Thread: 06 downpipe

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  1. #1 06 downpipe 
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    zzp told me i wanted a 2.5" dp with cat for my n/a 06 gp. is that true or do i still wanna go with the 3" with cat?
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  2. #2 Re: 06 downpipe 
    The Blue One blueguy's Avatar
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    It is up to you...I say 3"...if you going to keep modding go bigger...if you plan on just a DP and intake of sorts...then the 2.5" is fine.
    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
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  3. #3 Re: 06 downpipe 
    SE Level Member GeeBee's Avatar
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    Beware their cat is likely going to piss off your pcm and tuning an 06 reqs getting a 04-05 pcm and can make your gas gauge work in reverse
    2006 Grand Prix Gt - Wizair, Solid Poly Mounts
    1996 Olds 98 Regency Elite - Dieing of Car Cancer and old age.
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  4. #4 Re: 06 downpipe 
    The Blue One blueguy's Avatar
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    TUNING a '06 requires a PCM swap...he can get a o2 emulator or just pray. Some people have never had issues with a H.F. cat tripping the code.
    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
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  5. #5 Re: 06 downpipe 
    GTP Level Member tazyboy28's Avatar
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    and wat code is that?
    specs:2007 GP GT, wizair intake, ZZP headers, 3inch high flow cat downpipe. SLP power flo exhaust
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  6. #6 Re: 06 downpipe 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by tazyboy28 View Post
    and wat code is that?
    The code for the converter being gone...

    You really just ask that?
    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
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  7. #7 Re: 06 downpipe 
    I AM PEWPIN! rynoman03's Avatar
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    Wat iz u talksing but Blew ?

    And i think he did just ask that.
    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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  8. #8 Re: 06 downpipe 
    GTP Level Member tazyboy28's Avatar
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    no i meant wat exactly is that code. . .meaning wat the letter and number is.
    specs:2007 GP GT, wizair intake, ZZP headers, 3inch high flow cat downpipe. SLP power flo exhaust
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  9. #9 Re: 06 downpipe 
    GTP Level Member AjL227's Avatar
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    PO420: catalyst efficiency below threshold.
    '04 CompG "WS6"
    '00 2.5RS "GM6"
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