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Home » 10th Gen Civic Si (2017–2021) Performance Parts

10th Gen Civic Si (2017–2021) Performance Parts

Performance parts and upgrades for the 2017–2021 Honda Civic Si platform. Shop intake systems, exhaust upgrades, intercoolers, suspension kits, wheels, brakes, and tuning accessories.

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55 Products

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HKS

HKS RS FK7 CIVIC L15C/L15B

In stock

Regular price $506.00
Borla

Borla 2019 Silv/Sierra C/B Exh S-Type 1500 5.3L V8 AT 2&4...

Pre-Order

Regular price $1,016.99
Tein

Tein 2017+ Honda Civic 5DR Hatchback (FK7) Street Basis Z...

In stock

Regular price $788.50
Borla

Borla 2019 Silv/Sierra C/B Exh S-Type 1500 5.3L V8 2DR RE...

Pre-Order

Regular price $1,053.99
RS-R

RS-R 2016-2021 Honda Civic Coupe (FC3) / Sedan (FC1) Down...

Out of stock

Regular price $279.00
RS-R

RS-R 2016-2021 Honda Civic (FK7) Down Sus Springs

Only 1 left

Regular price $279.00
Extang

Extang 14-18 Chevy/GMC Silverado/Sierra & 2019 Sierra 150...

Only 1 left

Regular price $1,399.99