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Intakes and TB Spacers

8.9K 2.7M
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Exhausts and Downpipes

10.6K 3.1M
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Sticky Whats a good bolt on mod for the Civic SI ?
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3K
488K
 by DOHCtor
Sticky The Si 'What's My Next Mod?' thread
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4K
 by TaffetaFB6
4 Piston Racing new head program
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30
1K
 by fahnix
Great coil over for daily driving
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149
 by bfaided1984
My 2015 Civic Si simple build! Enjoy,
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24
3K
 by fahnix
Engine Swap?
5
392
 by 15WhiteSi
Recommended bolt ons to do?
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547
 by Kevlar
Hasport rear motor mount failure and other entrails....
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247
 by Kevlar
Any gains from the hondata flashpro on a stock si?
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4K
 by bfaided1984
Question about Acuity Air Intake
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332
 by AndyMac204
Acuity transmission parts
13
1K
 by K24Blue_Si
rv6 downpipe exhaust leak?
12
639
 by modrid81
Introducing my build
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22
2K
 by 9thgensifamily
Alpha series header
19
1K
 by Drummy
RNC Swap Kit
0
229
 by 12FG4Rallye
K tuned exhaust / downpipe
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396
 by 12FG4Rallye
Full Race 3" Catback Exhaust
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450
 by JoshC_FB6
Hybrid Racing Slimloc dipstick
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1K
 by eyi526
More power
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961
 by bfaided1984
DC Sports SRI
3
550
 by 727Tony
Question to RBC users
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521
 by 12FG4Rallye
Full race. Torque solution hanger
3
782
 by TenZen
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