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

Wunderladen Coolant Expansion Tank | 16-21 Civic

Wunderladen Coolant Expansion Tank | 16-21 Civic

Vendor:
Wunderladen Racing

No reviews

Regular price $500.00 USD

Regular price ~~$500.00 USD~~ Sale price $500.00 USD
Unit price per
aFe Takeda Cold Air Intake | 17-20 Civic Si

Sale

aFe Takeda Cold Air Intake | 17-20 Civic Si

Vendor:
AFE

No reviews

Regular price $379.00 USD

Regular price ~~$473.75 USD~~ Sale price $379.00 USD
Unit price per

Sale
OLM V1 Rear Roof Spoiler | 16-21 Civic Sedan, Si Sedan

OLM V1 Rear Roof Spoiler | 16-21 Civic Sedan, Si Sedan

Vendor:
OLM

No reviews

Regular price $149.00 USD

Regular price ~~$0.00 USD~~ Sale price $149.00 USD
Unit price per
OLM Carbon-wrapped Hood Strut Kit | 16-21 Civic

OLM Carbon-wrapped Hood Strut Kit | 16-21 Civic

Vendor:
OLM

No reviews

Regular price $198.00 USD

Regular price ~~$0.00 USD~~ Sale price $198.00 USD
Unit price per
OLM Carbon Fiber Shifter Panel | 16-21 Civic Manual (non-Type R)

OLM Carbon Fiber Shifter Panel | 16-21 Civic Manual (non-Type R)

Vendor:
OLM

No reviews

Regular price $99.00 USD

Regular price ~~$0.00 USD~~ Sale price $99.00 USD
Unit price per
OLM Carbon Fiber Mirror Covers | 16-21 Civic

OLM Carbon Fiber Mirror Covers | 16-21 Civic

Vendor:
OLM

No reviews

Regular price $135.00 USD

Regular price ~~$0.00 USD~~ Sale price $135.00 USD
Unit price per
OLM Carbon Fiber Dash Panel | 16-21 Civic

OLM Carbon Fiber Dash Panel | 16-21 Civic

Vendor:
OLM

No reviews

Regular price $119.00 USD

Regular price ~~$0.00 USD~~ Sale price $119.00 USD
Unit price per
OLM Carbon Fiber Door Trim Covers | 16-21 Civic

OLM Carbon Fiber Door Trim Covers | 16-21 Civic

Vendor:
OLM

No reviews

Regular price $274.99 USD

Regular price ~~$0.00 USD~~ Sale price $274.99 USD
Unit price per
COBB Accessport | 17-20 Honda Civic Si

Sale

COBB Accessport | 17-20 Honda Civic Si

Vendor:
COBB

No reviews

Regular price $607.50 USD

Regular price ~~$675.00 USD~~ Sale price $607.50 USD
Unit price per

Sale
OLM Carbon Fiber Climate Control Vent Cover | 16-21 Civic

OLM Carbon Fiber Climate Control Vent Cover | 16-21 Civic

Vendor:
OLM

No reviews

Regular price $149.99 USD

Regular price ~~$0.00 USD~~ Sale price $149.99 USD
Unit price per
OLM Gamma Series RGB Headlights | 16-21 Civic

OLM Gamma Series RGB Headlights | 16-21 Civic

Vendor:
OLM

No reviews

Regular price $649.00 USD

Regular price ~~$0.00 USD~~ Sale price $649.00 USD
Unit price per
Fortune Auto 500 Coilover Kit (Hyperco Springs) | 17 - 20 Civic Si

Sale

Fortune Auto 500 Coilover Kit (Hyperco Springs) | 17 - 20 Civic Si

Vendor:
Fortune Auto

No reviews

Regular price $2,199.00 USD

Regular price ~~$2,249.00 USD~~ Sale price $2,199.00 USD
Unit price per

Sale
Fortune Auto 500 Coilover Kit (Swift Springs) | 17 - 20 Civic Si

Sale

Fortune Auto 500 Coilover Kit (Swift Springs) | 17 - 20 Civic Si

Vendor:
Fortune Auto

No reviews

Regular price $2,199.00 USD

Regular price ~~$2,249.00 USD~~ Sale price $2,199.00 USD
Unit price per

Sale
Fortune Auto 500 Coilover Kit (Default Springs) | 17 - 20 Civic Si

Sale

Fortune Auto 500 Coilover Kit (Default Springs) | 17 - 20 Civic Si

Vendor:
Fortune Auto

No reviews

Regular price $1,799.00 USD

Regular price ~~$1,849.00 USD~~ Sale price $1,799.00 USD
Unit price per

Sale
Enkei TS-5 Wheels | 16-22+ Civic, 23+ Integra A-Spec

Sale

Enkei TS-5 Wheels | 16-22+ Civic, 23+ Integra A-Spec

Vendor:
Enkei Wheels

No reviews

Regular price From $260.00 USD

Regular price ~~$342.90 USD~~ Sale price From $260.00 USD
Unit price per

Sale
Skunk2 Ultra Street Intake Manifold | 16-21 Civic 1.5T & Si

Sale

Skunk2 Ultra Street Intake Manifold | 16-21 Civic 1.5T & Si

Vendor:
Skunk2

No reviews

Regular price $399.99 USD

Regular price ~~$419.99 USD~~ Sale price $399.99 USD
Unit price per

Sale

1
…
18
19
20
21
22
…
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.