Thread: Thinking of a Catback for my 2003 GTP... Which one?

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  1. #1 Thinking of a Catback for my 2003 GTP... Which one? 
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    The previous owner of my car meshed with the stock exhaust and put in a straight pipe in place of the resonator. The job was done poorly and it is now leaking somewhere and is noisy sounds crappy. I am thinking of buying the Magnaflow catback system and was wondering if anyone has this system and if it sounds good? I am hoping for a mild exhaust note that might come alive if I get on the gas but for normal cruising I'd like it to be quiet, any recommendations? Thanks for the help.
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  2. #2 Re: Thinking of a Catback for my 2003 GTP... Which one? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    I'm gunna be real here, these cars all sound like crap with aftermarket mufflers, except maybe borla.

    Most mufflers like flowmasters and magnaflows will sound great at idle but will drone and send the sound right back into the inside of the car and you will hate it.

    Honestly I'd just go buy a glasspack and have them (exhaust shop) cut the straight pipe section out and but the glasspack there to act as a resonator and leave the rest alone.

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  3. #3 Re: Thinking of a Catback for my 2003 GTP... Which one? 
    SE Level Member ImColeTrickle's Avatar
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    I agree with him. My catback sounds awesome at idle but it does drone like s**t. I'd keep the the stock muffs unless you can tolerate a good bit of noise
    Crashed 1997 GP GT Mods: Ebay Intake, SSAC Headers, 2.5" ZZP Catback, Poly Uppers, Polished Aluminum DB's, ZZP 1.0 PCM, 6000k HID's

    New Car: Black 2002 GT 4dr Stock
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