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Thread: Flowmaster Or Custom?

  1. #11
    Join Date
    Nov 2007
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    THE MEAN STREETS OF OKLAHOMA
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    magnaflow quiet....wait til you hear my truck
    THEY CALL ME G.

    AZRAEL

    2017 RZR 1000 2 SEATER
    2023 RZR 1000 XP 4
    2008 LTZ DURAMAX 3500
    2023 300S 5.7
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    The difference between winning and losing, is having a 2nd stage.

  2. #12
    Join Date
    Aug 2007
    Location
    Gramercy
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    945
    ????? ive never heard a quit magnaflow...but id never run flowmaster its poo
    2008 GMC CCSB 6.2/6L80e swap
    Gen IV 5.3/60e swap 1994 ecsb W/T

  3. #13
    Join Date
    Mar 2008
    Location
    Burleson, Texas
    Posts
    389
    Are there any dynos to prove magnaflow is better than flowmaster?
    '00 Silverado 4.8L (Gone)
    '11 Silverado 4.8L

    Quote Originally Posted by RUFFNECK View Post
    ...First relieve the pressure before doin' that or else you will get a nasty squirt and may get in ur eye.

  4. #14
    Join Date
    Dec 2008
    Location
    san antonio TX
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    1,365
    Quote Originally Posted by LamboDoNoMo View Post
    magnaflow quiet....wait til you hear my truck
    your truck also has LT's, 3" true duals,and no cats. mine has stock manifolds, stock cats in place, and stock pipes. BTW cant wait to see your truck at SAR, its a beast.
    1982 c10 lsx swaped, NP tuned, true duals, 4:11s, trutrac, e-fans, CAI

  5. #15
    Join Date
    Dec 2008
    Location
    san antonio TX
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    Quote Originally Posted by keniff View Post
    ????? ive never heard a quit magnaflow...but id never run flowmaster its poo
    the magnaflow i had on my truck i put it on my dads 03 silvy he likes the sound because its nice and quiet. there quiet when its stock. when you have headers, and remove the cats they sound good. your comment about the flowmaster is poo thats your opinion thats fine. to each there own but the thread is about the guy picking between the complete kit or the muffler, not how its crap.
    1982 c10 lsx swaped, NP tuned, true duals, 4:11s, trutrac, e-fans, CAI

  6. #16
    Join Date
    Jan 2010
    Location
    spanaway wa
    Posts
    419
    thank you.... But i have run flowmaster on all my cars and trucks from muscle car to suv, i just have always loved the sound. thank you guys for all the help, after i get some more cash i will get a borla or something nicer. If i want to go with magnaflow what muffler should i buy?

  7. #17
    Join Date
    Oct 2008
    Location
    Cedar Park, texas
    Posts
    440
    a 14 inch oval one, sounds beastly without cats
    Axekick tuned, Pacesetters, Servo.

  8. #18
    Join Date
    Jan 2010
    Location
    spanaway wa
    Posts
    419
    do you have a part number. by chance.

  9. #19
    Join Date
    Oct 2008
    Location
    Cedar Park, texas
    Posts
    440
    MagnaFlow 12158 - MagnaFlow Performance Mufflers - Overview - SummitRacing.com

    they can expand the inlet to 2.75 witch is stock, and dual out since you going before the rear tire
    Axekick tuned, Pacesetters, Servo.

  10. #20
    Join Date
    Jan 2009
    Location
    Round Rock, Texas
    Posts
    1,699
    The power difference between mufflers is minimal at best. Choose something that sounds good not something that gains you 3 hpover another, thats what cutouts are for
    cjriojas:if you're weather man is a 5 gallon bucket, YOUUUUUUUUUUU might be a redneck
    danger_ranger83: I see now why it cost so much to get a harness made... FML
    2boostedSilverado: I like Casey's rear end, I want to chat with him about it

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