Thread: exhaust

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  1. #1 exhaust 
    GT Level Member grand2000prixgtp's Avatar
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    had to get a new cat back cause my slp one i had got ripped off the car at a car wash. it has a magnaflow resonator on it and it has so much noise in the cabin i cant even hear my supercharger when i punch it and everything vibrates inside. any idea on what to do to keep the noise down?
    2000 GTP silver four door, K&N cone filter, autolite 104 plugs, slp cat back, 3.4 pulley, zzp pcm, pacesetter headers, zzp stage 1 throttle body, ported superchrger, F body brakes. sold...
    2004 GTO all stock for now.
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  2. #2 Re: exhaust 
    Donating Users Liquifire's Avatar
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    how long is the magnaflow res? They should be 24" or longer.......at least that is what I have read
    98 GTP Coupe- 180* T-stat, GMPP Front Sway Bar, Dual Aeroforce Interceptor's, TDC FWI, TDC Taylor 10.4's, ZZP SS Plog, ZZP 3" SS catted DP, ZZP MPS W/3.4, AL104's gapped @.055, 3800Perf. PCM
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  3. #3 Re: exhaust 
    Donating Users silverstreak's Avatar
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    Quote Originally Posted by grand2000prixgtp View Post
    had to get a new cat back cause my slp one i had got ripped off the car at a car wash. it has a magnaflow resonator on it and it has so much noise in the cabin i cant even hear my supercharger when i punch it and everything vibrates inside. any idea on what to do to keep the noise down?
    Sounds like you have exhaust leak(s). I have mag res and mufflers everything welded and dont experience anything like what your describing.
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  4. #4 Re: exhaust 
    GT Level Member grand2000prixgtp's Avatar
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    Quote Originally Posted by Liquifire View Post
    how long is the magnaflow res? They should be 24" or longer.......at least that is what I have read
    i heard that to. i dont think its that long
    2000 GTP silver four door, K&N cone filter, autolite 104 plugs, slp cat back, 3.4 pulley, zzp pcm, pacesetter headers, zzp stage 1 throttle body, ported superchrger, F body brakes. sold...
    2004 GTO all stock for now.
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  5. #5 Re: exhaust 
    GT Level Member grand2000prixgtp's Avatar
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    Quote Originally Posted by silverstreak View Post
    Sounds like you have exhaust leak(s). I have mag res and mufflers everything welded and dont experience anything like what your describing.
    alright i think i will go and get it welded then
    2000 GTP silver four door, K&N cone filter, autolite 104 plugs, slp cat back, 3.4 pulley, zzp pcm, pacesetter headers, zzp stage 1 throttle body, ported superchrger, F body brakes. sold...
    2004 GTO all stock for now.
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  6. #6 Re: exhaust 
    DUI BABY Bio248's Avatar
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    should have kept the stock exhaust if youre worried about hearing your blower whine.
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  7. #7 Re: exhaust 
    club of used to own a gp 99prixgt's Avatar
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    my blower whine drowns out my slp cat back
    16' wrx sti- stock
    06 Spice Red GTO- m6/exhaust/tune/suspension/377whp-383tq-sold
    99 silvermist gp gt-g5/xp/IC/3.0mps-parted&sold
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