Thread: Magnaflow cat back exhaust kit

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  1. #1 Magnaflow cat back exhaust kit 
    SE Level Member rhenuset's Avatar
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    Does anyone know if the Magnaflow cat back exhaust kit (16726) works on all models? It says its for the GXP but I'm a GT owner so I'm a little curious. I cut out my res and put in a magnaflow glasspack, it was loud at first but now that its broken in I dont really notice it
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  2. #2 Re: Magnaflow cat back exhaust kit 
    SE Level Member rhenuset's Avatar
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    Also I'm sure the 97-03 exhaust systems would fit 04+? just need a confirmation thanks
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  3. #3 Re: Magnaflow cat back exhaust kit 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Just buy new mufflers instead of spending triple the amount on a cat-back system.

    SMGPFC Member #1
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  4. #4 Re: Magnaflow cat back exhaust kit 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    The two concerns would be hangers and the connection at the down pipe. I'm not sure either way, but I would say it probably won't fit.

    Like cam said, mufflers for sound, and replace your resonator with a glass pack for better flow and no cackle.
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  5. #5 Re: Magnaflow cat back exhaust kit 
    SE Level Member rhenuset's Avatar
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    Has anyone used the gxp or 97-03 kit on an 04+ v6?
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  6. #6 Re: Magnaflow cat back exhaust kit 
    GrandPrix Junkie SDGTP99's Avatar
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    The difference is in the connection at the downpipe. Hangar spots are all the same.
    OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
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  7. #7 Re: Magnaflow cat back exhaust kit 
    SE Level Member Reverant GTP's Avatar
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    If you look at the specs the GXP has larger exhaust tips and resonator iirc
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  8. #8 Re: Magnaflow cat back exhaust kit 
    SE Level Member rhenuset's Avatar
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    Where the dp connects I assumer it would be a bigger opening?
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  9. #9 Re: Magnaflow cat back exhaust kit 
    GTP Level Member joshv's Avatar
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    ur car will sound terrible either way... spend less money on mufflers or no mufflers

    2005 GXP / Cartuning Turbo Kit / meth / Cutout / Ported LS4 intake Manifold / HP Tuned / Custom 3" Cat-Back / Highflow Cat / SSC Springs / Poly Dogbone Mount's / 2nd Tranny /
    ( p/o track time12.6@109mph 1.7 60ft )
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