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Thread: 351w swap exhaust question

  1. #1
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    Default 351w swap exhaust question

    What exhaust systems are you 351 swap guys running. I have a set of short headers on my 351 swap in a 87 tc. I would love to run long tube headers and 2.5 dual exhaust with an x pipe. I read on cool cats website that a mustang exhaust system will work. If this is true and you guys have tried it summit has a good deal on a 2.5 inch x pipe kit for mustangs. I would love to see some pics custom exhaust or store bought.

  2. #2
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    All you need is 351 specific headers; the rest of your exhaust should be fine. I’m not running a 351 but did look into it.
    Billy

    My motor missing the gt40 tubular upper http://foxtbirdcougarforums.com/showthread.php?t=17223
    Picks of my car http://foxtbirdcougarforums.com/showthread.php?t=17369
    http://www.cardomain.com/ride/2395591
    Car Domain will be under constrution for a while(it took me a year to do this)

  3. #3
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    Currently running BBK 351 swap shorty headers, Mac 2.5" off-road H-pipe to a pair of glasspacks and that's it.
    Project 3G: Grandpa Grocery Getter-'85 Crown Vic LTD 2-door, 351W with heavily ported/polished GT40 heads, heavily ported/polished Typhoon Power Plus upper & lower intake, Comp Cams 265DEH retarded 1*, FAST EZ-EFI, HD T5, 8.8" 3.73 trac lock with extra clutches, 3G alt. swap, '99 CVPI front brakes, '09 CVPI rear disc brakes, '00 CVPI booster&m/c + wilwood adj prop valve.

    Parted & Gone-'88 T-bird Sport, 351W swap, ported GT40 heads

  4. #4
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    Got mine from summit hedman Hustlers long tube fit very nice ceramic coated 900$
    Attached Images Attached Images

  5. #5
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    What size primaries are those? I'm quite limited with my 1 5/8" BBK shorties, but again, budget limited. I also still have to worry about getting more air in before more out.

    Good luck,
    Don
    Project 3G: Grandpa Grocery Getter-'85 Crown Vic LTD 2-door, 351W with heavily ported/polished GT40 heads, heavily ported/polished Typhoon Power Plus upper & lower intake, Comp Cams 265DEH retarded 1*, FAST EZ-EFI, HD T5, 8.8" 3.73 trac lock with extra clutches, 3G alt. swap, '99 CVPI front brakes, '09 CVPI rear disc brakes, '00 CVPI booster&m/c + wilwood adj prop valve.

    Parted & Gone-'88 T-bird Sport, 351W swap, ported GT40 heads

  6. #6
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    they are 1-5/8

  7. #7
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    How agressive is your H/C/I on that thing? $900 seems like a lot for pretty headers that will run out of steam soon.
    Project 3G: Grandpa Grocery Getter-'85 Crown Vic LTD 2-door, 351W with heavily ported/polished GT40 heads, heavily ported/polished Typhoon Power Plus upper & lower intake, Comp Cams 265DEH retarded 1*, FAST EZ-EFI, HD T5, 8.8" 3.73 trac lock with extra clutches, 3G alt. swap, '99 CVPI front brakes, '09 CVPI rear disc brakes, '00 CVPI booster&m/c + wilwood adj prop valve.

    Parted & Gone-'88 T-bird Sport, 351W swap, ported GT40 heads

  8. #8
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    Not sure on the hci?? But I am only building a car once I want to do it right and pretty the first time. In the next month or so I will have pics of the finished product. I is a lot more work then I was expecting and a lot more $$$$$

  9. #9
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    Heads, Cam, Intake?

    That's why I don't build "pretty"...it's too stinkin' expensive for me...lol.

    Good luck,
    Don
    Project 3G: Grandpa Grocery Getter-'85 Crown Vic LTD 2-door, 351W with heavily ported/polished GT40 heads, heavily ported/polished Typhoon Power Plus upper & lower intake, Comp Cams 265DEH retarded 1*, FAST EZ-EFI, HD T5, 8.8" 3.73 trac lock with extra clutches, 3G alt. swap, '99 CVPI front brakes, '09 CVPI rear disc brakes, '00 CVPI booster&m/c + wilwood adj prop valve.

    Parted & Gone-'88 T-bird Sport, 351W swap, ported GT40 heads

  10. #10
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    I see I will agree there not as pretty will see kick a$$

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