Thread: Down Pipe Bolts

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  1. #1 Down Pipe Bolts 
    Brads01GP
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    Default 02-15-2010
    Does anybody know what size bolts are on the down pipe, both ends? Im getting ready to change mine and know the will break or will have to be cut and I want replacements ready so I dont hve to wait to get my car back together.
    Car is a 01 Grand Prix Gt 3.8 non supercharged. Thanks in advanced.
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  2. #2 Re: Down Pipe Bolts 
    gtpinsc
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    Default 02-15-2010
    not sure on size, spray them down with PB blaster a few times and let it soak... mine came out with ease... just did headers and my exhaust manifold bolts came out easy with pb blaster also.

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  3. #3 Re: Down Pipe Bolts 
    Brads01GP
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    Default 02-15-2010
    Is the manifold threaded or is it nut and bolt?
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  4. #4 Re: Down Pipe Bolts 
    gtpinsc
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    Default 02-15-2010
    threaded.

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  5. #5 Re: Down Pipe Bolts 
    Bio248
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    Default 02-15-2010
    the manifold is NOT threaded. the heads are threaded. all of them are bolts or studs from the head.
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  6. #6 Re: Down Pipe Bolts 
    Brads01GP
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    Default 02-15-2010
    Thanks for the help.
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  7. #7 Re: Down Pipe Bolts 
    gtpinsc
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    Default 02-15-2010
    the way the question was asked is why i answered it that way.

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  8. #8 Re: Down Pipe Bolts 
    Brads01GP
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    Default 02-15-2010
    Im going on what everybody tells me so fare. I havent actually got under the car yet other than to see the down pipe broke in two. Thanks again
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  9. #9 Re: Down Pipe Bolts 
    Jakegday
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    Default 02-16-2010
    manifold to downpipe is 13mm nuts
    2001 GT: cat/ubend/resonator delete, zzp PLOG, custom intake, DHP pcm
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