Thread: SLP Powerflo Catback/zzp 3" downpipe

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  1. #1 SLP Powerflo Catback/zzp 3" downpipe 
    GTP Level Member FriboRage's Avatar
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    Just bought an slp powerflo. It's a full catback as seen here: http://intense-racing.com/Merchant2/...e=3800_Exhaust

    You'll get everything pictured.

    I added a magnaflow glasspack to the system, so you'll get that as well as the section of pipe I cut out to put the glasspack in. You'll also get the dual/dual tips I never used, as well as the tips I did use that I bought separately.

    It sounds good, but it's just too loud for my tastes, and I live in a quiet neighborhood. It would be fun to keep if this wasn't my daily driver. I just put it on, it's only been on the car about 100 miles/2 days.

    I'm located in the Scranton area of Pennsylvania, not really interested in shipping this because of its size and weight, but contact me if you'd be willing to pay for something like that.

    I originally bought it for $530, so I'm asking $400 since it's barely even been run.

    I don't have any pictures right now cause it's still one n the car, but it's exactly as pictured on the site, plus a glasspack. Message me if you want pictures or a sound clip, or have any questions at all.

    I'm putting it up on craigslist in two days, but I wanted to give people here first.

    Im also adding on a zzp 3" downpipe in great condition, still works and performs as new. Only difference is the coloration on the outside from being on the car for a few years. Being it's stainless, though, it's just surface color. Asking $75. Pictures coming. ***DP SOLD***



    Last edited by FriboRage; 06-11-2017 at 02:25 PM.
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    2004 Grand Prix GTP Comp G: Intake, F+R plogs + downpipe, 1.7 YT Rollers, Overkill, F-body front brakes, drilled/slotted r1 concept rotors.
    Sport Edition Kv5 18x8
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  2. #2 Re: SLP Powerflo Catback 
    SE Level Member 40thAnnGTP2002's Avatar
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    Interested. Can you get package measurements and I'll get a quote?
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  3. #3 Re: SLP Powerflo Catback 
    GTP Level Member FriboRage's Avatar
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    I'll get measurements as soon as I get home in a few hours. It's pretty big, like 5'x2' and 60lbs.
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  4. #4 Re: SLP Powerflo Catback 
    GTP Level Member FriboRage's Avatar
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    It is 5' long by 1' wide by 1.5'' tall.

    I don't have a way to weigh it, but the tracking number I got with it reads 60lbs.

    The quote I'm seeing from ups is about $73
    Last edited by FriboRage; 05-10-2017 at 08:36 PM.
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  5. #5 Re: SLP Powerflo Catback 
    GTP Level Member FriboRage's Avatar
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    Bump - posting to craigslist tomorrow
    Last edited by FriboRage; 05-19-2017 at 10:35 PM.
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  6. #6 Re: SLP Powerflo Catback 
    GTP Level Member FriboRage's Avatar
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    Added pictures
    --------------------------------------------------------------------------------
    2004 Grand Prix GTP Comp G: Intake, F+R plogs + downpipe, 1.7 YT Rollers, Overkill, F-body front brakes, drilled/slotted r1 concept rotors.
    Sport Edition Kv5 18x8
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  7. #7 Re: SLP Powerflo Catback 
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    So was it loud, and you that adding a chamber, would quite it down?
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  8. #8 Re: SLP Powerflo Catback 
    GTP Level Member FriboRage's Avatar
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    The glasspack I added quieted it down quite a bit, yes.

    Before the glasspack it was loud all the time, with the glasspack it was only loud under throttle like leaving a stop light and going up hills.
    --------------------------------------------------------------------------------
    2004 Grand Prix GTP Comp G: Intake, F+R plogs + downpipe, 1.7 YT Rollers, Overkill, F-body front brakes, drilled/slotted r1 concept rotors.
    Sport Edition Kv5 18x8
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  9. #9 Re: SLP Powerflo Catback 
    SE Level Member smg267's Avatar
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    I'd be willing to pick up when you get to crack head prices. Any intrest in a complete standalone nitrious setup with progressive control / timing retarder fuel and nitrious solenoids + purge valve? I've had it laying around for years for my LS1 and I'm sure it could work with anything.

    Then standalone goes for $800

    http://www.nitrousoutlet.com/dedicat...el-system.html
    99 GTP , 01 Z/28 H/C/I , 05 Hemi Grand Cherokee, 07 Ducati S2r800

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  10. #10 Re: SLP Powerflo Catback 
    GTP Level Member FriboRage's Avatar
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    Eh, I'm not really that interested in making more power at this point because I'm not that interested in transmission replacements, lol.

    So at what point exactly do crack head prices begin?
    --------------------------------------------------------------------------------
    2004 Grand Prix GTP Comp G: Intake, F+R plogs + downpipe, 1.7 YT Rollers, Overkill, F-body front brakes, drilled/slotted r1 concept rotors.
    Sport Edition Kv5 18x8
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  11. #11 Re: SLP Powerflo Catback 
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    Depends on how much blow you'd like
    2012 Buick Regal Premium1 Turbo - White Diamond Tri-coat - 20% Tint - 5k HID Head/Fog Lights - ZZP CAI
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  12. #12 Re: SLP Powerflo Catback/zzp 3" downpipe 
    GTP Level Member FriboRage's Avatar
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    Bump - added downpipe for sale
    --------------------------------------------------------------------------------
    2004 Grand Prix GTP Comp G: Intake, F+R plogs + downpipe, 1.7 YT Rollers, Overkill, F-body front brakes, drilled/slotted r1 concept rotors.
    Sport Edition Kv5 18x8
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  13. #13 Re: SLP Powerflo Catback/zzp 3" downpipe 
    I can't car too good. SaukRapids's Avatar
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    Catted or catless DP?
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  14. #14 Re: SLP Powerflo Catback/zzp 3" downpipe 
    GTP Level Member FriboRage's Avatar
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    The downpipe has the spun metal style cat in it. It's still functioning perfectly and I've never had an emission code from it.
    --------------------------------------------------------------------------------
    2004 Grand Prix GTP Comp G: Intake, F+R plogs + downpipe, 1.7 YT Rollers, Overkill, F-body front brakes, drilled/slotted r1 concept rotors.
    Sport Edition Kv5 18x8
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  15. #15 Re: SLP Powerflo Catback/zzp 3" downpipe 
    Donating User Swiggles's Avatar
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    What size exit on the dp? And can you get some pics of it?
    No more GP 04 Impala SS Indy:
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  16. #16 Re: SLP Powerflo Catback/zzp 3" downpipe 
    GTP Level Member FriboRage's Avatar
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    It's whatever size comes on it by default to match up with the stock catback - 2.25" I think?

    pics added to post #1
    --------------------------------------------------------------------------------
    2004 Grand Prix GTP Comp G: Intake, F+R plogs + downpipe, 1.7 YT Rollers, Overkill, F-body front brakes, drilled/slotted r1 concept rotors.
    Sport Edition Kv5 18x8
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  17. #17 Re: SLP Powerflo Catback/zzp 3" downpipe 
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    Trying to pm you back but you need to delete some it will go through. Thanks
    07 base tinted windows led tails new wheels spo grills spo spoiler retrofit projectors transgo shift kit overkill tune inferno lip special edition rear lip 2.5 cat back dual exhaust
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  18. #18 Re: SLP Powerflo Catback/zzp 3" downpipe 
    GTP Level Member Lishap's Avatar
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    Yeah tried to PM you about the downpipe and exhaust.
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  19. #19 Re: SLP Powerflo Catback/zzp 3" downpipe 
    GTP Level Member FriboRage's Avatar
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    Cleared my inbox - sorry guys. Nothing came through though so you may have to resend
    Last edited by FriboRage; 05-31-2017 at 01:23 PM.
    --------------------------------------------------------------------------------
    2004 Grand Prix GTP Comp G: Intake, F+R plogs + downpipe, 1.7 YT Rollers, Overkill, F-body front brakes, drilled/slotted r1 concept rotors.
    Sport Edition Kv5 18x8
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  20. #20 Re: SLP Powerflo Catback/zzp 3" downpipe 
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    Just pmd
    07 base tinted windows led tails new wheels spo grills spo spoiler retrofit projectors transgo shift kit overkill tune inferno lip special edition rear lip 2.5 cat back dual exhaust
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