Thread: Cat Back System/Resonator - Normal??

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  1. #1 Cat Back System/Resonator - Normal?? 
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    Is it normal to have this wavyness in the resonator? I'm assuming this is where it was welded. The car is a 2001 w/ 105,000 miles. Both mufflers are shot as they started opening up on the seams. How does the overall condition look?

    I can't seem to upload a pic. Will try again later.
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  2. #2 Re: Cat Back System/Resonator - Normal?? 
    GTX Level Member Steel Armadillo's Avatar
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    What do you mean by "wavyness"? Like the physical piece itself is not straight?
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  3. #3 Re: Cat Back System/Resonator - Normal?? 
    GTP Level Member Pepino's Avatar
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    ??? Don't understand what the "wavyness" is? Could be that the person that had the car before you wouldn't slow down for speed bumps and such, so they kept on bottoming out.... especially if your lowered.

    Use photobucket to upload pics..... seems to have the least problems.
    Its just a car.......with rust and dreams for the future!!!!

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  4. #4 Re: Cat Back System/Resonator - Normal?? 
    GrandPrix Junkie CTKGP09's Avatar
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    i know what you mean, the seams on the sides are rusting and warping, mine is doing this too and i have been keeping an eye on it because the rust is starting to get the better of my ressy
    '04 Chevy Silverado LT 4x4 - intake, headers, full exhaust, zo6 cam, 799 heads, tune, leveled, 33's
    '00 Grand Prix GTP DAYTONA 500 - L36 block, S1X, intercooled, GenV, N*, headers, full exhaust, coilovers, 5 speed swap, stage 3+ clutch
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  5. #5 Re: Cat Back System/Resonator - Normal?? 
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    I couldn't get photobucket to upload pictures either - maybe user error!

    CTKGP09 is correct. The seams are wavy. How soon will they go? My mufflers are both shot with large horizontal holes in them at the seams. I'm just hoping the res. doesn't go too soon.
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  6. #6 Re: Cat Back System/Resonator - Normal?? 
    GrandPrix Junkie CTKGP09's Avatar
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    not sure, my entire exhaust is rustless, except the ressy is looking like how you described, figured id keep it till a hole appears then replace it
    '04 Chevy Silverado LT 4x4 - intake, headers, full exhaust, zo6 cam, 799 heads, tune, leveled, 33's
    '00 Grand Prix GTP DAYTONA 500 - L36 block, S1X, intercooled, GenV, N*, headers, full exhaust, coilovers, 5 speed swap, stage 3+ clutch
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