Thread: zzp or slp

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  1. #1 zzp or slp 
    GT Level Member grand2000prixgtp's Avatar
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    what headers do you think are better? the zzp or the slp
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  2. #2 Re: zzp or slp 
    club of used to own a gp 99prixgt's Avatar
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    slp's tend to make a ticking sound. ZZP's are really nice. If i was going to spend that much $$ i would get zzp's.
    16' wrx sti- stock
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    99 silvermist gp gt-g5/xp/IC/3.0mps-parted&sold
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  3. #3 Re: zzp or slp 
    TDCRacing
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    Previous owner of ZZP's I would not buy them again. The SLP's seem to be very nice.
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  4. #4 Re: zzp or slp 
    GT Level Member grand2000prixgtp's Avatar
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    Quote Originally Posted by TDCRacing View Post
    Previous owner of ZZP's I would not buy them again. The SLP's seem to be very nice.
    what was wrong with the zzp headers?
    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: zzp or slp 
    TDCRacing
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    The flange on the outlet of the headers did not seal well at all. Mainly because the width of the flange wall is too this. Therefor it blew gaskets all of the time. The crossover also leaked.


    And stainless does not stay good looking for long at all.
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  6. #6 Re: zzp or slp 
    GT Level Member grand2000prixgtp's Avatar
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    alright i think i will just go with the slp 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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  7. #7 Re: zzp or slp 
    club of used to own a gp 99prixgt's Avatar
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    HOLY SIGNATURE!!! i hope your not running a 3.4 with only an intake
    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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  8. #8 Re: zzp or slp 
    GT Level Member grand2000prixgtp's Avatar
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    im not i got all the supporting mods it needs and i have had it scanned
    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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  9. #9 Re: zzp or slp 
    GXP Level Member Iron Indian's Avatar
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    I love my TOGs. IMO they were the best and there still the best headers availible for these cars. Glad I lucked out and got mine....
    Shawn W. Larsen

    2005 Pontiac GTO 6.0 LS2/A4... Stalled/Cam Only: 406 RWHP , 370 RWTQ

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  10. #10 Re: zzp or slp 
    GT Level Member grand2000prixgtp's Avatar
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    Quote Originally Posted by Iron Indian View Post
    I love my TOGs. IMO they were the best and there still the best headers availible for these cars. Glad I lucked out and got mine....
    yea i looked at them i dont really have that much money for tog headers
    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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  11. #11 Re: zzp or slp 
    Donating Users Quicklynx's Avatar
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    i like my TOGs and they sound good on the stock exhaust
    2005 IBM Pontiac GTO, Built 4.8L .84 Twin Turbos
    1998 Pontiac Grand Prix Daytona Edition, Sold
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  12. #12 Re: zzp or slp 
    GrandPrix Junkie Sabrewings's Avatar
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    Quote Originally Posted by TDCRacing View Post
    The flange on the outlet of the headers did not seal well at all. Mainly because the width of the flange wall is too this. Therefor it blew gaskets all of the time. The crossover also leaked.


    And stainless does not stay good looking for long at all.
    Reptile didn't seem to have those issues. Plus you had one of the first sets. I've seen a lot of these installed over on GPONA and on NAIOA and never seen those issues on any others. Everyone says they're install easy and seal the first time.

    If you're gonna spend that kind of money get the ZZP headers. If you can find a set of SLP headers used that don't have warped flanges, then get those if you like.
    2004 Impala LS - got some mods sold!!!
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  13. #13 Re: zzp or slp 
    I AM PEWPIN! rynoman03's Avatar
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    SLP's or TOG's in my opinion are best.
    1999 GTPHP Tuned, Ported SC/TB, 42#'s, SSAC's, ZZP Modded 1.9's/LS6 Springs/Manley's, TransGo Shift Kit, Poly Uppers, KYB GR2's/Springtech's. - 231k and traded it in. - Gone
    2000 GTP: XP, P&P'd Heads, N*\Lq4 MAF, GenV, 42#'s, PRJ Rails\FPR, Racetronix, TEP w/ 3.29 Gears, 300m, 7/8" chain, SSAC's. - Collecting dust in my garage.
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  14. #14 Re: zzp or slp 
    The Blue One blueguy's Avatar
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    Reptile's ARE Parker's headers IIRC Still gonna stick with my Pacerusters for the price
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
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  15. #15 Re: zzp or slp 
     

  16. #16 Re: zzp or slp 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by Bio248 View Post
    slip fits SUCK
    YOU SUCK
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
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  17. #17 Re: zzp or slp 
    TDCRacing
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    Quote Originally Posted by Sabrewings View Post
    Reptile didn't seem to have those issues. Plus you had one of the first sets. I've seen a lot of these installed over on GPONA and on NAIOA and never seen those issues on any others. Everyone says they're install easy and seal the first time.

    If you're gonna spend that kind of money get the ZZP headers. If you can find a set of SLP headers used that don't have warped flanges, then get those if you like.


    Reptile has my old ones


    But yes I did have one of the first sets. Another issue was that they supplied me with the wrong clamp size. The band clamp would not close all of the way so it leaked from there.


    If you have seen a bunch installed then they must have corrected those small imperfections.


    Yes Nick, Slip fit's do suck. I have never had an issue with ball and flange type fitting sealing. Not even the ones on the pacesetters.
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  18. #18 Re: zzp or slp 
    GrandPrix Junkie Sabrewings's Avatar
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    Quote Originally Posted by bluegtp91 View Post
    Reptile's ARE Parker's headers IIRC
    That's precisely what I was getting at.
    2004 Impala LS - got some mods sold!!!
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  19. #19 Re: zzp or slp 
    GT Level Member grand2000prixgtp's Avatar
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    i think i might just the pacesetter from the w body store. do you think this are good?
    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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  20. #20 Re: zzp or slp 
    DUI BABY Bio248's Avatar
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    Quote Originally Posted by TDCRacing View Post
    Yes Nick, Slip fit's do suck. I have never had an issue with ball and flange type fitting sealing. Not even the ones on the pacesetters.
    i had a set of TOGS. easy intall, but mine were warped so they were hard to seal on the crossover.

    got rid of them for my S&S (brand new) and they rock. super easy install and they sealed up the first time i put them on. i even opened up my engine bay one time and found one of my crossover bolts COMPLETELY out. not loose, but just sitting there in the bolt hole. STILL sealed up perfectly.

    i do not like any of the slip fit design headers...which is all of them except TOGs or S&S.
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