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Looking for Exhaust advice 05 sierra

This is a discussion on Looking for Exhaust advice 05 sierra within the Exhaust forums, part of the Performance category; Im looking at buying an 05 sierra 1500 5.3 cc z71. I know it has split rear exhaust, dont know ...

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    Looking for Exhaust advice 05 sierra


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    Im looking at buying an 05 sierra 1500 5.3 cc z71. I know it has split rear exhaust, dont know what kind of muffler though. I would go back to one pipe out of the stock location. I love having a quiet truck but i would hate to change it back to stock. Im wondering if any of you have advice as to what exhaust will flow decent but remain quiet? I mainly want to avoid highway drone. Thanks in advance guys

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    Re: Looking for Exhaust advice 05 sierra

    22" magnaflow 5x8
    1998 Chevy K1500 Z71 ECSB Vortec 350 3.42 G80- Shortys, True Dual 40's, Volant CAI, Blackbear 93 Tune, E-Fan, Jacobs Ignition, Built 4L60E, 500W JL 10" W3 sub w/ Alpine M500 amp, Alpine speakers w/ 300W Infinity 4-channel amp

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    Registered User Low97tahoE's Avatar
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    Re: Looking for Exhaust advice 05 sierra

    Quote Originally Posted by 98BlueZ71 View Post
    22" magnaflow 5x8
    x2
    2001 ECSB, 4/7 Drop, 265/35/22, 4.8, 3.73s, Thunder Racing Tune (93), Vette Servo, Pacesetter LTs/ORY, CAI
    Coming Soonish: 214/222 EPS Cam, 243 Heads, NNBS Intake.


    WRECKED AND SOLD: '97 2DR 2WD Tahoe

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    Registered User SierraDan's Avatar
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    Re: Looking for Exhaust advice 05 sierra

    Yep a long Magnaflow is a great choice but why not keep the duals? With the right muffler you can have the nice look of duals but still be almost stock quiet. I say the long Magnaflow or Dynomax Ultra Flo, either will be quiet and still have a slight rumble to it versus a totally silent stock muffler.

    95 Sierra C1500 SL
    99 Suburban K1500 LT

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    Re: Looking for Exhaust advice 05 sierra

    i got a magnaflow 5x11x22, largest magnaflow overall, on my 08 silvy with a 5.3 and it is hardly louder than stock.....love it for my daily driver.....good luck.....
    Last edited by low2001gmc; 07-16-2010 at 10:08 PM.

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    Registered User SierraDan's Avatar
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    Re: Looking for Exhaust advice 05 sierra

    There are larger Magnaflows, I had a 24" case Mag on my truck, even with no cat I could barely hear it. They make also 27" and 30" case mufflers, those must be stealthy mufflers.

    95 Sierra C1500 SL
    99 Suburban K1500 LT

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    Registered User Jameslleary's Avatar
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    Re: Looking for Exhaust advice 05 sierra

    Magnaflow, the bigger, the quieter.
    1986 K10 Suburban
    350,TBI
    CFM-Tech Super Sucker
    Jet AFPR
    TBI heads
    Comp 12-388-4(260H)cam
    3" Walker quietflow SS exhaust

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    9/11/01 NEVER FORGET! gwhunter350's Avatar
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    Re: Looking for Exhaust advice 05 sierra

    everybody is spot on with Lg magnaflow... i have the 18in and its perfect for me
    Black 2004 Z71 Silverado ECSB,Superlift FIT 6in Lift,35in pc XATs, 18in XD SPYs,magnaflow cat back, AEM CAI, 93 blackbear tune, 5% tint all around, and alot more

    Soon to come-Efans(waiting install),cowl hood,4.56s,

    RIP Jimmy Hawkins, Im gonna miss you brother
    10/16/1989-10/05/2009

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    Re: Looking for Exhaust advice 05 sierra

    Quote Originally Posted by SierraDan View Post
    Yep a long Magnaflow is a great choice but why not keep the duals? With the right muffler you can have the nice look of duals but still be almost stock quiet. I say the long Magnaflow or Dynomax Ultra Flo, either will be quiet and still have a slight rumble to it versus a totally silent stock muffler.
    Im just really not a fan of pipes straight out of the back, or corners. If i would do duals i would put both pipes out of the passenger rear. Just personal preference.

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