Si Only | 9th Gen Civic Forum

Intakes and TB Spacers

8.9K 2.9M

25 d ago

8.9K

2.9M

25 d ago

Exhausts and Downpipes

10.7K 3.3M

3 d ago

10.7K

3.3M

3 d ago

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

3K

503K

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

12

5K

My FBO E85 people what spark plugs are you running?

1

49

4 Piston Racing new head program

2 3 4

73

5K

Buddy Club Shifter parts

0

255

2013 si feeling loss power

16

354

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N/A

Yonaka Exhaust?

L
lurkinn
Apr 4, 2017
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N/A

Need Help Identifying Fuel Injectors

2

275

Innovative motor mounts

13

752

Back to Stock Rear Motor Mount and VERY pleased

2

22

9K

Stock exhaust size and weight?

2

32

28K

by 9thgensifamily

K24Z7 - NA Power Potential?

16

16K

by 9thgensifamily

Anyone delete the resonator from Full Race catback?

1

360

by Blue civic si

The worst has happened, engine failure!!!! What are my options

2 3

53

2K

by Giduo

Tranny noise loudest on decel

5

447

by 9thgensifamily

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

4

914

17

12K

Acuity Instruments Fuel Rail Install

6

779

by TenZen

Great coil over for daily driving

1

515

My 2015 Civic Si simple build! Enjoy,

2

24

4K

by fahnix

5

886

Recommended bolt ons to do?

7

1K

by Kevlar

Hasport rear motor mount failure and other entrails....

1

602

by Kevlar

Any gains from the hondata flashpro on a stock si?

8

8K

Question about Acuity Air Intake

2

642

Acuity transmission parts

13

2K

rv6 downpipe exhaust leak?

12

1K

Introducing my build

2

22

2K

by 9thgensifamily

Alpha series header

19

2K

by Drummy

0

418

K tuned exhaust / downpipe

1

705

Full Race 3" Catback Exhaust

0

654

Hybrid Racing Slimloc dipstick

5

2K

by eyi526

2

1K

3

763

Question to RBC users

0

770