Bolt-Ons And All Motor

Getting Started On - Intakes, Exhausts, & Headers. All Motor Posts Go Here.

Intakes & TB Spacers

Aftermarket Intakes & Throttle Body Spacers
Threads
147
Messages
2.9K
Threads
147
Messages
2.9K
sunofwolf
K&N cold air intake

Exhaust & Downpipes

Discussion For Exhausts & Aftermarket Downpipes
Threads
289
Messages
5.4K
Threads
289
Messages
5.4K
squiggy
Anyone running Injen cat back?
procivic
CT Engineering Needs A 4dr SI For Testing In Cali
Replies
19
Views
2K
procivic
procivic
PR k24
What 8th Gen parts Fit the 9 Gen?
Replies
2
Views
2K
PR k24
PR k24
mark magnaan
mugen products
Replies
13
Views
2K
WhiteFG4
WhiteFG4
I
Keepin it N/A
Replies
8
Views
6K
5SK
5SK
D
Skunk2 throttle body for TSX k24
Replies
19
Views
10K
DumpTruckJake
D
spdandpwr
Part Number for the Intake Manifold Cover
Replies
4
Views
779
spdandpwr
spdandpwr
Schaef
Upgrading an EX Sedan
Replies
10
Views
21K
webby
webby
wesellcarparts
New Part Release: HPS Radiator Hose Kits - SI and Non SI
Replies
11
Views
2K
wesellcarparts
wesellcarparts
12civic5speed
where or how can i make my 12 r18 valve cover look like this
Replies
8
Views
5K
12civic5speed
12civic5speed
bigbossin
hks hi power
Replies
2
Views
1K
bigbossin
bigbossin
Arm0ged0n
Dyno Results: 2012 Civic Si Injen Cold Air Intake Dyno Before/After
2 3
Replies
49
Views
25K
webby
webby
H
Source for information on how to build high performance engines.
Replies
2
Views
1K
Winnn420
Winnn420
Royce
High Altitude Base Line For 2012 Civic Si Sedan
Replies
16
Views
2K
webby
webby
H
New update
Replies
2
Views
824
MrsJrotax101
MrsJrotax101
Shalin
What's better??
Replies
6
Views
1K
webby
webby
Stoe
Intake mainfold
Replies
1
Views
1K
webby
webby
Stoe
Upgrade effecting warrenty?
Replies
10
Views
1K
Stoe
Stoe
M
Will 2011 si hfp exhaust fit 2012 si?
Replies
2
Views
2K
wanga
wanga
Michael Hogains
after market exhaust
2
Replies
28
Views
55K
JaydiemTRAN
JaydiemTRAN
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