Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Your cart

Loading...

Order special instructions

Order special instructions

Subtotal

$0.00 USD

Taxes and shipping calculated at checkout

We do not show live inventory. Please contact us to confirm stock.

Active Promotions

Home
About
Contact
Reviews
Products
Promotions

Facebook
Instagram
YouTube

Search

Home
About
Contact
Reviews
Products
Promotions

Search

Collection: 2017 - 20 Civic Si

Note: Products are sorted by Best Selling. You can change to by Alphabetical, Price, Brand, or Product Type.

Sort by:

383 products

Filter:

Product type (0)

Product type

Braking (42 products)
Chassis Bracing (13 products)
Decals (10 products)
Electronics (11 products)
Engine (87 products)
Exhaust Systems (24 products)
Exterior (21 products)
Interior (46 products)
Lighting (8 products)
Merchandise (1 product)
Suspension (56 products)
Tires (13 products)
Transmission (25 products)
Wheel Accessories (8 products)
Wheels (15 products)

Braking (42 products)
Chassis Bracing (13 products)
Decals (10 products)
Electronics (11 products)
Engine (87 products)
Exhaust Systems (24 products)
Exterior (21 products)
Interior (46 products)
Lighting (8 products)
Merchandise (1 product)
Suspension (56 products)
Tires (13 products)
Transmission (25 products)
Wheel Accessories (8 products)
Wheels (15 products)

Brand (0)

Brand

Price

The highest price is $5,099.99

$

From

To

Sort by:

Filter and sort Filter

Filter and sort

Filter

383 products

Product type

Braking (42 products)
Chassis Bracing (13 products)
Decals (10 products)
Electronics (11 products)
Engine (87 products)
Exhaust Systems (24 products)
Exterior (21 products)
Interior (46 products)
Lighting (8 products)
Merchandise (1 products)
Suspension (56 products)
Tires (13 products)
Transmission (25 products)
Wheel Accessories (8 products)
Wheels (15 products)

Clear

Brand

Clear

Price

The highest price is $5,099.99

$

From

$

To

Clear

Sort by:

Remove all

383 products

Unity Performance Sequential LED Side Mirror Turn Signal | 16-21 Civic

Sale

Unity Performance Sequential LED Side Mirror Turn Signal | 16-21 Civic

Vendor:
Unity Performance

1 review

1 total reviews

Regular price $55.00 USD

Regular price ~~$95.00 USD~~ Sale price $55.00 USD
Unit price per

Sale
Jets Vinyl Side Marker Tint | 16-21 Civic

Jets Vinyl Side Marker Tint | 16-21 Civic

Vendor:
Jets Vinyl

1 review

1 total reviews

Regular price From $22.00 USD

Regular price Sale price From $22.00 USD
Unit price per
HIC USA Side Visor / Spoiler Kit | 16-21 Civic Sedan

Sold out

HIC USA Side Visor / Spoiler Kit | 16-21 Civic Sedan

Vendor:
H.I.C. USA

2 reviews

2 total reviews

Regular price $99.95 USD

Regular price Sale price $99.95 USD
Unit price per

Sold out
Jets Vinyl Push Button Start Tint | 16-22+ Civic, 23+ Integra

Jets Vinyl Push Button Start Tint | 16-22+ Civic, 23+ Integra

Vendor:
Jets Vinyl

1 review

1 total reviews

Regular price From $5.00 USD

Regular price Sale price From $5.00 USD
Unit price per
27WON Strut Bar | 16-21 Civic

27WON Strut Bar | 16-21 Civic

Vendor:
27WON

Regular price From $292.71 USD

Regular price ~~$292.71 USD~~ Sale price From $292.71 USD
Unit price per
EBC Redstuff Front Brake Pads | 17-20 Civic Si

Sale

EBC Redstuff Front Brake Pads | 17-20 Civic Si

Vendor:
EBC

Regular price $145.44 USD

Regular price ~~$147.42 USD~~ Sale price $145.44 USD
Unit price per

Sale
Ultra Racing Front Power Brace | 16-21 Civic (Turbo-models)

Ultra Racing Front Power Brace | 16-21 Civic (Turbo-models)

Vendor:
Ultra Racing

6 reviews

6 total reviews

Regular price $230.00 USD

Regular price ~~$230.00 USD~~ Sale price $230.00 USD
Unit price per
Dream Automotive "Teardrop" Shift Knob | 16-22+ Civic, 18-22 Accord, 23+ Integra

Dream Automotive "Teardrop" Shift Knob | 16-22+ Civic, 18-22 Accord, 23+ Integra

Vendor:
Dream Automotive

5 reviews

5 total reviews

Regular price $100.00 USD

Regular price Sale price $100.00 USD
Unit price per
Acuity ESCO-T6 Insulated Shift Knob | 16-22+ Civic, 18-22 Accord, 23+ Integra

Acuity ESCO-T6 Insulated Shift Knob | 16-22+ Civic, 18-22 Accord, 23+ Integra

Vendor:
Acuity Instruments

5 reviews

5 total reviews

Regular price $139.00 USD

Regular price ~~$139.00 USD~~ Sale price $139.00 USD
Unit price per
PRL 4.00" Inlet Oiled Cone Filter (Short) | 16-22+ Civic 1.5T & Si, 23+ Integra

PRL 4.00" Inlet Oiled Cone Filter (Short) | 16-22+ Civic 1.5T & Si, 23+ Integra

Vendor:
PRL Motorsports

1 review

1 total reviews

Regular price $55.99 USD

Regular price ~~$55.99 USD~~ Sale price $55.99 USD
Unit price per
TuxMat Interior Mats | 16-21 Civic Sedan, Hatch

TuxMat Interior Mats | 16-21 Civic Sedan, Hatch

Vendor:
TuxMat

1 review

1 total reviews

Regular price From $115.00 USD

Regular price Sale price From $115.00 USD
Unit price per
Ultra Racing Rear Torsion Bar | 16-22+ Civic, 23+ Integra

Ultra Racing Rear Torsion Bar | 16-22+ Civic, 23+ Integra

Vendor:
Ultra Racing

5 reviews

5 total reviews

Regular price $254.00 USD

Regular price ~~$254.00 USD~~ Sale price $254.00 USD
Unit price per
Ultra Racing Trunk Strut Brace | 16-21 Civic Sedan, Si Sedan

Ultra Racing Trunk Strut Brace | 16-21 Civic Sedan, Si Sedan

Vendor:
Ultra Racing

4 reviews

4 total reviews

Regular price $435.00 USD

Regular price ~~$435.00 USD~~ Sale price $435.00 USD
Unit price per
Competition Clutch Stage 2 Kit (22lbs Flywheel) | 16-22+ Civic 1.5T & Si, 23+ Integra A-Spec

Sale

Competition Clutch Stage 2 Kit (22lbs Flywheel) | 16-22+ Civic 1.5T & Si, 23+ Integra A-Spec

Vendor:
Competition Clutch

1 review

1 total reviews

Regular price From $935.99 USD

Regular price ~~$1,299.99 USD~~ Sale price From $935.99 USD
Unit price per

Sale
ARP (TSP) Head Stud Kit | 22+ Civic 1.5T & Si, 23+ Integra A-Spec

ARP (TSP) Head Stud Kit | 22+ Civic 1.5T & Si, 23+ Integra A-Spec

Vendor:
Two Step Performance

3 reviews

3 total reviews

Regular price $349.99 USD

Regular price Sale price $349.99 USD
Unit price per
Mishimoto Oil Catch Can Kit | 16-21 Civic 1.5T & Si

Sale

Mishimoto Oil Catch Can Kit | 16-21 Civic 1.5T & Si

Vendor:
Mishimoto

Regular price $205.95 USD

Regular price ~~$293.52 USD~~ Sale price $205.95 USD
Unit price per

Sale

1
…
3
4
5
6
7
…
24

Installation Videos
Blog
Contact

Terms of Service
Shipping
Disclaimer

Unity Performance is not affiliated with any automobile manufacturers. Manufacturer names and/or part numbers are used only for identification purposes.

Facebook
Instagram
YouTube

Country/region

Country/region

Payment methods

© 2025, Unity Performance Powered by Shopify

Choosing a selection results in a full page refresh.
Opens in a new window.