Thread: Downpipe

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  1. #1 Downpipe 
    GT Level Member kissmyss's Avatar
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    I have a 2.5 inch downpipe, would switching to a 3 inch provide any benefits?
    05 SS CAI intake, Front & rear STB's, ZZP SS DP wcat, ZZP 180 t-stat, ZZP 3.5 tensioner pulley (both), ZZP S/S ceramic plog with ceramic crossover, Overkill Pcm, Aeroforce triple gauge w/pillar pod, Thrasher 3.4 s/c pulley, MCR 200 amp alternator, PRJ wires, Intense Shift kit, ZZP 1.9 modded rockers, ZZP stage 2 Tb, Extreme Dimensions rear bumper lip.
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  2. #2 Re: Downpipe 
    Approved Vendor FurchesPerformance's Avatar
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    Given your current modifications (assuming your signature is accurate) I would say no in my opinion.

    Brandon
    Furches
    2008 -Dark Slate Metallic- Grand Prix GXP
    2005 -Dark Cherry Metallic- Grand Prix GXP
    2005 Monte Carlo SS Supercharged
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  3. #3 Re: Downpipe 
    GT Level Member kissmyss's Avatar
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    Quote Originally Posted by bfurches View Post
    Given your current modifications (assuming your signature is accurate) I would say no in my opinion.
    Yes it's accurate, thanks for your response.
    05 SS CAI intake, Front & rear STB's, ZZP SS DP wcat, ZZP 180 t-stat, ZZP 3.5 tensioner pulley (both), ZZP S/S ceramic plog with ceramic crossover, Overkill Pcm, Aeroforce triple gauge w/pillar pod, Thrasher 3.4 s/c pulley, MCR 200 amp alternator, PRJ wires, Intense Shift kit, ZZP 1.9 modded rockers, ZZP stage 2 Tb, Extreme Dimensions rear bumper lip.
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  4. #4 Re: Downpipe 
    Donating Users EHB's Avatar
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    are you seeing any KR ?
    2000 GTP - 3" Catted DP...ZZP Plog...9" Cone filter...Reptile pcm...3.4 pulley...AL104's
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  5. #5 Re: Downpipe 
    GT Level Member kissmyss's Avatar
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    It rarely happens and when it does it's less than 1.
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