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  1. Zzp cat back exhaust?

    Started by Bogartthegod, 10-25-2022 04:57 PM
    back, cat, exhaust cat back, kinda, zzp
    • Replies: 2
    • Views: 949
    Last Post: 10-27-2022 08:54 PM
    by SgtMarshal  Go to last post

    Forum:
    3.8L V6 Supercharged (L67)(L32)

  2. 3" catalytic converter and 3 to 2.5 zzp stinger end

    Started by grinditout, 08-06-2021 10:42 PM
    cat, catalytic, converter, stainless, zzp
    • Replies: 2
    • Views: 1,676
    Last Post: 08-06-2021 10:46 PM
    by grinditout  Go to last post

    Forum:
    For Sale - Parts

  3. ZZP Full System - Headers to Mufflers

    Started by turbojimmy, 11-18-2020 02:46 PM
    cat, headers, obo, shipping, system
    • Replies: 7
    • Views: 2,387
    Last Post: 12-14-2020 11:19 AM
    by turbojimmy  Go to last post

    Forum:
    For Sale - Parts

  4. down pipe

    Started by fever42, 07-22-2020 03:58 PM
    cat, exit, matter, pipe
    • Replies: 0
    • Views: 1,142
    Last Post: 07-22-2020 03:58 PM
    by fever42  Go to last post

    Forum:
    Wanted To Buy - Parts

  5. 2004 Grand Prix GT Shifting/Acceleration Issues

    Started by Machavelli, 07-13-2020 03:25 AM
    acceleration, cat, hesitation, shifting, vacuum 2 Attachment(s)
    • Replies: 6
    • Views: 1,374
    Last Post: 07-15-2020 05:04 AM
    by Machavelli  Go to last post

    Forum:
    General Grand Prix Discussion

  6. Po420 help

    Started by KCprix, 11-19-2018 06:45 AM
    advice, car, cat, full, oreilly
    • Replies: 14
    • Views: 17,175
    Last Post: 05-19-2020 11:02 AM
    by dezldave961  Go to last post

    Forum:
    Engine

  7. I gutted my CAT and I love it!!!

    Started by mcdavidhome, 01-03-2020 03:06 PM
    cat, cat converter, catless, clogged
    • Replies: 16
    • Views: 11,316
    Last Post: 01-09-2020 12:22 PM
    by mcdavidhome  Go to last post

    Forum:
    General Grand Prix Discussion

  8. ZZP 3" downpipe install help (rusted parts)

    Started by Y2KGTP, 05-12-2019 10:45 AM
    back, cat, downpipe, flange, rusted
    • Replies: 4
    • Views: 9,546
    Last Post: 05-12-2019 11:51 AM
    by Y2KGTP  Go to last post

    Forum:
    General Grand Prix Discussion

  9. Which cat is better

    Started by Stone 316, 03-09-2018 12:56 AM
    andy, cat, lol, serves, worked
    • Replies: 13
    • Views: 2,638
    Last Post: 09-27-2018 12:41 PM
    by digitalgpbandit  Go to last post

    Forum:
    3.8L V6 Naturally Aspirated (L36)(L26)

  10. Stock exhaust question

    Started by 00RedfireGT, 05-03-2018 03:19 PM
    cat, muffs, resonator, stock, wondering
    • Replies: 11
    • Views: 1,585
    Last Post: 05-04-2018 10:14 AM
    by Bronco Boy  Go to last post

    Forum:
    General Tech Discussion

  11. Exhaust question

    Started by onklp, 03-26-2018 06:02 PM
    back, cat, fit, impala, question
    • Replies: 5
    • Views: 1,714
    Last Post: 03-27-2018 03:37 PM
    by onklp  Go to last post

    Forum:
    3.8L V6 Naturally Aspirated (L36)(L26)

  12. Downpipe and O2 Test delete in HP tuners.

    Started by Tater85, 01-30-2018 03:44 PM
    car, cat, delete, downpipe, test
    • Replies: 11
    • Views: 4,479
    Last Post: 02-01-2018 02:09 PM
    by Scottydoggs  Go to last post

    Forum:
    General Tech Discussion

  13. Headers without deleting cat

    Started by TheFragrantVagrant, 04-28-2013 11:46 AM
    cat, deleting, headers
    • Replies: 16
    • Views: 2,357
    Last Post: 03-08-2016 02:06 PM
    by khornocker  Go to last post

    Forum:
    General Tech Discussion

  14. Deleted Cat now worse milage?

    Started by Below Average Joe, 09-21-2013 09:08 PM
    2 Pages •
    1 2
    cat, deleted, milage, worse
    • Replies: 27
    • Views: 2,275
    Last Post: 09-26-2013 05:41 AM
    by Below Average Joe  Go to last post

    Forum:
    General Grand Prix Discussion

  15. Headers Sold, cat available

    Started by monte0, 08-04-2013 07:18 PM
    2 Pages •
    1 2
    cat, fscatted, headers, slp, sold
    • Replies: 22
    • Views: 3,142
    Last Post: 09-05-2013 05:27 PM
    by monte0  Go to last post

    Forum:
    For Sale - Parts

  16. Where to sell a cat converter to

    Started by indygrandprix, 09-04-2013 01:24 PM
    cat, converter, sell
    • Replies: 1
    • Views: 1,102
    Last Post: 09-04-2013 03:08 PM
    by dsmuts  Go to last post

    Forum:
    General Tech Discussion

  17. Cat is now bad replacing down pipe....

    Started by Spike89, 08-20-2013 05:00 AM
    2 Pages •
    1 2
    bad, cat, pipe, replacing
    • Replies: 26
    • Views: 3,010
    Last Post: 08-20-2013 03:42 PM
    by Fivefingerdeathpunch  Go to last post

    Forum:
    3.8L V6 Naturally Aspirated (L36)(L26)

  18. 02 sensor non fouler

    Started by kurupt305, 07-22-2013 03:19 PM
    02 sensor, 0420, cat, cel, fouler, sensor
    • Replies: 6
    • Views: 1,619
    Last Post: 07-22-2013 07:35 PM
    by REDCRAPGP  Go to last post

    Forum:
    General Tech Discussion

  19. What aftermarket cat won't trip my check engine light?

    Started by evand, 07-15-2013 04:51 PM
    aftermarket, cat, check, engine, light, trip
    • Replies: 9
    • Views: 2,717
    Last Post: 07-15-2013 10:55 PM
    by Slick2500  Go to last post

    Forum:
    General Tech Discussion

  20. 2.8 GP cat converter

    Started by Dmar73, 06-29-2013 10:15 AM
    cat, converter
    • Replies: 3
    • Views: 1,396
    Last Post: 06-29-2013 05:06 PM
    by Fivefingerdeathpunch  Go to last post

    Forum:
    Engine

  21. Masterflow MF16726 on a 2004 GTP possible? & Cat question

    Started by andersondr09, 06-11-2013 07:29 PM
    2004, cat, gtp, masterflow, question
    • Replies: 0
    • Views: 1,249
    Last Post: 06-11-2013 07:29 PM
    by andersondr09  Go to last post

    Forum:
    Visual/Body Modifications

  22. Need advice on a getting a new cat

    Started by 01GT guy, 06-06-2013 11:14 PM
    advice, cat
    • Replies: 8
    • Views: 1,736
    Last Post: 06-10-2013 10:01 PM
    by Fivefingerdeathpunch  Go to last post

    Forum:
    3.8L V6 Naturally Aspirated (L36)(L26)

  23. Magnaflow cat back exhaust kit

    Started by rhenuset, 05-25-2013 03:59 PM
    cat, exhaust, kit, magnaflow, magnaflow kit
    • Replies: 8
    • Views: 2,828
    Last Post: 05-31-2013 03:05 PM
    by joshv  Go to last post

    Forum:
    04+ Specifics

  24. exhaust leak pace setter headers and zzp 3 inch cat back

    Started by 2000supercharged, 05-29-2013 05:19 PM
    cat, exhaust, headers, inch, leak, pace, setter, zzp
    • Replies: 1
    • Views: 1,819
    Last Post: 05-29-2013 06:23 PM
    by JDrach  Go to last post

    Forum:
    General Tech Discussion

  25. How to remove stock fiber exhaust gasket behind cat???

    Started by tms8582, 05-20-2013 03:51 PM
    cat, exhaust, fiber, gasket, remove, stock
    • Replies: 2
    • Views: 1,178
    Last Post: 05-20-2013 04:21 PM
    by tms8582  Go to last post

    Forum:
    3.8L V6 Supercharged (L67)(L32)

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