Thread: ZZP DP on N/A: 2.5" or 3"?

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  1. #1 ZZP DP on N/A: 2.5" or 3"? 
    I live here. SlowNA06's Avatar
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    It looks like a lot of guys here are 3" fans, but I just wanted to double check, since the ZZP site says that I ought to go with 2.5" for my NA 3800... I'm just not cool like all you GT and GTP cats, so I wanted to make sure I'm no special case. I'm being bad and trying to stay away from a tune until I've figured out how I ought to go about it for my '06. So... if you see anything you know would make me throw codes, feel free to speak up!

    Grocery list:

    ZZP PLOGS
    ZZP Downpipe + cat
    180* Tstat
    9" K&N cone short ram intake

    Might be a cam or rockers... or rockers and a cam in my future. But at least not for a good while. Would this influence the choice? What do you guys think?
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  2. #2 Re: ZZP DP on N/A: 2.5" or 3"? 
    GrandPrix Junkie CTKGP09's Avatar
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    Grocery list:
    ZZP PLOGS - all you need is the front one, the back manifold isnt as restrictive
    ZZP Downpipe + cat - get the 3'' theres no need for a 2.5'' unless its your ONLY mod
    180* Tstat
    9" K&N cone short ram intake - make sure its 4'' in diameter

    if you do that id say money well spent
    '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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  3. #3 Re: ZZP DP on N/A: 2.5" or 3"? 
    Donating Users Warbeaver's Avatar
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    ive got a 3" ZZP
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