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Intakes and TB Spacers

8.9K 2.8M
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Exhausts and Downpipes

10.6K 3.2M
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Sticky Whats a good bolt on mod for the Civic SI ?
162 163 164
3K
496K
 by DOHCtor
Sticky The Si 'What's My Next Mod?' thread
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5K
 by TaffetaFB6
4 Piston Racing new head program
2 3
54
4K
 by 15WhiteSi
The worst has happened, engine failure!!!! What are my options
2 3
43
837
 by Giduo
Anyone delete the resonator from Full Race catback?
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136
 by Droop408
Stock exhaust size and weight?
2
30
26K
 by 9thgensleeper
Tranny noise loudest on decel
5
340
 by 9thgensifamily
Rebuilding My K24Z7 Due To Oil Consumption, Here's The Plan, Any Other "While I'm In There" Mods?
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578
 by americium
Road to 300hp
17
11K
 by Si Curious
Acuity Instruments Fuel Rail Install
6
424
 by TenZen
Great coil over for daily driving
1
389
 by bfaided1984
My 2015 Civic Si simple build! Enjoy,
2
24
4K
 by fahnix
Engine Swap?
5
745
 by 15WhiteSi
Recommended bolt ons to do?
7
970
 by Kevlar
Hasport rear motor mount failure and other entrails....
1
457
 by Kevlar
Any gains from the hondata flashpro on a stock si?
8
6K
 by bfaided1984
Question about Acuity Air Intake
2
497
 by AndyMac204
Acuity transmission parts
13
2K
 by K24Blue_Si
rv6 downpipe exhaust leak?
12
877
 by modrid81
Introducing my build
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22
2K
 by 9thgensifamily
Alpha series header
19
1K
 by Drummy
RNC Swap Kit
0
335
 by 12FG4Rallye
K tuned exhaust / downpipe
1
545
 by 12FG4Rallye
Full Race 3" Catback Exhaust
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548
 by JoshC_FB6
Hybrid Racing Slimloc dipstick
5
1K
 by eyi526
More power
2
1K
 by bfaided1984
DC Sports SRI
3
648
 by 727Tony
Question to RBC users
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666
 by 12FG4Rallye
Full race. Torque solution hanger
3
878
 by TenZen
06-10 RBC INTAKE MANIFOLD INTO '12 SI Write Up.
58 59 60
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204K
 by Daver
SiriMoto N1 Clutch Master / Slave Cylinder Upgrade Kit
7
3K
 by procivic
E85 Flex Fuel Parts
5
3K
 by Chambers805
Back to Stock Rear Motor Mount and VERY pleased
19
8K
 by RedRocket
2013 si - ticking noise from dash on
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668
 by goatbrah
FP Knock Counts
7
1K
 by BWill9886
What reflash to use?
2
846
 by kevvo21
oil pan 2012 Honda Civic Si
4
972
 by DOHCtor
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