Thread: Just installed Speed daddy headers! Welding/downpipe?

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  1. #1 Just installed Speed daddy headers! Welding/downpipe? 
    SE Level Member ajc549FF's Avatar
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    So just installed speed daddy headers for my 98 GTP. Question....if you have installed headers, what parts do you weld? And does any body have an issue with that down pipe hanging pretty low?
    98GTP 3.5in tips, headers, fenderwell intake, 180tstat...3.5pulley?
    1984 Four Winns (Boat) 190 Horizon 19ft open bow...new 350 soon! and Thru Hull exhaust!
    03-07 Duramax Diesel next summer after paramedic is finally over!
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  2. #2 Re: Just installed Speed daddy headers! Welding/downpipe? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    umm???

    whatcha talking about willis?

    SD's are bolt on mods, if you are running no cat, it'll bolt up to the stock exhaust after the cat.

    all the slip joints, just use band clamps.

    Im stock height and I have never hit anything with them installed.

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  3. #3 Re: Just installed Speed daddy headers! Welding/downpipe? 
    Turbo is the way to go. BillBoost37's Avatar
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    The info you seek , was a quick search away

    http://www.grandprixforums.net/pictu...jig-44223.html
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  4. #4 Re: Just installed Speed daddy headers! Welding/downpipe? 
    SE Level Member ajc549FF's Avatar
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    Thank you for your help. Im going to buy band clamps today. So I need three of them from what I read...are they 3 inch?
    98GTP 3.5in tips, headers, fenderwell intake, 180tstat...3.5pulley?
    1984 Four Winns (Boat) 190 Horizon 19ft open bow...new 350 soon! and Thru Hull exhaust!
    03-07 Duramax Diesel next summer after paramedic is finally over!
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  5. #5 Re: Just installed Speed daddy headers! Welding/downpipe? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    crossover pipes are 2.25 and the dp are 3in.

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  6. #6 Re: Just installed Speed daddy headers! Welding/downpipe? 
    Moderator dsmuts's Avatar
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    Quote Originally Posted by Fivefingerdeathpunch View Post
    crossover pipes are 2.25 and the dp are 3in.
    2 of each
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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