Exhaust and Mufflers

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  1. mike
    Sticky

    is backpressure hurting your combo?

    mike, Oct 14, 2008 ... 2
    Replies:
    38
    Views:
    21,513
    Grumpy
    Dec 28, 2020
  2. grumpyvette
    Sticky

    building custom headers

    grumpyvette, Dec 22, 2008 ... 2
    Replies:
    26
    Views:
    21,595
    chromebumpers
    Aug 2, 2020
  3. grumpyvette
    Sticky

    (X) or (H) PIPE

    grumpyvette, Apr 4, 2009 ... 2
    Replies:
    35
    Views:
    43,122
    Loves302Chevy
    Nov 18, 2016
  4. grumpyvette
    Sticky

    calculating header design

    grumpyvette, Sep 20, 2008 ... 2
    Replies:
    25
    Views:
    121,294
    87vette81big
    Jun 16, 2015
  5. grumpyvette
    Sticky

    building an exhaust system for your car

    grumpyvette, Feb 3, 2009
    Replies:
    11
    Views:
    11,946
    87vette81big
    Mar 22, 2015
  6. rlphvac
    Sticky

    headers that work with sidepipes

    rlphvac, Oct 30, 2009
    Replies:
    2
    Views:
    4,011
    grumpyvette
    Mar 2, 2011
  7. chromebumpers

    Looking For Original Dual Exhaust Look Out Back

    chromebumpers, May 10, 2021
    Replies:
    4
    Views:
    161
    chromebumpers
    May 10, 2021
  8. busterrm

    Distance Behind X Pipe?

    busterrm, Jan 7, 2021 ... 2 3
    Replies:
    51
    Views:
    474
    busterrm
    Feb 8, 2021
  9. DorianL

    Wisps Of Smoke Coming From Breather

    DorianL, Jan 27, 2021 ... 2 3
    Replies:
    52
    Views:
    428
    Loves302Chevy
    Feb 4, 2021
  10. chromebumpers

    How Does This Work?

    chromebumpers, Aug 14, 2020
    Replies:
    5
    Views:
    78
    Grumpy
    Oct 21, 2020
  11. Grumpy

    Completing Someone Elses Partly Fabricated Custom Headers

    Grumpy, Jun 9, 2020
    Replies:
    0
    Views:
    51
    Grumpy
    Jun 9, 2020
  12. Indycars

    Header Design Using Dynomation 6.03.12 With Wave Action Analysis

    Indycars, Oct 14, 2019 ... 2 3 4 5 6
    Replies:
    106
    Views:
    1,094
    Indycars
    Apr 3, 2020
  13. Grumpy

    Truck Exhaust Options

    Grumpy, Mar 21, 2020
    Replies:
    0
    Views:
    43
    Grumpy
    Mar 21, 2020
  14. Grumpy

    Exhaust Flow Vs Single/dual Exhaust

    Grumpy, Dec 11, 2019
    Replies:
    1
    Views:
    91
    Grumpy
    Dec 12, 2019
  15. hotrod coupe

    Collector Length Delema

    hotrod coupe, Dec 9, 2019
    Replies:
    1
    Views:
    52
    Grumpy
    Dec 9, 2019
  16. Indycars

    No More Exhaust Myths

    Indycars, Nov 15, 2015
    Replies:
    6
    Views:
    652
    Grumpy
    Dec 1, 2019
  17. dfarr67

    Quieter 4 In Muffler.

    dfarr67, Oct 23, 2019
    Replies:
    6
    Views:
    96
    Grumpy
    Oct 25, 2019
  18. Indycars

    Measuring Port Length

    Indycars, Oct 13, 2019
    Replies:
    7
    Views:
    105
    JohnHancock
    Oct 14, 2019
  19. busterrm

    New Set Of Custom Headers

    busterrm, Sep 1, 2019
    Replies:
    5
    Views:
    67
    Grumpy
    Sep 3, 2019
  20. Stewart Battersby

    240 Deg Timed Tri Y Headers

    Stewart Battersby, Jul 27, 2019 ... 2
    Replies:
    28
    Views:
    274
    Stewart Battersby
    Aug 18, 2019
  21. Andy Durrett

    Header Gasket Selection

    Andy Durrett, Jun 14, 2019
    Replies:
    1
    Views:
    59
    Grumpy
    Jun 14, 2019
  22. nilsp

    Exhaust X-pipe And Intake Runner Length Experiment. Bmw M3.

    nilsp, May 23, 2019
    Replies:
    19
    Views:
    161
    nilsp
    May 29, 2019
  23. Grumpy

    exhaust popping

    Grumpy, May 8, 2019
    Replies:
    1
    Views:
    82
    Maniacmechanic1
    May 8, 2019
  24. Maniacmechanic1

    Jet-Hot Polish Coating - Drastically Lower Underhood Temperatures

    Maniacmechanic1, Apr 13, 2019
    Replies:
    10
    Views:
    131
    Maniacmechanic1
    Apr 20, 2019
  25. grumpyvette

    differance between shorty and full length headers

    grumpyvette, Feb 27, 2009 ... 2
    Replies:
    28
    Views:
    8,340
    Grumpy
    Apr 9, 2019
  26. Grumpy

    removing old exhaust manifold studs/bolts rusted in place

    Grumpy, Jul 18, 2015
    Replies:
    9
    Views:
    2,627
    Maniacmechanic1
    Apr 1, 2019
  27. grumpyvette

    what KILLS O2 sensors?

    grumpyvette, Apr 10, 2010
    Replies:
    9
    Views:
    6,788
    Grumpy
    Mar 3, 2019
  28. Loves302Chevy

    No more emissions testing - hopefully coming soon to your state!

    Loves302Chevy, Feb 14, 2019
    Replies:
    1
    Views:
    84
    Grumpy
    Feb 15, 2019
  29. Mark W.

    One of a Kind TRI Y header for 134L Willys

    Mark W., Feb 6, 2019
    Replies:
    14
    Views:
    159
    Mark W.
    Feb 11, 2019
  30. grumpyvette

    Anybody Remember the Mickey Thompson Super Scavenger Headers

    grumpyvette, Jan 16, 2013 ... 2
    Replies:
    23
    Views:
    4,105
    Grumpy
    Jan 30, 2019
  31. KIRBY

    Separate Paths through One Cat?

    KIRBY, Dec 29, 2018 ... 2
    Replies:
    38
    Views:
    593
    KIRBY
    Jan 11, 2019
  32. Sean SS68

    Exhaust H-Pipe leading into a X-Pipe

    Sean SS68, Jan 9, 2019
    Replies:
    2
    Views:
    137
    Sean SS68
    Jan 9, 2019
  33. Grumpy

    California has lost their minds, now theres a $1000 ticket for...

    Grumpy, Jan 9, 2019
    Replies:
    6
    Views:
    150
    Maniacmechanic1
    Jan 9, 2019
  34. Strictly Attitude

    High Flow Quiet Exhaust

    Strictly Attitude, Aug 16, 2014 ... 2 3 4 5
    Replies:
    84
    Views:
    10,256
    Maniacmechanic1
    Jan 7, 2019
  35. NitroInjected

    Cutting up headers to make... HEADERS!

    NitroInjected, Jul 24, 2018 ... 2
    Replies:
    20
    Views:
    632
    steve16
    Dec 27, 2018
  36. KIRBY

    Exhaust On Top, 360 Degree Pairs, Quad Exhausts, One Cat-Four Paths?

    KIRBY, Dec 18, 2018
    Replies:
    4
    Views:
    265
    KIRBY
    Dec 19, 2018
  37. Indycars

    Anti-Reversion Chamber

    Indycars, Oct 26, 2018
    Replies:
    5
    Views:
    274
    Grumpy
    Oct 27, 2018
  38. NOT A TA

    Spiral mufflers anyone?

    NOT A TA, May 14, 2014
    Replies:
    6
    Views:
    2,882
    NitroInjected
    Jul 24, 2018
  39. chromebumpers

    Might as well go quiet, thoughts?

    chromebumpers, Apr 9, 2018
    Replies:
    11
    Views:
    396
    dawsonc
    Jul 3, 2018
  40. Hibbie

    Tailpipe length after muffler

    Hibbie, Mar 2, 2018
    Replies:
    3
    Views:
    379
    Maniacmechanic1
    Mar 2, 2018
  41. Grumpy

    1972 truck exhaust up-grade

    Grumpy, Dec 11, 2017
    Replies:
    0
    Views:
    313
    Grumpy
    Dec 11, 2017
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