.

  3. #3
    Jr. Engineer hundojoe's Avatar
    Join Date
    Feb 2010
    Location
    Elk River, Minnesota
    Posts
    210

    Default

    I always have put flowmasters on all my trucks, the y have a sound that I love, but check out youtube. type in the different brands of mufflers for silverado and listen to what they all sound like. The sound can be a very personal thing.
    1999 Silverado Regular Cab Short Box
    Black on Black, Line-X sprayed in bed liner
    5.3 with K&N CAI, Texas Speed 220/220 cam with 112 deg LSA
    Texas Speed computer Tune
    American Racing Headers with Cats
    4.11 gears front and back, with Eaton rear posi
    Flowmaster 40series true duals
    16X8 American Racing Nitros with 305/70/16 Goodyear MTR's
    285's in the pic



    If it ain't broke...........Give me a minute!

    Im not completely useless, I can be used as a bad example...

  4. #4

    Default

    I'm looking for more performance rather than a great sound. I was thinking about going true-duals and that's why I asked about which mufflers would be the best bang for the buck.
    2003 Silverado 2500HD 6.0L Vortec V8
    2" Body Lift
    3" Suspension Lift
    Skyjacker Hydro 7000 Shocks
    Skyjacker Steering Stabilizer
    35" Tires with 20" American Racing Rims
    Velocity Cold Air Intake
    Billet Throttle Body Spacer
    BBK Performance Headers
    MBRP Cat-Back Exhaust System
    DiabloSport Predator- Soon to be tuned by Diablew

    "Soon to be leveling-kit"

  5. #5

    Default

    I like Magnaflow's.

  6. #6
    Sr. Apprentice
    Join Date
    Jun 2010
    Location
    Sunny San Diego.
    Posts
    70

    Default

    I also enjoy Magnaflow, not as aggressive a sound as Flowmaster but I like it a lot.

    Adam - Wherever the Navy puts me
    2007 Chevy Silverado Regular Cab
    22x10 KMC LO-FI w/ 305/40R22 Yokohama Avids
    Ground Force 2"/4" Lowering Kit
    Eagle Eye Projector "Halo" Headlights
    RECON smoked tail lights
    RECON smoked third brake light
    De-Lettered
    De-Molded
    5.3L V8 Flex Fuel
    Banks Power Ram-Air Intake
    TEA Stage 1.5 Heads
    Comp Cams 54-450-11
    Dynatech Full Length headers
    Dynatech Intermediate pipe with hi-flow cats
    2.5" Single-in, Dual-out Magnaflow muffler
    296 rwhp
    306 ft-lb torque

  7. #7

    Default

    Did you see any gain from your hi-flow cats adam0285? I was thinking about them but wasn't sure if they are worth it. Thinking true duals with hi-flow cats and performance mufflers. Would two hi-flow cats be over doing it even on true duals, anyone know?
    2003 Silverado 2500HD 6.0L Vortec V8
    2" Body Lift
    3" Suspension Lift
    Skyjacker Hydro 7000 Shocks
    Skyjacker Steering Stabilizer
    35" Tires with 20" American Racing Rims
    Velocity Cold Air Intake
    Billet Throttle Body Spacer
    BBK Performance Headers
    MBRP Cat-Back Exhaust System
    DiabloSport Predator- Soon to be tuned by Diablew

    "Soon to be leveling-kit"

  8. #8

    Default

    I have a Magnaflow 6 x 14 with single 3" inlet and duel 2.5" outlets. It's the most aggressive sounding muffler I'v had. I've had it for about a year now and it's gotten louder. It sounds great but I really considering getting me something a little bit quieter.

  9. #9
    Sr. Mechanic
    kburb's Avatar
    Join Date
    May 2010
    Location
    Blythewood SC
    Posts
    191

    Default

    check out performancepeddler.com, got my magna flow CHEAP, actually named my own price.



    91 Suburban

    D44/14BFF w/Disc conv - Yukon 4:88's - Yukon Grizzly Lockers F/R -13" lift - DIY4x Shackle Flip - 37 ATZ on 18 MT Classics - Doug Thorley headers - Magnaflow - Holley Pro Jection Intake - Ultimate TBI mods - Hydroboost Brake Conversion - Hysteer-X Over Conversion.

    (Coming up - Fuel Injected 383 Stroker - Divorced NP205 - D60 - 40" tires)

  10. #10

    Default

    I put the flowmaster super 44 on my 5.3 and love how it sounds. It's real deep but not too annoying for long drive times.

    2002 Chevy Silverado
    5.3L
    Black DeeZee Tool Box
    Black Westin Grille Guard
    Painted stock rims black
    Custom True Dual exhaust
    Two Kicker CVR's
    800 Watt Cobalt amp
    Specter Cold Air Intake
    5 funtion Pacer led light bar

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