Performance
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Forum: Performance

If you have a DIY, please post it in the general forum below. PM a mod, and we can move it into this DIY area if it's approved. Thank you.

  1.   Sticky Threads  

  2. Sticky Thread Sticky: DIY: RBC Swap into 9th Gen (Write up)

    Started by xxxxxxxxxprivman, 01-07-2013 08:04 AM
    15 Pages
    1 2 3 ... 15
    • Replies: 146
    • Views: 67,330
    10-02-2018, 08:39 PM Go to last post
  3. Sticky Thread Sticky: DIY: Install RV6 2012+ Civic Si Bellmouth Downpipe

    Started by Arm0ged0n, 10-31-2012 11:31 PM
    9 Pages
    1 2 3 ... 9
    • Replies: 87
    • Views: 59,827
    06-17-2018, 10:09 PM Go to last post
  4. Sticky Thread Sticky: Cold air intake DIY for Si.

    Started by N8vSi, 02-15-2013 08:39 AM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 19,445
    06-17-2018, 08:36 AM Go to last post
  5. Sticky Thread Sticky: DIY: Resonator Delete (Si Sedan)

    Started by Smokeditty, 06-10-2012 08:39 AM
    14 Pages
    1 2 3 ... 14
    • Replies: 131
    • Views: 87,352
    02-09-2018, 11:14 PM Go to last post
  6. Sticky Thread Sticky: DIY: Injen Axle Back Exhaust for 9th Gen Civic SI FB6/FG4 (w/ Sound Clips!)

    Started by FluffySI, 10-09-2017 02:17 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 2,956
    02-06-2018, 08:38 PM Go to last post
  7. Sticky Thread Sticky: DIY 2012+ Civic Si Hasport Rear Motor Mount Installation

    Started by dracslayer, 01-04-2014 09:36 PM
    8 Pages
    1 2 3 ... 8
    • Replies: 77
    • Views: 47,817
    10-02-2017, 12:10 AM Go to last post
  8. Sticky Thread Sticky: DIY: ECU Removal for Hondata Reflash Service

    Started by bamathrasher, 03-01-2012 10:53 AM
    3 Pages
    1 2 3
    diy, ecu, hondata, reflash, removal, service
    • Replies: 23
    • Views: 19,205
    09-20-2015, 10:55 AM Go to last post
  9. Sticky Thread Sticky: DIY: 2012+ Si P2R Throttle Body Spacer

    Started by bluestar, 03-06-2012 12:07 AM
    9 Pages
    1 2 3 ... 9
    2012, body, diy, p2r, spacer, throttle
    • Replies: 81
    • Views: 50,763
    01-30-2015, 10:25 AM Go to last post
  10. Sticky Thread Sticky: Deatschwerks Fuel Pump install tutorial

    Started by PRL Motorsports, 11-02-2012 10:08 AM
    deatschwerks, fuel, install, pump, tutorial
    • Replies: 8
    • Views: 6,661
    02-15-2014, 09:29 PM Go to last post
  11. Sticky Thread Sticky: DIY P2R 1.8L Throttle Body Spacer Install

    Started by Talon, 07-28-2011 01:05 PM
    4 Pages
    1 2 3 ... 4
    18l, body, diy, install, p2r, spacer, throttle
    • Replies: 32
    • Views: 24,751
    12-19-2013, 03:15 PM Go to last post
  12. Sticky Thread Sticky: DIY S2CarbonWorks R18 Stainless Heat Shield

    Started by creation, 12-02-2011 08:08 PM
    3 Pages
    1 2 3
    • Replies: 26
    • Views: 17,731
    03-14-2013, 08:57 PM Go to last post
  13.   Normal Threads  

  1. Turbo tips needed!

    Started by 9thgensifamily, 07-18-2018 10:38 AM
    • Replies: 1
    • Views: 282
    01-29-2019, 06:16 AM Go to last post
  2. Ecu Question?

    Started by Alexs.fb2, 10-10-2018 12:23 PM
    • Replies: 0
    • Views: 193
    10-10-2018, 12:23 PM Go to last post
    • Replies: 6
    • Views: 2,997
    07-25-2018, 08:22 AM Go to last post
  3. What is this on bottom of R18A fuel rail?

    Started by charosenz, 10-16-2017 11:09 PM
    • Replies: 5
    • Views: 403
    03-13-2018, 02:33 PM Go to last post
  4. DIY: Ram Air Intake for ~$30

    Started by gnuel, 07-24-2017 12:41 PM
    • Replies: 3
    • Views: 1,973
    08-25-2017, 07:30 PM Go to last post
    • Replies: 4
    • Views: 689
    06-13-2017, 09:20 AM Go to last post
    • Replies: 3
    • Views: 3,083
    05-15-2017, 10:38 AM Go to last post
    • Replies: 12
    • Views: 5,623
    04-11-2017, 09:23 PM Go to last post
  5. Exclamation Dashlights after Skunk2 CAI Install on 2015

    Started by Deokie, 02-25-2017 02:47 PM
    • Replies: 3
    • Views: 427
    02-25-2017, 06:32 PM Go to last post
  6. Big Bore Throttle Body - Calibration Tips

    Started by procivic, 02-03-2017 02:03 PM
    • Replies: 3
    • Views: 1,906
    02-06-2017, 11:57 AM Go to last post
  7. HPS silicone tube and K&N install

    Started by dfanatic86, 01-28-2017 08:09 AM
    • Replies: 2
    • Views: 994
    01-29-2017, 09:31 AM Go to last post
  8. A sort of DIY fpr quick cheap reliable power

    Started by EffBee6fromthe209, 01-30-2013 01:29 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 32
    • Views: 24,023
    12-25-2016, 11:20 AM Go to last post
  9. carb legal performance mods: 2014 civic si sedan

    Started by sistocker, 05-26-2014 11:31 PM
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 9,925
    12-23-2016, 11:24 AM Go to last post
  10. DIY: Make your OEM motor mounts stiffer!

    Started by Hyudryu, 11-14-2016 10:36 PM
    • Replies: 3
    • Views: 2,697
    11-16-2016, 09:35 PM Go to last post
    • Replies: 0
    • Views: 1,068
    10-22-2016, 07:01 PM Go to last post
  11. DIY 2012+ Civic Si Torque Damper Injections

    Started by JDMisland, 01-09-2016 11:40 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 45
    • Views: 5,976
    09-22-2016, 11:56 AM Go to last post
  12. Looking for better sound without intake.... help

    Started by mkimmey1, 02-01-2015 09:15 AM
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 5,240
    09-14-2016, 10:48 AM Go to last post
    • Replies: 7
    • Views: 1,612
    09-14-2016, 12:08 AM Go to last post
  13. Lightbulb PRL Turbo Kit install advice ?

    Started by 2012civicSiTJ, 04-06-2016 07:20 PM
    • Replies: 8
    • Views: 4,120
    05-27-2016, 04:05 PM Go to last post
  14. E85 conversion

    Started by TheJDexperience, 03-13-2016 06:49 PM
    • Replies: 5
    • Views: 5,240
    04-29-2016, 06:35 PM Go to last post

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