Si Only | 9th Gen Civic Forum

Intakes and TB Spacers

9.2K

3.5M

2 d ago

9.2K

3.5M

2 d ago

Exhausts and Downpipes

11.4K

4.2M

13 d ago

11.4K

4.2M

13 d ago

Sticky Whats a good bolt on mod for the Civic SI ?

3K

557K

Sticky The Si 'What's My Next Mod?' thread

12

8K

Looking For 14-15 Si coupe rear end parts

Gh0st
7 d ago
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4

226

by kev604

What do I need to swap in type s oil pump

13

5K

Clutch Suggestions?

15

4K

6

324

What oil to use in ‘12 Si?

dawgvet
3 mo ago
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1

282

K24Z7 - NA Power Potential?

16

31K

0

206

1

414

by Pandagiancarlo

Jack Spania racing intake manifold?

11

5K

Rebuilding My K24Z7 Due To Oil Consumption, Here's The Plan, Any Other "While I'm In There" Mods?

9

5K

by Teeps

Loss communication

1

256

1000cc injector with rbc need a base map help plz

11

486

by Twhite

Ok RBC I UNDERSTAND, BUT WAT BOUT 2005 ACCORD INTAKE MANIFOLD???

6

9K

by fkx

Stage 3 action clutch - misfire code

2

534

by fb6ben

front and back bumper replacements options other than OEM? FG4

1

487

by kev604

2

912

by kev604

Skunk2 valve cover hardware fitment issue

0

593

2012 si having battery light issues, traction control issues speed sensor malfunctioning

7

811

by Kseries tice

9th gen Civic Si Hasport motor mounts w/ battery relocation kit

1

646

by TenZen

Anyone tried the new Hybrid Racing shifter!🤯

17

6K

ABS Control Modulator

1

510

by kev604

4

2K

Battery Relocation

12

5K

3

800

engine drain plug

6

1K

by TenZen

0

485

Final drive swap

8

1K

Oem clutch holding capacity?

1

701

by eyi526

2014 civic si clutch slipping-45k miles stock

9

1K

by Big Banton Bey

Previous Owner's Modifications

12

2K

by EffBee6fromthe209

Any gains from the hondata flashpro on a stock si?

10

22K

by Teeps

Question about race batteries

0

766

4 Piston Racing new head program

8 9 10

191

29K